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[ CAS No. 476620-54-9 ] {[proInfo.proName]}

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Cat. No.: {[proInfo.prAm]}

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3d Animation Molecule Structure of 476620-54-9

Chemical Structure| 476620-54-9

Chemical Structure| 476620-54-9

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Quality Control of [ 476620-54-9 ]

COA NMR CNMR HPLC LC-MS

Related Doc. of [ 476620-54-9 ]

SDS Specification

Alternatived Products of [ 476620-54-9 ]

Product Details of [ 476620-54-9 ]

CAS No. :	476620-54-9	MDL No. :	MFCD16659662
Formula :	C₇H₃BrF₂O	Boiling Point :	-
Linear Structure Formula :	-	InChI Key :	ZHSZEWFWVDLMDL-UHFFFAOYSA-N
M.W :	221.00	Pubchem ID :	21867425
Synonyms :

Calculated chemistry of [ 476620-54-9 ]

Physicochemical Properties

Num. heavy atoms :	11
Num. arom. heavy atoms :	6
Fraction Csp3 :	0.0
Num. rotatable bonds :	1
Num. H-bond acceptors :	3.0
Num. H-bond donors :	0.0
Molar Refractivity :	39.45
TPSA :	17.07 Å²

Pharmacokinetics

GI absorption :	High
BBB permeant :	Yes
P-gp substrate :	No
CYP1A2 inhibitor :	Yes
CYP2C19 inhibitor :	No
CYP2C9 inhibitor :	No
CYP2D6 inhibitor :	No
CYP3A4 inhibitor :	No
Log Kp (skin permeation) :	-6.03 cm/s

Lipophilicity

Log Po/w (iLOGP) :	1.74
Log Po/w (XLOGP3) :	2.28
Log Po/w (WLOGP) :	3.38
Log Po/w (MLOGP) :	3.05
Log Po/w (SILICOS-IT) :	3.5
Consensus Log Po/w :	2.79

Druglikeness

Lipinski :	0.0
Ghose :	None
Veber :	0.0
Egan :	0.0
Muegge :	1.0
Bioavailability Score :	0.55

Water Solubility

Log S (ESOL) :	-2.98
Solubility :	0.229 mg/ml ; 0.00104 mol/l
Class :	Soluble
Log S (Ali) :	-2.28
Solubility :	1.17 mg/ml ; 0.0053 mol/l
Class :	Soluble
Log S (SILICOS-IT) :	-3.76
Solubility :	0.0381 mg/ml ; 0.000172 mol/l
Class :	Soluble

Medicinal Chemistry

PAINS :	0.0 alert
Brenk :	2.0 alert
Leadlikeness :	1.0
Synthetic accessibility :	1.42

Safety of [ 476620-54-9 ]

Signal Word:	Warning	Class:	N/A
Precautionary Statements:	P261-P305+P351+P338	UN#:	N/A
Hazard Statements:	H315-H319-H335	Packing Group:	N/A
GHS Pictogram:

Application In Synthesis of [ 476620-54-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

Upstream synthesis route of [ 476620-54-9 ]
Downstream synthetic route of [ 476620-54-9 ]

[ 476620-54-9 ] Synthesis Path-Upstream 1~3

1
[ 476620-55-0 ]
[ 476620-54-9 ]

Yield	Reaction Conditions	Operation in experiment
39%	With sulfur trioxide pyridine complex; dimethyl sulfoxide; triethylamine In dichloromethane at 0℃;	A solution of (2-bromo-4,5-difluoro-phenyl)-methanol (1.23 g, 5.50 mmol), triethylamine (1.39 g, 13.75 mmol) and dimethyl sulfoxide (1.72 g, 22.00 mmol) in dichloromethane (25 ml_) was cooled to 0 °C. Then, sulfur trioxide-pyridine (1.32 g, 8.25 mmol) was added portionwise. After one hour stirring at 0 °C, a second batch of triethylamine (1.39 g, 13.75 mmol), dimethyl sulfoxide (1.72 g, 22.00 mmol) and sulfur trioxide-pyridine (1.32 g, 8.25 mmol) were added to the above reaction mixture. After another 30 minutes at 0 °C, the reaction solution was diluted with dichloromethane (50 ml_), and then washed with saturated sodium bicarbonate and saturated sodium thiosulfate. The organic phase was dried over sodium sulfate, filtered, and concentrated in vacuo. Flash chromatography (RediSep^.(R). Flash column, 230-400 mesh, 10-30percent ethyl acetate in hexane) afforded 2-bromo-4,5-difluoro- benzaldehyde (0.47 g, 39percent). ¹H NMR (300 MHz, CDCI₃) δ 10.23 (s, 1 H), 7.77 (m, 1 H), 7.52 (m, 1 H).

Reference： [1] Patent: WO2010/55005, 2010, A1, . Location in patent: Page/Page column 70-71
[2] Patent: WO2011/20193, 2011, A1, . Location in patent: Page/Page column 18-19
[3] Patent: WO2011/57382, 2011, A1, . Location in patent: Page/Page column 21
[4] Bioorganic and Medicinal Chemistry Letters, 2012, vol. 22, # 5, p. 1953 - 1957

2
[ 64695-78-9 ]
[ 68-12-2 ]
[ 476620-54-9 ]

Reference： [1] European Journal of Organic Chemistry, 2017, vol. 2017, # 4, p. 818 - 826

3
[ 64695-84-7 ]
[ 476620-54-9 ]

Reference： [1] Patent: WO2011/20193, 2011, A1,
[2] Patent: WO2011/57382, 2011, A1,
[3] Bioorganic and Medicinal Chemistry Letters, 2012, vol. 22, # 5, p. 1953 - 1957

[ 476620-54-9 ] Synthesis Path-Downstream 1~59

1
[ 476620-55-0 ]
[ 476620-54-9 ]

Yield	Reaction Conditions	Operation in experiment
39%	With sulfur trioxide pyridine complex; dimethyl sulfoxide; triethylamine; In dichloromethane; at 0℃;	A solution of (2-bromo-4,5-difluoro-phenyl)-methanol (1.23 g, 5.50 mmol), triethylamine (1.39 g, 13.75 mmol) and dimethyl sulfoxide (1.72 g, 22.00 mmol) in dichloromethane (25 ml_) was cooled to 0 C. Then, sulfur trioxide-pyridine (1.32 g, 8.25 mmol) was added portionwise. After one hour stirring at 0 C, a second batch of triethylamine (1.39 g, 13.75 mmol), dimethyl sulfoxide (1.72 g, 22.00 mmol) and sulfur trioxide-pyridine (1.32 g, 8.25 mmol) were added to the above reaction mixture. After another 30 minutes at 0 C, the reaction solution was diluted with dichloromethane (50 ml_), and then washed with saturated sodium bicarbonate and saturated sodium thiosulfate. The organic phase was dried over sodium sulfate, filtered, and concentrated in vacuo. Flash chromatography (RediSep Flash column, 230-400 mesh, 10-30% ethyl acetate in hexane) afforded 2-bromo-4,5-difluoro- benzaldehyde (0.47 g, 39%). 1H NMR (300 MHz, CDCI3) delta 10.23 (s, 1 H), 7.77 (m, 1 H), 7.52 (m, 1 H).
	With sodium hydrogencarbonate; Dess-Martin periodane; In dichloromethane; at 20℃; for 2h;	To a dichloromethane suspension (0.2 M) of (2-bromo-4,5-difluorophenyl)methanol (1 eq., Intermediate 1, Step 1) and sodium bicarbonate (1.5 eq.) was added DMP (1.2 eq.) in one rapid portion. The resulting suspension was stirred at RT for 2 h before it was diluted with ether and washed sequentially with 5% aq. NaHSO3, 1 N aq. NaOH, water and brine. The organic extract was then dried over Na2SO4, filtered through a pad of SiO2 and the filtrate concentrated in vacuo. Purification of the crude product thus obtained by way of column chromatography (SiO2, Hex -^ 1 : 1 (v/v) Hex: EtOAc)
	With sodium hydrogencarbonate; Dess-Martin periodane; In dichloromethane; at 20℃; for 2h;	To a dichloromethane suspension (0.2 M) of (2-bromo-4,5- difluorophenyl)methanol (1 eq.) from the previous step and sodium bicarbonate (1.5 eq.) was added DMP (1.2 eq.) in one rapid portion. The resulting suspension was stirred at RT for 2 h before it was diluted with ether and washed sequentially with 5% aq. NaHS03, 1 N aq. NaOH, water and brine. The organic extract was then dried over Na2S04, filtered through a pad of Si02 and the filtrate concentrated in vacuo. Purification of the crude product thus obtained by way of column chromatography (Si02, Hex - 1 : 1 (v/v) Hex: EtOAc) afforded the title compound as a white solid.

Reference： [1]Patent: WO2010/55005,2010,A1 .Location in patent: Page/Page column 70-71
[2]Patent: WO2011/20193,2011,A1 .Location in patent: Page/Page column 18-19
[3]Patent: WO2011/57382,2011,A1 .Location in patent: Page/Page column 21
[4]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

2
[ 64695-84-7 ]
[ 476620-54-9 ]

Reference： [1]Patent: WO2011/20193,2011,A1
[2]Patent: WO2011/57382,2011,A1
[3]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

3
[ 476620-54-9 ]
[ 504-63-2 ]
[ 1266728-05-5 ]

Yield	Reaction Conditions	Operation in experiment
	With toluene-4-sulfonic acid; In benzene; for 20h;Heating; Reflux;	To a reaction vessel containing a benzene solution (0.14 M) of 2-bromo-4,5- difluorobenzaldehyde (1 eq.) from the previous step, 1,3-propanediol (1 eq.) and TsOH (0.05 eq.) was attached a Dean-Stark apparatus. The reaction mixture was then heated at reflux. After 20 h the reaction mixture was cooled to RT, diluted with hexanes and ether, and washed sequentially with 1 N aq. NaOH, water and brine. The organic extract was then dried over Na2SO4, filtered through a pad of SiO2 and the filtrate concentrated in vacuo. Purification of the crude product thus obtained by way of column chromatography (SiO2, Hex -> 3:1 (v/v) Hex: EtOAc) afforded the title compound as a colorless oil that solidified upon standing.

Reference： [1]Patent: WO2011/20193,2011,A1 .Location in patent: Page/Page column 19

4
[ 476620-54-9 ]
[ 1266728-04-4 ]

Reference： [1]Patent: WO2011/20193,2011,A1

5
[ 476620-54-9 ]
[ 107-21-1 ]
[ 1307795-09-0 ]

Yield	Reaction Conditions	Operation in experiment
	toluene-4-sulfonic acid; In benzene; for 20h;Reflux;	To a reaction vessel containing a benzene solution (0.12 M) of 2-bromo-4,5- difluorobenzaldehyde (1 eq.) from the previous step, 1 ,2-ethanediol (1 eq.) and TsOH (0.05 eq.) was attached a Dean-Stark apparatus. The reaction mixture was then heated at reflux. After 20 h the reaction mixture was cooled to RT, diluted with hexanes and ether, and washed sequentially with 1 N aq. NaOH, water and brine. The organic extract was then dried over Na2S04, filtered through a pad of Si02 and the filtrate concentrated in vacuo. Purification of the crude product thus obtained by way of columnchromatography (Si02, Hex - 1 :1 (v/v) Hex: EtOAc) afforded the title compound as a pale yellow oil that solidified upon standing.

Reference： [1]Patent: WO2011/57382,2011,A1 .Location in patent: Page/Page column 21
[2]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

6
[ 476620-54-9 ]
[ 1307795-06-7 ]

Reference： [1]Patent: WO2011/57382,2011,A1

7
[ 476620-54-9 ]
rac-tert-butyl (3S,4R)-4-[2-(1,3-dioxolan-2-yl)-4,5-difluorophenyl]-4-hydroxy-3-(3-methyl-2'-[(triisopropylsilyl)oxy]methyl}-4-biphenylyl)-1-piperidinecarboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1
[2]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

8
[ 476620-54-9 ]
rac-tert-butyl (1R,3'S)-5,6-difluoro-3-hydroxy-3'-(3-methyl-2'-[(triisopropylsilyl)oxy]methyl}-4-biphenylyl)-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1
[2]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

9
[ 476620-54-9 ]
rac-tert-butyl (3S,4R)-4-[4,5-difluoro-2-(hydroxymethyl)phenyl]-4-hydroxy-3-(3-methyl-2'-[(triisopropylsilyl)oxy]methyl}-4-biphenylyl)-1-piperidinecarboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1
[2]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

10
[ 476620-54-9 ]
rac-tert-butyl (1R,3'S)-5,6-difluoro-3'-(3-methyl-2'-[(triisopropylsilyl)oxy]methyl}-4-biphenylyl)-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

11
[ 476620-54-9 ]
rac-tert-butyl (1R,3'S)-5,6-difluoro-3'-[2'-(hydroxymethyl)-3-methyl-4-biphenylyl]-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

12
[ 476620-54-9 ]
rac-(1R,3'S)3'-[2'-(tert-butoxymethyl)-3-methyl-4-biphenylyl]-5,6-difluoro-3H-spiro[2-benzofuran-1,4'-piperidine] [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

13
[ 476620-54-9 ]
rac-{4'-[(1R,3'S)-5,6-difluoro-3H-spiro[2-benzofuran-1,4'-piperidin]-3'-yl]-3'-methyl-2-biphenylyl}methanol [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

14
[ 476620-54-9 ]
rac-tert-butyl (1R,3'S)-(5,6-difluoro-3'-(3-methyl-2'-[methylsulfonyl]oxy}methyl)-4-biphenylyl)-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1
[2]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

15
[ 476620-54-9 ]
rac-tert-butyl (1R,3'S)-3'-[2'-(cyanomethyl)-3-methyl-4-biphenylyl]-5,6-difluoro-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1
[2]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

16
[ 476620-54-9 ]
rac-{4'-[(1R,3'S)-5,6-difluoro-3H-spiro[2-benzofuran-1,4'-piperidin]-3'-yl]-3'-methyl-2-biphenylyl}acetonitrile [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

17
[ 476620-54-9 ]
rac-tert-butyl (1R,3'S)-3,-{2'-[2-(acetylamino)ethyl]-3-methyl-4-biphenylyl}-5,6-difluoro-1'H,3H-spiro[2-benzofuran-1,4'-piperidine]-1'-carboxylate [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

18
[ 476620-54-9 ]
C₃₂H₃₆F₂N₂O₃ [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

19
[ 476620-54-9 ]
rac-N-(2-{4'-[(1R,3'S)-5,6-difluoro-3H-spiro[2-benzofuran-1,4'-piperidin]-3'-yl]-3'-methyl-2-biphenylyl}ethyl)acetamide [ No CAS ]

Reference： [1]Patent: WO2011/57382,2011,A1

20
[ 476620-54-9 ]
[ 1366038-33-6 ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

21
[ 476620-54-9 ]
C₃₁H₃₅F₂NO₅ [ No CAS ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

22
[ 476620-54-9 ]
C₃₂H₃₆F₂N₂O₃ [ No CAS ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

23
[ 476620-54-9 ]
C₃₄H₃₈F₂N₂O₄ [ No CAS ]
C₃₄H₃₈F₂N₂O₄ [ No CAS ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2012,vol. 22,p. 1953 - 1957

24
[ 476620-54-9 ]
[ 1422359-52-1 ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2013,vol. 23,p. 996 - 1000

25
[ 476620-54-9 ]
C₂₁H₁₆BrF₅N₂O₃S [ No CAS ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2013,vol. 23,p. 996 - 1000

26
[ 476620-54-9 ]
[ 1215181-75-1 ]
[ 1215181-74-0 ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2013,vol. 23,p. 996 - 1000

27
[ 476620-54-9 ]
[ 1429329-42-9 ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2013,vol. 23,p. 996 - 1000

28
[ 476620-54-9 ]
[ 830-43-3 ]
[ 1422359-20-3 ]

Reference： [1]Bioorganic and Medicinal Chemistry Letters,2013,vol. 23,p. 996 - 1000

29
[ 476620-54-9 ]
[ 89343-06-6 ]
C₁₈H₂₄F₂OSi [ No CAS ]

Reference： [1]Chemistry - A European Journal,2013,vol. 19,p. 15682 - 15688

30
[ 476620-54-9 ]
C₁₉H₂₄F₂Si [ No CAS ]

Reference： [1]Chemistry - A European Journal,2013,vol. 19,p. 15682 - 15688

31
[ 476620-54-9 ]
C₂₂H₂₈F₂OSi [ No CAS ]

Reference： [1]Chemistry - A European Journal,2013,vol. 19,p. 15682 - 15688

32
[ 476620-54-9 ]
C₂₃H₃₀F₂O₃SSi [ No CAS ]

Reference： [1]Chemistry - A European Journal,2013,vol. 19,p. 15682 - 15688

33
[ 476620-54-9 ]
C₁₄H₁₀F₂O₃S [ No CAS ]

Reference： [1]Chemistry - A European Journal,2013,vol. 19,p. 15682 - 15688

34
[ 476620-54-9 ]
C₁₆H₁₆F₂ [ No CAS ]

Reference： [1]Chemistry - A European Journal,2013,vol. 19,p. 15682 - 15688

35
[ 476620-54-9 ]
C₁₆H₈BrF₂I [ No CAS ]

Reference： [1]Chemistry - A European Journal,2015,vol. 21,p. 18122 - 18127

36
[ 476620-54-9 ]
[ 536-74-3 ]
C₁₅H₈F₂O [ No CAS ]

Reference： [1]Chemistry - A European Journal,2015,vol. 21,p. 18122 - 18127

37
[ 476620-54-9 ]
[ 10349-38-9 ]
[ 86826-93-9 ]
[ 104-84-7 ]
2-bromo-N-(1-(2-bromo-5-methoxyphenyl)-2-((4-methoxyphenyl)amino)-2-oxoethyl)-4,5-difluoro-N-(4-methylbenzyl)benzamide [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2014,vol. 2014,p. 6634 - 6638

38
[ 476620-54-9 ]
[ 10349-38-9 ]
[ 86826-93-9 ]
[ 104-84-7 ]
5',6'-difluoro-5-methoxy-1-(4-methoxyphenyl)-2'-(4-methylbenzyl)spiro[indoline-3,1'-isoindoline]-2,3'-dione [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2014,vol. 2014,p. 6634 - 6638

39
[ 119072-55-8 ]
[ 5470-14-4 ]
[ 476620-54-9 ]
[ 5763-61-1 ]
2-bromo-N-(1-(6-bromobenzo[d][1,3]dioxol-5-yl)-2-(tert-butylamino)-2-oxoethyl)-N-(3,4-dimethoxybenzyl)-4,5-difluorobenzamide [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2014,vol. 2014,p. 6634 - 6638

40
[ 5470-14-4 ]
[ 476620-54-9 ]
[ 5763-61-1 ]
C₂₉H₂₆F₂N₂O₆ [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2014,vol. 2014,p. 6634 - 6638

41
ferrocene boronic acid [ No CAS ]
[ 476620-54-9 ]
4,5-difluoro-2-formylphenylferrocene [ No CAS ]

Reference： [1]Chemical Communications,2016,vol. 52,p. 6419 - 6422

42
[ 476620-54-9 ]
6,7-difluoro-4-formyl-1,3-dihydro-3-hydroxy-1,1-dimethyl-1,2,3-benzosiloxaborole [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826

43
[ 476620-54-9 ]
6,7-difluoro-4-formyl-1,3-dihydro-3-hydroxy-1,1-dimethyl-1,2,3-benzosiloxaborole [ No CAS ]
5,6-difluoro-7-(dimethylsilyl)-1,3-dihydro-1-hydroxy-2,1-benzoxaborole [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826

44
[ 476620-54-9 ]
C₁₈H₁₈B₂F₄O₄Si₂ [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826
[2]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826

45
[ 476620-54-9 ]
5,6-difluoro-7-(dimethylsilyl)-1,3-dihydro-1-hydroxy-2,1-benzoxaborole [ No CAS ]
C₉H₁₁BF₂O₃Si [ No CAS ]

Reference： [1]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826

46
[ 476620-54-9 ]
[ 149-73-5 ]
[ 959687-70-8 ]

Yield	Reaction Conditions	Operation in experiment
91%	With toluene-4-sulfonic acid; In methanol; for 3h;Reflux;	2-Bromo-4,5-difluorobenzaldehyde 20.1 (1 g, 4.52 mmol) was dissolved in methanol (5 ml)and p-toluenesulfonic acid monohydrate (9 mg, 0.226 mmol) and trimethyl orthoformate (2ml) were added. The reaction was then heated to reflux for 3 h. The mixture was cooled onice water then the volatiles were removed. The mixture was diluted with diethyl ether andwater. The aqueous layer was extracted twice with diethyl ether. The combined organic extracts were washed with brine, dried over magnesium sulfate, filtered and the filtrate evaporated. The residue was purified via column chromatography (150 ml silica, 5-20% diethyl ether in hexane) to provide compound 20.2 (1.1 g, 91%) as a colourless oil. 1H NMR(CDCI3, 300 MHz) O 3.38 (5, 6H), 5.46 (5, 1H), 7.39 (dd, 1H), 7.46 (dd, 1H).

Reference： [1]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826
[2]Patent: WO2018/211275,2018,A1 .Location in patent: Page/Page column 180

47
[ 64695-78-9 ]
[ 68-12-2 ]
[ 476620-54-9 ]

Reference： [1]European Journal of Organic Chemistry,2017,vol. 2017,p. 818 - 826

48
[ 476620-54-9 ]
[ 90-04-0 ]
2,3-difluoro-5-methoxyacridine [ No CAS ]

Reference： [1]Synthesis,2018,vol. 50,p. 1621 - 1628

49
[ 476620-54-9 ]
[ 90-04-0 ]
C₁₄H₁₁F₂NO₂ [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	With 1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; In water; toluene; at 60℃; for 2h;Inert atmosphere;	General procedure: alpha-bromoaldehyde 4a-g (1 mmol), 2-methoxyaniline (5) (1 mmol), Pd2(dba)3 (0.02 mmol), dppf (0.04 mmol) and t-BuONa (1.5 mmol) were added to a mixture of Kolliphor EL (1.8 mL, 1.97% H2O) and toluene (0.2 mL) and stirred (500 rpm) at 60 C for 2 h. After cooling to r.t. ,EtOH was added (about 10 mL, until the reaction mixture became homogeneous) and the solvents were removed under reduced pressure.

Reference： [1]Synthesis,2018,vol. 50,p. 1621 - 1628

50
[ 476620-54-9 ]
[ 1066-54-2 ]
4,5-difluoro-2-((trimethylsilyl)ethynyl)benzaldehyde [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine; at 70℃;	A mixture of Pd(PPh3)4 (260 mg, 0.23 mmol), Cul (43 mg, 0.23 mmol), 2-bromo-4,5- difluorobenzaldehyde (1 .00 g, 4.50 mmol) and ethynyl trimethylsilane (1 .55 g, 15.80 mmol) in TEA (10 mL) was stirred at 70 C overnight. The mixture was concentrated to dryness. EtOAc (20 mL) was added and the mixture was filtered through a pad of Celite. The mixture was concentrated to dryness and the residue was purified by column chromatography (gradient 5-30% EtOAc in PE) to give the title compound as a yellow oil.
	With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine; at 70℃;	A mixture of Pd(PPh3)4 (260 mg, 0.23 mmol), Cul (43 mg, 0.23 mmol), 2-bromo-4,5- difluorobenzaldehyde (1 .00 g, 4.50 mmol) and ethynyl trimethylsilane (1 .55 g, 15.80 mmol) in TEA (10 mL) was stirred at 70 C overnight. The mixture was concentrated to dryness. EtOAc (20 mL) was added and the mixture was filtered through a pad of Celite. The mixture was concentrated to dryness and the residue was purified by column chromatography (gradient 5-30% EtOAc in PE) to give the title compound as a yellow oil.

Reference： [1]Patent: WO2018/141855,2018,A1 .Location in patent: Paragraph 38; 39
[2]Patent: WO2018/141857,2018,A1 .Location in patent: Page/Page column 51

51
[ 476620-54-9 ]
((2-(difluoromethyl)-4,5-difluorophenyl)ethynyl)trimethylsilane [ No CAS ]

Reference： [1]Patent: WO2018/141855,2018,A1
[2]Patent: WO2018/141857,2018,A1

52
[ 476620-54-9 ]
1-(difluoromethyl)-2-ethynyl-4,5-difluorobenzene [ No CAS ]

Reference： [1]Patent: WO2018/141855,2018,A1
[2]Patent: WO2018/141857,2018,A1

53
[ 476620-54-9 ]
2-(dimethoxymethyl)-4,5-difluorobenzaldehyde [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

54
[ 476620-54-9 ]
methyl 2-((2-(dimethoxymethyl)-4,5-difluorobenzyl)amino)acetate [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

55
[ 476620-54-9 ]
methyl 2-(N-(2-(dimethoxymethyl)-4,5-difluorobenzyl)pivalamido)acetate [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

56
[ 476620-54-9 ]
2-(N-(2-(dimethoxymethyl)-4,5-difluorobenzyl)pivalamido)acetic acid [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

57
[ 476620-54-9 ]
N-(2-(dimethoxymethyl)-4,5-difluorobenzyl)-N-(2-oxo-2-((2’-oxo-1,1',2',3-tetrahydrospiro[indene-2,3’-pyrrolo[2,3-b]pyridin]-5-yl)amino)ethyl)pivalamide [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

58
[ 476620-54-9 ]
N-(4,5-difluoro-2-formylbenzyl)-N-(2-oxo-2-((2’-oxo-1,1',2',3-tetrahydrospiro[indene-2,3’-pyrrolo[2,3-b]pyridin]-5-yl)amino)ethyl)pivalamide [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

59
[ 476620-54-9 ]
N-(4,5-difluoro-2-((methylamino)methyl)benzyl)-N-(2-oxo-2-((2’-oxo-1,1‘,2’,3-tetrahydrospiro[indene-2,3’-pyrrolo[2,3-b]pyridin]-5-yl)amino)ethyl)pivalamide [ No CAS ]

Reference： [1]Patent: WO2018/211275,2018,A1

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Ghs Precautionary Statements

Precautionary Statements-General
Code	Phrase
P101	If medical advice is needed,have product container or label at hand.
P102	Keep out of reach of children.
P103	Read label before use
Prevention
Code	Phrase
P201	Obtain special instructions before use.
P202	Do not handle until all safety precautions have been read and understood.
P210	Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P211	Do not spray on an open flame or other ignition source.
P220	Keep/Store away from clothing/combustible materials.
P221	Take any precaution to avoid mixing with combustibles
P222	Do not allow contact with air.
P223	Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P230	Keep wetted
P231	Handle under inert gas.
P232	Protect from moisture.
P233	Keep container tightly closed.
P234	Keep only in original container.
P235	Keep cool
P240	Ground/bond container and receiving equipment.
P241	Use explosion-proof electrical/ventilating/lighting/equipment.
P242	Use only non-sparking tools.
P243	Take precautionary measures against static discharge.
P244	Keep reduction valves free from grease and oil.
P250	Do not subject to grinding/shock/friction.
P251	Pressurized container: Do not pierce or burn, even after use.
P260	Do not breathe dust/fume/gas/mist/vapours/spray.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P262	Do not get in eyes, on skin, or on clothing.
P263	Avoid contact during pregnancy/while nursing.
P264	Wash hands thoroughly after handling.
P265	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
P272	Contaminated work clothing should not be allowed out of the workplace.
P273	Avoid release to the environment.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P281	Use personal protective equipment as required.
P282	Wear cold insulating gloves/face shield/eye protection.
P283	Wear fire/flame resistant/retardant clothing.
P284	Wear respiratory protection.
P285	In case of inadequate ventilation wear respiratory protection.
P231 + P232	Handle under inert gas. Protect from moisture.
P235 + P410	Keep cool. Protect from sunlight.
Response
Code	Phrase
P301	IF SWALLOWED:
P304	IF INHALED:
P305	IF IN EYES:
P306	IF ON CLOTHING:
P307	IF exposed:
P308	IF exposed or concerned:
P309	IF exposed or if you feel unwell:
P310	Immediately call a POISON CENTER or doctor/physician.
P311	Call a POISON CENTER or doctor/physician.
P312	Call a POISON CENTER or doctor/physician if you feel unwell.
P313	Get medical advice/attention.
P314	Get medical advice/attention if you feel unwell.
P315	Get immediate medical advice/attention.
P320
P302 + P352	IF ON SKIN: wash with plenty of soap and water.
P321
P322
P330	Rinse mouth.
P331	Do NOT induce vomiting.
P332	IF SKIN irritation occurs:
P333	If skin irritation or rash occurs:
P334	Immerse in cool water/wrap n wet bandages.
P335	Brush off loose particles from skin.
P336	Thaw frosted parts with lukewarm water. Do not rub affected area.
P337	If eye irritation persists:
P338	Remove contact lenses, if present and easy to do. Continue rinsing.
P340	Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P341	If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P342	If experiencing respiratory symptoms:
P350	Gently wash with plenty of soap and water.
P351	Rinse cautiously with water for several minutes.
P352	Wash with plenty of soap and water.
P353	Rinse skin with water/shower.
P360	Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P361	Remove/Take off immediately all contaminated clothing.
P362	Take off contaminated clothing and wash before reuse.
P363	Wash contaminated clothing before reuse.
P370	In case of fire:
P371	In case of major fire and large quantities:
P372	Explosion risk in case of fire.
P373	DO NOT fight fire when fire reaches explosives.
P374	Fight fire with normal precautions from a reasonable distance.
P376	Stop leak if safe to do so. Oxidising gases (section 2.4) 1
P377	Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P378
P380	Evacuate area.
P381	Eliminate all ignition sources if safe to do so.
P390	Absorb spillage to prevent material damage.
P391	Collect spillage. Hazardous to the aquatic environment
P301 + P310	IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P301 + P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P301 + P330 + P331	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P334	IF ON SKIN: Immerse in cool water/wrap in wet bandages.
P302 + P350	IF ON SKIN: Gently wash with plenty of soap and water.
P303 + P361 + P353	IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304 + P312	IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
P304 + P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P304 + P341	IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P306 + P360	IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes.
P307 + P311	IF exposed: call a POISON CENTER or doctor/physician.
P308 + P313	IF exposed or concerned: Get medical advice/attention.
P309 + P311	IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician.
P332 + P313	IF SKIN irritation occurs: Get medical advice/attention.
P333 + P313	IF SKIN irritation or rash occurs: Get medical advice/attention.
P335 + P334	Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.
P337 + P313	IF eye irritation persists: Get medical advice/attention.
P342 + P311	IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P370 + P376	In case of fire: Stop leak if safe to Do so.
P370 + P378	In case of fire:
P370 + P380	In case of fire: Evacuate area.
P370 + P380 + P375	In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P371 + P380 + P375	In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
Storage
Code	Phrase
P401
P402	Store in a dry place.
P403	Store in a well-ventilated place.
P404	Store in a closed container.
P405	Store locked up.
P406	Store in corrosive resistant/ container with a resistant inner liner.
P407	Maintain air gap between stacks/pallets.
P410	Protect from sunlight.
P411
P412	Do not expose to temperatures exceeding 50 oC/ 122 oF.
P413
P420	Store away from other materials.
P422
P402 + P404	Store in a dry place. Store in a closed container.
P403 + P233	Store in a well-ventilated place. Keep container tightly closed.
P403 + P235	Store in a well-ventilated place. Keep cool.
P410 + P403	Protect from sunlight. Store in a well-ventilated place.
P410 + P412	Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF.
P411 + P235	Keep cool.
Disposal
Code	Phrase
P501	Dispose of contents/container to ...
P502	Refer to manufacturer/supplier for information on recovery/recycling

Ghs Hazard Statements

Physical hazards
Code	Phrase
H200	Unstable explosive
H201	Explosive; mass explosion hazard
H202	Explosive; severe projection hazard
H203	Explosive; fire, blast or projection hazard
H204	Fire or projection hazard
H205	May mass explode in fire
H220	Extremely flammable gas
H221	Flammable gas
H222	Extremely flammable aerosol
H223	Flammable aerosol
H224	Extremely flammable liquid and vapour
H225	Highly flammable liquid and vapour
H226	Flammable liquid and vapour
H227	Combustible liquid
H228	Flammable solid
H229	Pressurized container: may burst if heated
H230	May react explosively even in the absence of air
H231	May react explosively even in the absence of air at elevated pressure and/or temperature
H240	Heating may cause an explosion
H241	Heating may cause a fire or explosion
H242	Heating may cause a fire
H250	Catches fire spontaneously if exposed to air
H251	Self-heating; may catch fire
H252	Self-heating in large quantities; may catch fire
H260	In contact with water releases flammable gases which may ignite spontaneously
H261	In contact with water releases flammable gas
H270	May cause or intensify fire; oxidizer
H271	May cause fire or explosion; strong oxidizer
H272	May intensify fire; oxidizer
H280	Contains gas under pressure; may explode if heated
H281	Contains refrigerated gas; may cause cryogenic burns or injury
H290	May be corrosive to metals
Health hazards
Code	Phrase
H300	Fatal if swallowed
H301	Toxic if swallowed
H302	Harmful if swallowed
H303	May be harmful if swallowed
H304	May be fatal if swallowed and enters airways
H305	May be harmful if swallowed and enters airways
H310	Fatal in contact with skin
H311	Toxic in contact with skin
H312	Harmful in contact with skin
H313	May be harmful in contact with skin
H314	Causes severe skin burns and eye damage
H315	Causes skin irritation
H316	Causes mild skin irritation
H317	May cause an allergic skin reaction
H318	Causes serious eye damage
H319	Causes serious eye irritation
H320	Causes eye irritation
H330	Fatal if inhaled
H331	Toxic if inhaled
H332	Harmful if inhaled
H333	May be harmful if inhaled
H334	May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335	May cause respiratory irritation
H336	May cause drowsiness or dizziness
H340	May cause genetic defects
H341	Suspected of causing genetic defects
H350	May cause cancer
H351	Suspected of causing cancer
H360	May damage fertility or the unborn child
H361	Suspected of damaging fertility or the unborn child
H361d	Suspected of damaging the unborn child
H362	May cause harm to breast-fed children
H370	Causes damage to organs
H371	May cause damage to organs
H372	Causes damage to organs through prolonged or repeated exposure
H373	May cause damage to organs through prolonged or repeated exposure
Environmental hazards
Code	Phrase
H400	Very toxic to aquatic life
H401	Toxic to aquatic life
H402	Harmful to aquatic life
H410	Very toxic to aquatic life with long-lasting effects
H411	Toxic to aquatic life with long-lasting effects
H412	Harmful to aquatic life with long-lasting effects
H413	May cause long-lasting harmful effects to aquatic life
H420	Harms public health and the environment by destroying ozone in the upper atmosphere