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Home/Compounds/Pharmaceutical Intermediate/(R)-Methyl 4-((3R,5S,8S,9S,10S,13R,14S,17R)-3-(tert-butyldimethylsilyloxy)-10,13-dimethyl-7-(trimethylsilyloxy)-2,3,4,5,8,9,10,11,12,13,14,15,16,17-Tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
C34H62O4Si2
591 g/mol
Pharmaceutical Intermediate

(R)-Methyl 4-((3R,5S,8S,9S,10S,13R,14S,17R)-3-(tert-butyldimethylsilyloxy)-10,13-dimethyl-7-(trimethylsilyloxy)-2,3,4,5,8,9,10,11,12,13,14,15,16,17-Tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate

CAS91097-40-4
Category
Pharmaceutical Intermediate
Compound Class
Steroid
Primary Use
Pharmaceutical Intermediate

This compound is a silyl-protected steroid derivative used as a pharmaceutical intermediate in the synthesis of steroid-based active pharmaceutical ingredients. Its structure includes both tert-butyldimethylsilyl and trimethylsilyl protecting groups, which facilitate selective chemical transformations during steroid backbone construction.

Pharmaceutical intermediate for steroid synthesisBuilding block in custom steroid manufacturing

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Identifiers
IUPAC Name

methyl (4R)-4-[(3R,5S,8S,9S,10S,13R,14S,17R)-3-[tert-butyl(dimethyl)silyl]oxy-10,13-dimethyl-7-trimethylsilyloxy-2,3,4,5,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoate

InChIKey

LLDQVINTBNWOHR-VNCOJPLFSA-N

SMILES

C[C@H](CCC(=O)OC)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2C(=C[C@H]4[C@@]3(CC[C@H](C4)O[Si](C)(C)C(C)(C)C)C)O[Si](C)(C)C)C

Synonyms (2)

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