4-(tert-Butyldimethylsilyloxy)phenylboronic acid

Modify Date: 2025-08-20 16:44:09

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure
4-(tert-Butyldimethylsilyloxy)phenylboronic acid structure
Common Name 4-(tert-Butyldimethylsilyloxy)phenylboronic acid
CAS Number 159191-56-7 Molecular Weight 252.190
Density 1.0±0.1 g/cm3 Boiling Point 321.4±44.0 °C at 760 mmHg
Molecular Formula C12H21BO3Si Melting Point 194-198ºC(lit.)
MSDS Chinese USA Flash Point 148.2±28.4 °C

 Names

Name 4-(tert-butyldimethylsilyloxy)phenylboronic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 321.4±44.0 °C at 760 mmHg
Melting Point 194-198ºC(lit.)
Molecular Formula C12H21BO3Si
Molecular Weight 252.190
Flash Point 148.2±28.4 °C
Exact Mass 252.135300
PSA 49.69000
LogP -0.02
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.490

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
RIDADR NONH for all modes of transport
WGK Germany 3.0
HS Code 2931900090

 Synthetic Route

~94%

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure

4-(tert-Butyldi...

CAS#:159191-56-7

Literature: Hajduk; Sheppard; Nettesheim; Olejniczak; Shuker; Meadows; Steinman; Carrera Jr.; Marcotte; Severin; Walter; Smith; Gubbins; Simmer; Holzman; Morgan; Davidsen; Summers; Fesik Journal of the American Chemical Society, 1997 , vol. 119, # 25 p. 5818 - 5827

~61%

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure

4-(tert-Butyldi...

CAS#:159191-56-7

Literature: CHUGAI SEIYAKU KABUSHIKI KAISHA Patent: US2011/275703 A1, 2011 ; Location in patent: Page/Page column 35 ;

~94%

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure

4-(tert-Butyldi...

CAS#:159191-56-7

Literature: Bursavich; West; Rich Organic letters, 2001 , vol. 3, # 15 p. 2317 - 2320

~%

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure

4-(tert-Butyldi...

CAS#:159191-56-7

Literature: Journal of the American Chemical Society, , vol. 119, # 25 p. 5818 - 5827

~66%

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure

4-(tert-Butyldi...

CAS#:159191-56-7

Literature: Sunden, Henrik; Ma, Jian-Nong; Hansen, Lars K.; Gustavsson, Anna-Lena; Burstein, Ethan S.; Olsson, Roger ChemMedChem, 2013 , vol. 8, # 8 p. 1283 - 1294

~%

4-(tert-Butyldimethylsilyloxy)phenylboronic acid Structure

4-(tert-Butyldi...

CAS#:159191-56-7

Literature: Journal of the American Chemical Society, , vol. 119, # 25 p. 5818 - 5827

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

4-(tert-Butyldimethylsilyloxy)benzeneboronic Acid
Boronic acid, B-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]-
[4-[tert-butyl(dimethyl)silyl]oxyphenyl]boronic acid
(4-{[tert-Butyl(dimethyl)silyl]oxy}phenyl)boronic acid
(4-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}phenyl)boronic acid
4-(tert-Butyldimethylsilyloxy)phenylboronic acid
MFCD03093888
4-(tert-Butyldimethylsiloxy)phenyl boronic acid
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