112849-17-9

Basic information

• Product Name: (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one
• Synonyms: 1(S),3(R).20(R)-BIS(TERT-BUTYLDIMETHYLSILYLOXY)-20-(3'-CYCLOPROPYL-3'-OXYPROP-1'(E)-ENYL)-9,10-SECOPREGNA-5(E),10(19)TRIENE;2-Penten-1-one, 4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-, (2E,4R)-;(1a,3b,5E,7E,22E)-24-Cyclopropyl-1,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9,10-secochola-5,7,10(19),22-tetraen-24-one;(2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one;(R,E)-4-((1R,3aS,7aR,E)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldiMethylsilyloxy)-2-Methylenecyclohexylidene)ethylidene)-7a-Methyloctahydro-1H-inden-1-yl)-1-cyclopropylpent-2-en-1-one;(5E)-1,3-Bis-O-(tert-Butyldimethylsilyl)-24-oxo-calcipotriene;InterMediate G6/(2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)diMethylsilyl]oxy]-2-Methylenecyclohexylidene]ethylidene]octahyd
• CAS NO: 112849-17-9
• Molecular Formula: C₃₉H₆₆O₃Si₂
• Molecular Weight: 639.11
• Mol File: 112849-17-9.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 628.2 °C at 760 mmHg
• Flash Point: 277.1 °C
• Appearance: White crystal
• Density: 0.98
• Refractive Index: 1.511
• CAS DataBase Reference: (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one(CAS DataBase Reference)
• NIST Chemistry Reference: (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one(112849-17-9)
• EPA Substance Registry System: (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one(112849-17-9)

Safety Data

• Hazardous Substances Data: 112849-17-9(Hazardous Substances Data)

Usage

Uses

Intermediate in the preparation of Vitamin D (V676040) analogs.

Chemical Properties

White Solid

InChI:InChI=1/C39H66O3Si2/c1-27(16-23-35(40)30-18-19-30)33-21-22-34-29(15-14-24-39(33,34)9)17-20-31-25-32(41-43(10,11)37(3,4)5)26-36(28(31)2)42-44(12,13)38(6,7)8/h16-17,20,23,27,30,32-34,36H,2,14-15,18-19,21-22,24-26H2,1,3-13H3/b23-16+,29-17+,31-20+/t27-,32-,33-,34+,36+,39-/m1/s1

Upstream product

• 112849-15-7 (2-Cyclopropyl-2-oxoethyl)triphenyl-phosphoniuM BroMide 
• 112849-14-6 (24S)-MC 976 
• 112848-77-8 9-S-(4-azido-2-nitrophenyl)-5-acetamido-2,6-anhydro-2,3,5,9-tetradeoxy-9-thioglycerogalactonon-2-enonic acid 
• 112848-47-2 A-82846C 
• 112848-46-1 (4''R)-22-O-(3-Amino-3-C-methyl-2,3,6-trideoxy-α-L-arabino-hexopyranosyl)-10-dechloro-56-methylvancomycin 
• 112848-27-8 (5Z)-3-[(2-chlorophenyl)carbonyl]-5-[(3-methylphenyl)methylidene]-2-thioxoimidazolidin-4-one 
• 112848-19-8 16-Hydroxy Capsaicin 
• 1128-47-8 6-Methyl-1H-indole-2,3-dione 
• 112-84-5 cis-13-Docosenoamide 
• 1128-44-5 1H-Indole-2,3-dione,4-methyl- 
• 112844-39-0 (Ethyleneoxy)di-carbaMic Acid Diethyl Ester 
• 112842-07-6 2H-Pyran-4-carboxylicacid,2-ethoxy-3,4-dihydro-6-methyl-,methylester(6CI) 
• 1128-40-1 METHYL ALPHA-D-FUCOPYRANOSIDE 
• 112839-95-9 (S)-3-AMINO-2-OXETANONE P-TOLUENESULFONIC ACID SALT 

Downstream Products

• 112849-26-0 (5E,24R)-1,3-Bis-O-(tert-ButyldiMethylsilyl)-calcipotriene 
• 112849-27-1 Bis-TBDMS-trans-calcipotriol 
• 112851-89-5 oxphaman 
• 1128-52-5 5-phenyl-1,3-thiaselenole-2-thione 
• 1128-53-6 1-Phenyl-1H-pyrazol-4-amine 
• 112853-68-6 (4aR,11aS)-2-ethyl-2,3,4,4a,5,6,11,11a-octahydro-1H-pyrido[4,3-b]carbazole (2E)-but-2-enedioate 
• 112853-74-4 4-[(4aS,11aR)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]butan-2-one 
• 112853-75-5 4-[(4aS,11aS)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]butan-2-one 
• 112853-76-6 4-(1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl)butan-2-ol 
• 112853-79-9 N,N-dimethyl-3-[(4aR,11aS)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]propan-1-amine (2E)-but-2-enedioate 
• 112853-80-2 1-(4-fluorophenyl)-4-[(4aR,11aS)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]butan-1-one (2E)-but-2-enedioate 
• 112853-81-3 1-(4-fluorophenyl)-4-[(4aR,11aR)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]butan-1-one (2E)-but-2-enedioate 
• 112853-82-4 4-[(4aR,11aR)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]-1-phenylbutan-1-one (2E)-but-2-enedioate 
• 112853-82-4 4-[(4aR,11aR)-1,3,4,4a,5,6,11,11a-octahydro-2H-pyrido[4,3-b]carbazol-2-yl]-1-phenylbutan-1-one (2E)-but-2-enedioate 

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