Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate

(3R)-叔丁基二甲硅氧基-5-氧代-6-三苯基膦烯己酸甲酯

Also known as: Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanate, methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-(triphenylphosphoranylidene)hexanoate, methyl (3R)-3-{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-5-oxo-6-(triphenylphosphoranylidene)hexanoate, methyl (3R)-3[[tert-butyl-(dimethyl)silyl]oxy]-5-oxo-6-(triphenylphosphoranylidine)hexanoate, methyl-(3R)-3-[(terbutyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidene hexanoate, Hexanoic acid, 3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5-oxo-6-(triphenylphosphoranylidene)-, methyl ester, (3R)-, rosuvastatin intermediates J-6, B-8

Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate (CAS 147118-35-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C31H39O4PSi and a molecular weight of 534.698 g/mol. It is also known as Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanate, methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-(triphenylphosphoranylidene)hexanoate and methyl (3R)-3-{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-5-oxo-6-(triphenylphosphoranylidene)hexanoate. Key properties include a melting point of 77.5-78.5ºC, a boiling point of 603.9±65.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 319.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

147118-35-2

Jingsj CID

J-1498183-4

Molecular Formula

C₃₁H₃₉O₄PSi

Chinese Name

(3R)-叔丁基二甲硅氧基-5-氧代-6-三苯基膦烯己酸甲酯

Molecular Weight

534.698 g/mol

Category

Organic Acids

Last updated

8/21/2026