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[ CAS No. 42327-52-6 ] {[proInfo.proName]}

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Chemical Structure| 42327-52-6
Chemical Structure| 42327-52-6
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Product Details of [ 42327-52-6 ]

CAS No. :42327-52-6 MDL No. :MFCD00598405
Formula : C10H10O3 Boiling Point : -
Linear Structure Formula :- InChI Key :DISYDHABSCTQFK-UHFFFAOYSA-N
M.W : 178.19 Pubchem ID :4387510
Synonyms :

Calculated chemistry of [ 42327-52-6 ]

Physicochemical Properties

Num. heavy atoms : 13
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.3
Num. rotatable bonds : 1
Num. H-bond acceptors : 3.0
Num. H-bond donors : 0.0
Molar Refractivity : 47.51
TPSA : 35.53 Ų

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) : -6.43 cm/s

Lipophilicity

Log Po/w (iLOGP) : 2.06
Log Po/w (XLOGP3) : 1.35
Log Po/w (WLOGP) : 1.66
Log Po/w (MLOGP) : 0.74
Log Po/w (SILICOS-IT) : 2.39
Consensus Log Po/w : 1.64

Druglikeness

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

Water Solubility

Log S (ESOL) : -2.07
Solubility : 1.51 mg/ml ; 0.0085 mol/l
Class : Soluble
Log S (Ali) : -1.7
Solubility : 3.57 mg/ml ; 0.02 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -2.98
Solubility : 0.186 mg/ml ; 0.00104 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 2.09

Safety of [ 42327-52-6 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 42327-52-6 ]

* 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 [ 42327-52-6 ]
  • Downstream synthetic route of [ 42327-52-6 ]

[ 42327-52-6 ] Synthesis Path-Upstream   1~30

  • 1
  • [ 76240-27-2 ]
  • [ 74-88-4 ]
  • [ 42327-52-6 ]
YieldReaction ConditionsOperation in experiment
100% With potassium carbonate In acetone at 60℃; for 3 h; 7-Methoxychroman-4-one[00154] 7-Hydroxychroman-4-one (3.86 g, 23.5 mmol) was mixed with potassiumcarbonate (649 g, 47.0 mmol) in acetone (80 mL) under 60°C oil bath. lodomethane (9.3 g,66 mmol) was added slowly. The reaction mixture was stirred for 3 hours and then filtered. The filtrate was concentrated under vacuum and the residue was dissolved in dichioromethane and washed with water and brine. The organic layer was dried with magnesium sulfate and concentrated in vacuum give 7-methoxychroman-4-one (4.19 g,100percent yield) as sticky solid.
97% With potassium carbonate In acetone for 4 h; Heating / reflux C. 7-methoxychroman-4-one7-hydroxychroman-4-one (1.0 g, 6.1 mmol) was dissolved in 20 ml acetone in a 250 ml round-bottomed flask. Potassium carbonate (1.68 g, 12.2 mmol, Aldrich) and iodomethane (2.4 g, 17.1 mmol, Aldrich) were added successively. The solution was refluxed for 4 h, cooled to room temperature, and diluted with dichloromethane. The solid was removed by filtration. The filtrate was concentrated in vacuum to yield <n="33"/>yellowish clear oil. The oil was dissolved in dichloromethane (100 ml) and extracted with H2O (2 x 50 ml). The organic was dried over magnesium sulfate and concentrated in vacuum to give 7-methoxychroman-4-one as a white waxy solid (1.05 g, 97percent), which was of great purity indicated by NMR. 1U NMR (CDCl3, 500 MHz): δ 7.84 (d, J= 8.8 Hz, IH), 6.58 (dd, Ji = 8.8 Hz, J2 = 2.4 Hz, IH), 6.40 (d, J = 2.4 Hz, IH), 4.52 (t, J= 6.5 Hz, 2H), 3.84 (s, 3H), 2.76 (t, J= 6.5 Hz, 2H).
89% With potassium carbonate In acetone at 20℃; for 4 h; Inert atmosphere Step3: 7-Methoxy-2,3-dihydro-4H-chromen-4-one [00185] To a stirred solution of 7-Hydroxy-2,3-dihydro-4H-chromen-4-one (27 g, 0.16 mol) in acetone (700 mL) was added dry K2CO3 (45.6 g, 0.32 mol) in lots at RT under nitrogen. The reaction mixture was stirred at RT for 10 min and then methyl iodide (65.4 g, 0.46 mol) was added drop wise at RT. The reaction mixture was stirred at RT for 4 h. The reaction mixture was filtered and filtrate was concentrated under vacuum. The crude product was dissolved in DCM (200 mL), washed with water (100 mL), brine (50 mL), dried over sodium sulphate and concentrated under vacuum to afford the desired compound (15 g, 89 percent) as light yellow solid. 1H NMR (400 MHz, CDC13) δ 7.85-7.83 (d, / = 8.0 Hz, 1H), 6.60-6.57 (dd, / = 4.0, 12.0 Hz, 1H), 6.41-6.41 (d, / = 4.0 Hz, 1H), 4.52 (t, / = 8.0 Hz, 2H), 3.77 (s, 3H), 2.76 (t, / = 4.0 Hz, 2H).
72.1% With potassium carbonate In tetrahydrofuran at 70℃; for 5 h; 7-Hydroxy-2,3-dihydrochromen-4-one (4.47 g, 27.2 mmol) was diluted with tetrahydrofuran (40 mL) followed by the addition Of K2CO3 (5.64 g, 40.8 mmol) and MeI (2.55 mL, 40.8 mmol). The reaction was heated at 70 0C for 5 hours. The reaction was allowed to cool and loaded onto a Biotage 4OM cartridge running a gradient 5percent ethyl acetate/hexanes to 75percent to yield the title compound (3.5 g, 72.1percent yield).

Reference: [1] Patent: WO2015/51447, 2015, A1, . Location in patent: Paragraph 00154
[2] Patent: WO2008/67451, 2008, A1, . Location in patent: Page/Page column 31-32
[3] Chemical and Pharmaceutical Bulletin, 2016, vol. 64, # 8, p. 1203 - 1207
[4] Chemical and Pharmaceutical Bulletin, 2009, vol. 57, # 10, p. 1139 - 1141
[5] Patent: WO2014/209980, 2014, A1, . Location in patent: Paragraph 00184; 00185
[6] Patent: WO2009/158426, 2009, A1, . Location in patent: Page/Page column 158
[7] Bioorganic and Medicinal Chemistry Letters, 2010, vol. 20, # 3, p. 1037 - 1039
[8] Bioorganic and Medicinal Chemistry Letters, 2007, vol. 17, # 24, p. 6764 - 6769
[9] Bioorganic and Medicinal Chemistry, 2009, vol. 17, # 19, p. 6908 - 6913
[10] Patent: WO2013/184755, 2013, A2, . Location in patent: Page/Page column 120
  • 2
  • [ 49855-03-0 ]
  • [ 42327-52-6 ]
YieldReaction ConditionsOperation in experiment
67% at 0 - 20℃; for 3 h; Method B:
To a reaction vessel containing 3-(3-methoxy-phenoxy)-propionic acid (1) (7.00 g, 35.6 mmol) at 0° C. was added slowly trifluoromethanesulfonic acid (15 mL).
The reaction mixture was stirred for 3 hours while allowing to warm up to room temperature.
After cooling to 0° C., the reaction mixture was quenched with crushed ice, then extracted with Et2O (2*300 mL).
The organic layer was washed with water (2*), aqueous NaHCO3, water, brine, then dried (Na2SO4), filtered and concentrated to give a crude oil, which was purified by silica gel chromatography to give a pure product as a yellow solid. Yield: 4.26 g (67percent).
1H-NMR (300 MHz, CDCl3): δ 2.76 (t, J=6.3 Hz, 2H), 3.84 (s, 3H), 4.52 (t, J=6.3 Hz, 2H), 6.41 (d, J=2.3 Hz, 1H), 6.58 (dd, J=8.8, 2.3 Hz, 1H), 7.84 (d, J=8.8 Hz, 1H); MS (ESI) m/z 179 ([M+H]+).
Reference: [1] Organic and Biomolecular Chemistry, 2014, vol. 12, # 26, p. 4747 - 4753
[2] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. &lt;B&gt; 19, # 6, p. 500 - 503
[3] Bioorganic and Medicinal Chemistry Letters, 2007, vol. 17, # 14, p. 4053 - 4056
[4] Patent: US2006/52410, 2006, A1, . Location in patent: Page/Page column 7; 10
[5] Bioorganic and Medicinal Chemistry, 2006, vol. 14, # 8, p. 2545 - 2551
[6] Proceedings of the Chemical Society, London, 1912, vol. 28, p. 7
[7] Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1911, vol. 43, p. 1188[8] Chem. Zentralbl., 1912, vol. 83, # I, p. 1022
[9] Journal of the Chemical Society, 1926, p. 943,946[10] Journal of the Chemical Society, 1927, p. 2095,2098
[11] Chemische Berichte, 1924, vol. 57, p. 210
[12] Chemische Berichte, 1924, vol. 57, p. 210
[13] Chemische Berichte, 1924, vol. 57, p. 210
[14] Journal of the Chemical Society, 1927, p. 2100[15] Journal of the Chemical Society, 1928, p. 1510
[16] Journal of the Chemical Society, 1954, p. 4299,4301
[17] Bulletin de la Societe Chimique de France, 1958, p. 325,328
[18] Journal of Chemical Research, Miniprint, 1997, # 6, p. 1412 - 1422
[19] Patent: EP641792, 1995, A1,
[20] Natural Product Research, 2012, vol. 26, # 16, p. 1473 - 1482
  • 3
  • [ 1231976-83-2 ]
  • [ 42327-52-6 ]
YieldReaction ConditionsOperation in experiment
65% With toluene-4-sulfonic acid In ethanol at 150℃; for 3 h; Inert atmosphere; Microwave irradiation General procedure: To an Emrys Optimizer were added, under argon, ortho-substituted arylalkynols 9 (5.15 mmol) and PTSA (294 mg, 1.54 mmol, 0.3 equiv.) in EtOH (8 mL). The reaction vessel was then placed in the Emrys Optimizer and exposed to microwave irradiation according to the following specifications: temperature (150 °C), time (3 h), fixed hold time: on, sample absorption: high, pre-stirring: 60 s. After cooling to room temperature, the mixture was concentrated and purified by column chromatography on silica gel to give chroman-4-ones 10.
Reference: [1] European Journal of Medicinal Chemistry, 2015, vol. 90, p. 834 - 844
  • 4
  • [ 49855-03-0 ]
  • [ 42327-52-6 ]
  • [ 863309-86-8 ]
YieldReaction ConditionsOperation in experiment
67% at 67℃; for 1 h; 3-(2-Methoxyphenoxy)propanoic acid (5.61 mmol) and polyphosphoric (25 ml_) are combined and heated at 67 0C for 1 h. The reaction mixture is diluted with ice water (150 ml_) and the precipitated solids are collected by filtration, washed with water, and dried to provide 8-methoxy-2,3-dihydrochromen-4-one (Target C2) in 67percent yield as a brown solid.
Reference: [1] Patent: WO2009/55437, 2009, A2, . Location in patent: Page/Page column 59; 60
[2] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
  • 5
  • [ 5751-52-0 ]
  • [ 42327-52-6 ]
Reference: [1] Bioorganic and Medicinal Chemistry Letters, 2018, vol. 28, # 11, p. 2098 - 2102
[2] Applied Organometallic Chemistry, 2011, vol. 25, # 11, p. 804 - 809
[3] Journal of Chemical Research, Miniprint, 1988, # 6, p. 1570 - 1582
  • 6
  • [ 18385-79-0 ]
  • [ 42327-52-6 ]
Reference: [1] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
  • 7
  • [ 150-19-6 ]
  • [ 42327-52-6 ]
Reference: [1] Bioorganic and Medicinal Chemistry Letters, 2007, vol. 17, # 14, p. 4053 - 4056
[2] Bioorganic and Medicinal Chemistry, 2006, vol. 14, # 8, p. 2545 - 2551
[3] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
[4] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
[5] Tetrahedron, 1989, vol. 45, # 18, p. 5895 - 5906
[6] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. &lt;B&gt; 19, # 6, p. 500 - 503
[7] Proceedings of the Chemical Society, London, 1912, vol. 28, p. 7
[8] Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1911, vol. 43, p. 1188[9] Chem. Zentralbl., 1912, vol. 83, # I, p. 1022
[10] Journal of the Chemical Society, 1926, p. 943,946[11] Journal of the Chemical Society, 1927, p. 2095,2098
[12] Chemische Berichte, 1924, vol. 57, p. 210
[13] Proceedings of the Chemical Society, London, 1912, vol. 28, p. 7
[14] Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1911, vol. 43, p. 1188[15] Chem. Zentralbl., 1912, vol. 83, # I, p. 1022
[16] Journal of the Chemical Society, 1926, p. 943,946[17] Journal of the Chemical Society, 1927, p. 2095,2098
[18] Journal of the Chemical Society, 1950, p. 2272,2275
[19] Chemistry - An Asian Journal, 2016, vol. 11, # 5, p. 757 - 765
  • 8
  • [ 76240-27-2 ]
  • [ 77-78-1 ]
  • [ 42327-52-6 ]
Reference: [1] Journal of Medicinal Chemistry, 2016, vol. 59, # 6, p. 2468 - 2477
  • 9
  • [ 139711-09-4 ]
  • [ 42327-52-6 ]
Reference: [1] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992, vol. 31, # 3, p. 156 - 162
  • 10
  • [ 108-46-3 ]
  • [ 42327-52-6 ]
Reference: [1] Chemische Berichte, 1924, vol. 57, p. 210
[2] Journal of the Chemical Society, 1926, p. 943,946[3] Journal of the Chemical Society, 1927, p. 2095,2098
[4] Journal of the Chemical Society, 1926, p. 943,946[5] Journal of the Chemical Society, 1927, p. 2095,2098
[6] Patent: WO2014/209980, 2014, A1,
[7] Patent: WO2015/51447, 2015, A1,
[8] Archiv der Pharmazie, 2015, vol. 348, # 9, p. 643 - 649
[9] Journal of Medicinal Chemistry, 2016, vol. 59, # 6, p. 2468 - 2477
[10] Chemical and Pharmaceutical Bulletin, 2016, vol. 64, # 8, p. 1203 - 1207
[11] Patent: WO2008/67451, 2008, A1,
  • 11
  • [ 151884-07-0 ]
  • [ 42327-52-6 ]
Reference: [1] Patent: WO2015/51447, 2015, A1,
[2] Archiv der Pharmazie, 2015, vol. 348, # 9, p. 643 - 649
[3] Journal of Medicinal Chemistry, 2016, vol. 59, # 6, p. 2468 - 2477
[4] Chemical and Pharmaceutical Bulletin, 2016, vol. 64, # 8, p. 1203 - 1207
[5] Patent: WO2008/67451, 2008, A1,
  • 12
  • [ 552-41-0 ]
  • [ 42327-52-6 ]
Reference: [1] Journal of Chemical Research, Miniprint, 1988, # 6, p. 1570 - 1582
[2] Bioorganic and Medicinal Chemistry Letters, 2018, vol. 28, # 11, p. 2098 - 2102
  • 13
  • [ 1181403-94-0 ]
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Reference: [1] Tetrahedron Asymmetry, 2008, vol. 19, # 10, p. 1224 - 1232
[2] Tetrahedron Asymmetry, 2008, vol. 19, # 21, p. 2497 - 2507
  • 14
  • [ 139711-03-8 ]
  • [ 139711-09-4 ]
  • [ 42327-52-6 ]
Reference: [1] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992, vol. 31, # 3, p. 156 - 162
[2] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992, vol. 31, # 3, p. 156 - 162
  • 15
  • [ 6279-84-1 ]
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Reference: [1] Australian Journal of Chemistry, 2008, vol. 61, # 2, p. 122 - 130
[2] Journal of the Chemical Society, 1950, p. 2272,2275
[3] Tetrahedron, 1989, vol. 45, # 18, p. 5895 - 5906
[4] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980, vol. &lt;B&gt; 19, # 6, p. 500 - 503
  • 16
  • [ 136167-42-5 ]
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Reference: [1] Organic and Biomolecular Chemistry, 2014, vol. 12, # 26, p. 4747 - 4753
  • 17
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Reference: [1] Organic and Biomolecular Chemistry, 2014, vol. 12, # 26, p. 4747 - 4753
  • 18
  • [ 41580-72-7 ]
  • [ 150-19-6 ]
  • [ 42327-52-6 ]
Reference: [1] Chemistry - An Asian Journal, 2016, vol. 11, # 5, p. 757 - 765
  • 19
  • [ 673-22-3 ]
  • [ 42327-52-6 ]
Reference: [1] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
  • 20
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Reference: [1] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
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Reference: [1] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
  • 22
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  • [ 42327-52-6 ]
Reference: [1] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992, vol. 31, # 3, p. 156 - 162
[2] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992, vol. 31, # 3, p. 156 - 162
  • 23
  • [ 139711-03-8 ]
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Reference: [1] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992, vol. 31, # 3, p. 156 - 162
  • 24
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Reference: [1] Patent: WO2014/209980, 2014, A1,
  • 25
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  • [ 42327-52-6 ]
Reference: [1] Journal of the Chemical Society, 1950, p. 2272,2275
  • 26
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  • [ 5751-52-0 ]
Reference: [1] Journal of Chemical Research - Part S, 1998, # 2, p. 88 - 89
  • 27
  • [ 24388-23-6 ]
  • [ 42327-52-6 ]
  • [ 22395-22-8 ]
Reference: [1] Organic and Biomolecular Chemistry, 2015, vol. 14, # 2, p. 777 - 784
[2] Bioorganic and Medicinal Chemistry Letters, 2017, vol. 27, # 11, p. 2613 - 2616
  • 28
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  • [ 71-43-2 ]
  • [ 22395-22-8 ]
Reference: [1] Angewandte Chemie, International Edition, 2012, vol. 51, # 45, p. 11333 - 11336,4
  • 29
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  • [ 41118-21-2 ]
Reference: [1] Bioorganic and Medicinal Chemistry Letters, 2006, vol. 16, # 8, p. 2071 - 2075
  • 30
  • [ 49855-03-0 ]
  • [ 42327-52-6 ]
  • [ 863309-86-8 ]
YieldReaction ConditionsOperation in experiment
67% at 67℃; for 1 h; 3-(2-Methoxyphenoxy)propanoic acid (5.61 mmol) and polyphosphoric (25 ml_) are combined and heated at 67 0C for 1 h. The reaction mixture is diluted with ice water (150 ml_) and the precipitated solids are collected by filtration, washed with water, and dried to provide 8-methoxy-2,3-dihydrochromen-4-one (Target C2) in 67percent yield as a brown solid.
Reference: [1] Patent: WO2009/55437, 2009, A2, . Location in patent: Page/Page column 59; 60
[2] Synthetic Communications, 1996, vol. 26, # 6, p. 1233 - 1245
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