4-[(dimethyl-tert-butyl-silyl)thio]-phenylboronic acid
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane desilylation; | 88% |
trifluoroacetic acid
4-[(dimethyl-tert-butyl-silyl)thio]-phenylboronic acid
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
In dichloromethane equimolar amts., stirring overnight; evapn. (reduced pressure), crystn. (water); | 88% |
para-bromobenzenethiol
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 92 percent / sodium hydride in oil / tetrahydrofuran / 14 h / 20 °C 2.1: n-butyl lithium / tetrahydrofuran; hexane / 0.25 h / -78 °C 2.2: 77 percent / tri-isopropyl borate / tetrahydrofuran / 4 h / -78 - -20 °C 3.1: 88 percent / trifluoroacetic acid / CH2Cl2 View Scheme |
(4-bromophenylsulfanyl)-tert-butyldimethylsilane
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-butyl lithium / tetrahydrofuran; hexane / 0.25 h / -78 °C 1.2: 77 percent / tri-isopropyl borate / tetrahydrofuran / 4 h / -78 - -20 °C 2.1: 88 percent / trifluoroacetic acid / CH2Cl2 View Scheme |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water pH=11 - 12; Large scale; | 1.93 kg |
2,3-dimethyl-2,3-butane diol
4-mercaptophenylboronic acid
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenethiol
Conditions | Yield |
---|---|
With sodium sulfate at 20℃; for 16h; Inert atmosphere; | 100% |
With magnesium sulfate In diethyl ether at 20℃; | 98% |
With magnesium sulfate In cyclohexane at 20℃; | 98% |
ethyl bromoacetate
4-mercaptophenylboronic acid
{4-[(2-ethoxy-2-oxoethyl)thio]phenyl}boronic acid
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In acetonitrile at 20℃; for 18h; | 100% |
triphenylmethyl alcohol
4-mercaptophenylboronic acid
4-(tritylsulfanyl)phenylboronic acid
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; for 1h; | 95% |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
In dichloromethane at 40℃; for 0.5h; | 95% |
Conditions | Yield |
---|---|
In toluene at 20℃; for 24h; Molecular sieve; Glovebox; | 94.8% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile at 100℃; Suzuki coupling; Microwave irradiation; | 88% |
1,3-diphenyl-1,3-propanediol
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
In tetrahydrofuran for 0.5h; Esterification; | 86% |
In tetrahydrofuran equimolar amts., stirring for 30 min; drying (Na2SO4), filtration, evapn., chromy. (SiO2, CH2Cl2); | 86% |
N-Methyldiethanolamine
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
In tetrahydrofuran for 0.5h; Esterification; | 85% |
N-Methyldiethanolamine
4-mercaptophenylboronic acid
2-(4-mercaptophenyl)-6-methyl-1,3,6,2-dioxaazaborocane
Conditions | Yield |
---|---|
In tetrahydrofuran 1.1 equiv. of amine, stirring for 30 min; Et2O addn., washing (water), drying (Na2SO4), evapn.; | 85% |
3-bromopropanol methyl ether
4-mercaptophenylboronic acid
(4-{[3-(methoxy)propyl]thio}phenyl)boronic acid
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In acetonitrile at 20℃; | 81% |
bromoacetic acid tert-butyl ester
4-mercaptophenylboronic acid
4-(((butyloxycarbonyl)methyl)thio)phenylboronic acid
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In acetonitrile for 20h; Alkylation; | 71% |
With potassium carbonate; sodium iodide In acetonitrile 1.5 equiv. of K2CO3 and t-BuO2CCH2Br, 0.15 equiv. NaI, stirring for 20 h; evapn. (reduced pressure), water addn., extn. into CH2Cl2, washing (water), drying (Na2SO4), chromy. (SiO2, 2% MeOH in CH2Cl2); | 71% |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide addn. of DMF soln. of pyridine deriv. to DMF soln. of palladium compd., stirring at room temp. for 1 h; ppn. with diethyl ether, centrifugation, washing with diethyl ether, elem. anal.; | 63% |
bis(acetonitrile)decacarbonyltriosmium
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; | 63% |
4-mercaptophenylboronic acid
methyl iodide
(4-thiomethoxyphenyl)boronic acid
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile Methylation; | 61% |
With potassium carbonate In acetonitrile excess of MeI, stirring overnight; water addn., extn. into CH2Cl2, washing (water), drying (Na2SO4), evapn. (reduced pressure), recrystn. (Et2O); | 61% |
2-bromo-5-(3-methoxyphenyl)thiophene
4-mercaptophenylboronic acid
4-[5-(3-methoxyphenyl)-2-thienyl]benzenethiol
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,2-dimethoxyethane; ethanol; water at 150℃; under 11251.1 Torr; for 0.25h; Suzuki coupling; Microwave irradiation; | 61% |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
With caesium carbonate In tetrahydrofuran at 130℃; for 6h; Microwave irradiation; | 53% |
bromo-acetic acid amide
4-mercaptophenylboronic acid
{4-[(2-amino-2-oxoethyl)thio]phenyl}boronic acid
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 20℃; | 49% |
2-chloro-6-(1-oxo-[4-methoxyphenyl]methyl)pyrazine
4-mercaptophenylboronic acid
6-(4-mercaptophenyl)-2-((4-methoxyphenyl)carbonyl)pyrazine
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water for 5h; Suzuki-Miyaura cross-coupling; Inert atmosphere; Reflux; | 43% |
3-cyanopropyl(dimethyl)(vinyl)silane
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
With di-tert-butyl peroxide at 100℃; for 6h; Inert atmosphere; Sealed tube; | 43% |
Conditions | Yield |
---|---|
In 1,2-dichloro-ethane at 80℃; | 42% |
4-(chloromethyl)-3-(2,6-dichlorophenyl)-5-(propan-2-yl)-1,2-oxazole
4-mercaptophenylboronic acid
[4-({[3-(2,6-dichlorophenyl)-5-(1-methylethyl)-4-isoxazolyl]methyl}thio)phenyl]boronic acid
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 60℃; for 24h; |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 85 percent / tetrahydrofuran / 0.5 h 2: 65 percent / potassium carbonate; sodium iodide / acetonitrile / 20 h 3: 80 percent / trifluoroacetic acid / CH2Cl2 View Scheme | |
Multi-step reaction with 2 steps 1: 71 percent / potassium carbonate; sodium iodide / acetonitrile / 20 h 2: 80 percent / trifluoroacetic acid / CH2Cl2 View Scheme |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / tetrahydrofuran / 0.5 h 2: 65 percent / potassium carbonate; sodium iodide / acetonitrile / 20 h View Scheme |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 86 percent / tetrahydrofuran / 0.5 h 2: 70 percent / potassium carbonate; sodium iodide / acetonitrile / 20 h 3: 54 percent / trifluoroacetic acid / CH2Cl2 / 2 h View Scheme |
4-mercaptophenylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 86 percent / tetrahydrofuran / 0.5 h 2: 70 percent / potassium carbonate; sodium iodide / acetonitrile / 20 h View Scheme |
4,4'-Dimethoxybenzhydrol
4-mercaptophenylboronic acid
4-(4,4'-dimethoxybenzhydryl)thiophenylboronic acid
Conditions | Yield |
---|---|
With acetic acid at 60℃; for 1h; | |
In acetic acid at 60℃; for 1h; | |
In acetic acid | |
With acetic acid at 60℃; for 1h; |
The Boronic acid,B-(4-mercaptophenyl)-, with the CAS registry number 237429-33-3, has the systematic name of (4-sulfanylphenyl)boronic acid. It belongs to the following product categories: Benzene Series; Boronic Acid; Aryl; Boronic Acids; Boronic Acids and Derivatives; Boronic Acids. And the molecular formula of the chemical is C6H7BO2S.
The characteristics of Boronic acid,B-(4-mercaptophenyl)- are as followings: (1)ACD/LogP: 1.89; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.75; (4)ACD/LogD (pH 7.4): 0.39; (5)ACD/BCF (pH 5.5): 11.58; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 182.9; (8)ACD/KOC (pH 7.4): 7.95; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 43.76 Å2; (13)Index of Refraction: 1.594; (14)Molar Refractivity: 41.13 cm3; (15)Molar Volume: 121.1 cm3; (16)Polarizability: 16.3×10-24cm3; (17)Surface Tension: 50.5 dyne/cm; (18)Density: 1.27 g/cm3; (19)Flash Point: 153 °C; (20)Enthalpy of Vaporization: 60.36 kJ/mol; (21)Boiling Point: 329.4 °C at 760 mmHg; (22)Vapour Pressure: 7.17E-05 mmHg at 25°C.
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: OB(O)c1ccc(S)cc1
(2)InChI: InChI=1/C6H7BO2S/c8-7(9)5-1-3-6(10)4-2-5/h1-4,8-10H
(3)InChIKey: AUVSUPMVIZXUOG-UHFFFAOYAO
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