Home > Organosilicon Compounds> (3β,5Z,7R,8α,22E)-3S-tert-Butyldimethylsilyl-9,10-secoergosta-5,10(19),22-triene-7,8-diol

(3β,5Z,7R,8α,22E)-3S-tert-Butyldimethylsilyl-9,10-secoergosta-5,10(19),22-triene-7,8-diol

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Origin: China

Cas No: 131852-63-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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Product Description

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CAS No.: 131852-63-6 Formula: C34H60O3Si Molecular Weight: 544.92400

Description

A derivative of Vitamin D, used as an intermediate for the preparation of Vitamin based antibiotics.

Basic Info

Chemical Name	(3β,5Z,7R,8α,22E)-3S-tert-Butyldimethylsilyl-9,10-secoergosta-5,10(19),22-triene-7,8-diol
Synonyms	4-{2-[5-(tert-Butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-1-hydroxy-ethyl}-7a-methyl-1-(1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-4-ol;
CAS No.	131852-63-6
Molecular Formula	C34H60O3Si
Molecular Weight	544.92400
PSA	49.69000
LogP	8.83610

Properties

Refractive Index	1.515

Synthesis Route

tert-butyldimethylsilyl chloride+(1R,3aR,4R,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-4-[(1R,2Z)-1-hydroxy-2-[(5S)-5-hydroxy-2-methylidenecyclohexylidene]ethyl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ol→(3β,5Z,7R,8α,22E)-3S-tert-Butyldimethylsilyl-9,10-secoergosta-5,10(19),22-triene-7,8-diol
Vitamin D2→(3β,5Z,7R,8α,22E)-3S-tert-Butyldimethylsilyl-9,10-secoergosta-5,10(19),22-triene-7,8-diol

Precursor

tert-butyldimethylsilyl chloride
(1R,3aR,4R,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-4-[(1R,2Z)-1-hydroxy-2-[(5S)-5-hydroxy-2-methylidenecyclohexylidene]ethyl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ol
Vitamin D2

Downstream Product

Vitamin D2

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