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[ CAS No. 4441-56-9 ] {[proInfo.proName]}

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Chemical Structure| 4441-56-9
Chemical Structure| 4441-56-9
Structure of 4441-56-9 * Storage: {[proInfo.prStorage]}
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Product Details of [ 4441-56-9 ]

CAS No. :4441-56-9 MDL No. :MFCD01311824
Formula : C6H13BO2 Boiling Point : -
Linear Structure Formula :- InChI Key :XDRVAZAFNWDVOE-UHFFFAOYSA-N
M.W : 127.98 Pubchem ID :199578
Synonyms :

Calculated chemistry of [ 4441-56-9 ]

Physicochemical Properties

Num. heavy atoms : 9
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 : 37.98
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) : -5.99 cm/s

Lipophilicity

Log Po/w (iLOGP) : 0.0
Log Po/w (XLOGP3) : 1.54
Log Po/w (WLOGP) : 0.79
Log Po/w (MLOGP) : 0.21
Log Po/w (SILICOS-IT) : -0.62
Consensus Log Po/w : 0.39

Druglikeness

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

Water Solubility

Log S (ESOL) : -1.54
Solubility : 3.71 mg/ml ; 0.029 mol/l
Class : Very soluble
Log S (Ali) : -2.0
Solubility : 1.28 mg/ml ; 0.01 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -0.17
Solubility : 86.9 mg/ml ; 0.679 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 1.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 2.18

Safety of [ 4441-56-9 ]

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 [ 4441-56-9 ]

* 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 [ 4441-56-9 ]
  • Downstream synthetic route of [ 4441-56-9 ]

[ 4441-56-9 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 76-09-5 ]
  • [ 4441-56-9 ]
  • [ 87100-15-0 ]
YieldReaction ConditionsOperation in experiment
90% With magnesium sulfate In diethyl ether at 20℃; for 16 h; Inert atmosphere; Schlenk technique General procedure: A mixture of boronic acid (1.0 equiv), pinacol (1.0 equiv) and anhydrous MgSO4 (4.0 equiv) in Et2O (0.5 M) was stirred at r.t. for 16 h. The reaction mixture was filtered and the solvent removed in vacuo. The crude material was purified by distillation or flash column chromatography to give the pure boronic ester.
14.8 g at 0℃; for 72 h; Inert atmosphere Magnesium chippings (3.8 g, 156 mmol, 1.0 eq.) were added to a dried flaskunder argon atmosphere and suspended with dry Et2O (20 mL). A small amount(10 mL) of a solution of cyclohexyl bromide (19.2 mL, 156 mmol, 1.0 eq.) in dryEt2O (200 mL) was added to the magnesium and the activation of the Grignardformation was accelerated by addition of an iodine crystal and heating.Afterwards, the rest of the solution of cyclohexyl bromide in (19.2 mL, 156 mmol, 1.0 eq.) in Et2O(200 mL) was added dropwise over 2 h. The reaction mixture was heated to reflux for 1 h and thenstirred for 17 h.[*a] The reaction mixture was transferred via decantation under a constant flow of argoninto a well dried addition funnel and added dropwise to a solution of trimethyl borate (17.7 mL, 159mmol, 1.02 eq) in Et2O (450 mL) at -78 °C for 2 h. The reaction mixture was then quenched bydropwise addition of HCl (10 wt.percent, 200 mL) and extracted with Et2O (2 x 100 mL), dried over MgSO4and the solvent was removed in vacuo to give c-hex-B(OH)2 as a white solid (Crude: 15.96 g, 125mmol, 80percent). The solid residue was used without further purification and dissolved in dry Et2O(150 mL). Pinacol (17.9 g, 151 mmol, 1.2 eq.) was added in portions at 0 °C and then the reactionmixture was stirred for 72 h.[*b] As a desiccant MgSO4 (5 g) was added to the reaction mixture andstirring was continued for 48 h.[*c] Then the residue was filtered over celite and washed with Et2O (2 x25 mL) and the solvent was removed in vacuo to give a colorless oil. The residue was purified bydistillation (b.p. 65-80 °C, at 4.7-5.0 mbar). The product, c-hex-B(pin) (6) was obtained as a colorlessoil (14.8 g, 70.4 mmol, 56percent).
Reference: [1] Journal of the American Chemical Society, 2012, vol. 134, # 27, p. 11298 - 11298
[2] Synthesis (Germany), 2016, vol. 48, # 19, p. 3241 - 3253
[3] Journal of the American Chemical Society, 2018, vol. 140, # 44, p. 14677 - 14686
[4] Journal of the American Chemical Society, 2017, vol. 139, # 28, p. 9519 - 9522
[5] Synlett, 2018, vol. 29, # 8, p. 1092 - 1094
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