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[ CAS No. 76-09-5 ] {[proInfo.proName]}

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Chemical Structure| 76-09-5
Chemical Structure| 76-09-5
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Product Details of [ 76-09-5 ]

CAS No. :76-09-5 MDL No. :MFCD00004462
Formula : C6H14O2 Boiling Point : -
Linear Structure Formula :((CH3)2(OH)C)2 InChI Key :IVDFJHOHABJVEH-UHFFFAOYSA-N
M.W : 118.17 Pubchem ID :6425
Synonyms :

Calculated chemistry of [ 76-09-5 ]      Expand+

Physicochemical Properties

Num. heavy atoms : 8
Num. arom. heavy atoms : 0
Fraction Csp3 : 1.0
Num. rotatable bonds : 1
Num. H-bond acceptors : 2.0
Num. H-bond donors : 2.0
Molar Refractivity : 33.36
TPSA : 40.46 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -6.96 cm/s

Lipophilicity

Log Po/w (iLOGP) : 1.64
Log Po/w (XLOGP3) : 0.09
Log Po/w (WLOGP) : 0.53
Log Po/w (MLOGP) : 0.61
Log Po/w (SILICOS-IT) : 0.13
Consensus Log Po/w : 0.6

Druglikeness

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

Water Solubility

Log S (ESOL) : -0.56
Solubility : 32.3 mg/ml ; 0.273 mol/l
Class : Very soluble
Log S (Ali) : -0.49
Solubility : 37.9 mg/ml ; 0.32 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -0.33
Solubility : 55.9 mg/ml ; 0.473 mol/l
Class : Soluble

Medicinal Chemistry

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

Safety of [ 76-09-5 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330 UN#:N/A
Hazard Statements:H302-H315-H319 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 76-09-5 ]

* 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 [ 76-09-5 ]
  • Downstream synthetic route of [ 76-09-5 ]

[ 76-09-5 ] Synthesis Path-Upstream   1~5

  • 1
  • [ 76-09-5 ]
  • [ 374790-93-9 ]
Reference: [1] Journal of the American Chemical Society, 2016, vol. 138, # 30, p. 9521 - 9532
  • 2
  • [ 76-09-5 ]
  • [ 1993-03-9 ]
  • [ 18107-18-1 ]
  • [ 517920-60-4 ]
YieldReaction ConditionsOperation in experiment
81%
Stage #1: at 60℃; for 4 h;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran; 1,4-dioxane; water at 60℃; for 4 h;
To a 10 mL reaction tube equipped with a magnet was added 56 mg (0.4 mmol) of 2-fluorobenzeneboronic acid, 0.6 mL (1.2 mmol) of trimethylsilyl diazomethane (2 M n-hexane solution), 1 mL of toluene was added to the system, The rubber stopper was stoppered and reacted on an electromagnetic heating stirrer at 60 ° C for 4 hours.(0.4 mmol) of tetramethylammonium fluoride (1 M tetrahydrofuran solution) and 200 uL of water were added to an electromagnetic heating stirrer at 60 ° C On the reaction for 4 hours.After completion of the reaction, the organic solvent was removed by a rotary evaporator and purified by column chromatography2-fluorobenzyl boronic acid pinacol ester, its structure is as follows:The compound was a colorless liquid in a yield of 81percent and its NMR data was as follows:
Reference: [1] Patent: CN105884808, 2016, A, . Location in patent: Paragraph 0148; 0149; 0150; 0151; 0152; 0153
  • 3
  • [ 76-09-5 ]
  • [ 179117-44-3 ]
Reference: [1] Tetrahedron Letters, 2013, vol. 54, # 2, p. 166 - 169
  • 4
  • [ 76-09-5 ]
  • [ 1003845-06-4 ]
  • [ 1003845-08-6 ]
YieldReaction ConditionsOperation in experiment
100% With magnesium sulfate In toluene at 20℃; for 15 h; 34). Synthesis of 2-chloro-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrimidine; To a solution of 5-bromo-2-chloro-pyrimidine (10 mmol, 1.93 g) and triisopropyl borate (12 mmol, 2.8 ml.) in toluene (16 ml) and THF (4 mi_) is added n-buty. lithium \\r, hexane (1.58 M, 12 mmol, 7.6 mL) dropwise at -78 0C over 45 min and stirred at -78 0C for 1 hour. The mixture is warmed to -20 0C, then added aq. hydrogen chloride (1M, 20 mL). The mixture is warmed to room temperature. The precipitate is collected and washed with hexane to give a colorless powder (808 mg, 51percent). A mixture of the powder (3.63 mmol, 575 mg), pinacol (3.81 mmol, 450 mg) and MgSO4 (18.15 mmol, 2.2 g) in toluene (10 mL) is <n="192"/>stirred at room temperature for 15 hour. The mixture is filtrated and the solution is concentrated under reduced pressure. The resultant solid is washed with water to give 2- chloro-5-(4,4,5,5-tetramethyl-[1 ,3,2]dioxaborolan-2-yl)-pyrimidine (875 mg, quant); ESI-MS m/z: 159 [M+1-pinacol]\\ Retention time 1.75 min (condition A).
100% With magnesium sulfate In toluene at 20℃; for 15 h; Example 14; 1)
Synthesis of 2-chloro-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrimidine
To a solution of 5-bromo-2-chloro-pyrimidine (10 mmol, 1.93 g) and triisopropyl borate (12 mmol, 2.8 mL) in toluene (16 mL) and THF (4 mL) is added n-butyl lithium in hexane (1.58 M, 12 mmol, 7.6 mL) dropwise at -78° C. over 45 min and stirred at -78° C. for 1 hour.
The mixture is warmed to -20° C., then added aqueous 1 M HCl (20 mL).
The mixture is warmed to room temperature.
The precipitate is collected and washed with hexane to give a colorless powder (808 mg, 51percent).
A mixture of the powder (3.63 mmol, 575 mg), pinacol (3.81 mmol, 450 mg) and MgSO4 (18.15 mmol, 2.2 g) in toluene (10 mL) is stirred at room temperature for 15 hour.
The mixture is filtrated and the solution is concentrated under reduced pressure.
The resultant solid is washed with water to give 2-chloro-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrimidine (875 mg, quant); ESI-MS m/z: 159 [M+1-pinacol]+, Retention time 1.75 min (condition A).
Reference: [1] Patent: WO2008/9435, 2008, A1, . Location in patent: Page/Page column 189-190
[2] Patent: US2009/118287, 2009, A1, . Location in patent: Page/Page column 67-68
  • 5
  • [ 76-09-5 ]
  • [ 100-63-0 ]
  • [ 1002334-12-4 ]
Reference: [1] Patent: CN105440067, 2016, A, . Location in patent: Paragraph 0018
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