Home > Organosilicon Compounds> (E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-en-1-ol

(E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-en-1-ol

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Origin: China

Cas No: 112875-61-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 112875-61-3 Formula: C39H68O3Si2 Molecular Weight: 641.12600

Description

1,3-Bis(O-TBDMS)-Calcipotriene is the tert-Butyldimethylsilyl ether conjugate of Calcipotriene, a vitamin D3 analogue with potential antitumor activities.

Basic Info

Chemical Name	(E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-en-1-ol
Synonyms	1,3-Bis-O-(tert-butyldimethylsilyl)calcipotriene; (1S,3R)-bis(tert-butyldimethylsilyloxy)-20(R)-(3'(S)-cyclopropyl-3'-hydroxyprop-1'(E)-enyl)-9,10-secopregna-5(Z),7(E),10(19)-triene; UNII-4SP93VP62P; 1(S),3(R)-bis(tert-butyl-dimethylsilyloxy)-20(R)-(3'-cyclopropyl-3(S)'-hydroxyprop-1'(E)-enyl)-9,10-secopregna-5(Z),7(E),10(19)-triene;
CAS No.	112875-61-3
Molecular Formula	C39H68O3Si2
Molecular Weight	641.12600
PSA	38.69000
LogP	11.14960

Synthesis Route

Bis-TBDMS-trans-calcipotriol→(E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-en-1-ol
(((1R,3S,Z)-5-(2-((1R,3aS,7aR,E)-1-((S)-but-3-yn-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)+Cyclopropanecarboxaldehyde→(E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-en-1-ol
Cyclopropyl methyl ketone→(E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-en-1-ol

Precursor

tert-butyldimethylsilyl chloride
Bis-TBDMS-trans-calcipotriol
(((1R,3S,Z)-5-(2-((1R,3aS,7aR,E)-1-((S)-but-3-yn-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)
Cyclopropyl methyl ketone

Downstream Product

calcipotriol

Hot tags: (e,1s,4r)-4-[(1r,3as,4e,7ar)-4-[(2z)-2-[(3s,5r)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1h-inden-1-yl]-1-cyclopropylpent-2-en-1-ol, China, manufacturers, suppliers, factory, wholesale, low price, high quality