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112849-17-9

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  • High quality (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

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112849-17-9 Usage

Chemical Properties

White Solid

Uses

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

Check Digit Verification of cas no

The CAS Registry Mumber 112849-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,8,4 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 112849-17:
(8*1)+(7*1)+(6*2)+(5*8)+(4*4)+(3*9)+(2*1)+(1*7)=119
119 % 10 = 9
So 112849-17-9 is a valid CAS Registry Number.
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

112849-17-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

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

1.2 Other means of identification

Product number -
Other names (1S,3R,20R)-bis(tert-butyldimethylsilyloxy)-20-(3'-cyclopropyl-3'-oxyprop-1'(E)-enyl)-9,10-secopregna-5(E),7(E),10(19)-triene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

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More Details:112849-17-9 SDS

112849-17-9Relevant articles and documents

Efficient synthesis of novel oxime analogues of the hormone 1α, 25-dihydroxyvitamin D3Paper

Li, Hongliang,Fang, Zhijie,Dai, Huanran,Zhang, Hengrui,Liu, Yanan

, p. 368 - 372 (2015/08/18)

Calcitriol analogues which contained an oxime in the side chain were synthesised in five steps from an intermediate 22-nor Ketone. The key intermediate enones were synthesised by the Wittig-Horner olefination and Wittig olefination respectively. Reduction

STEREOSELECTIVE SYNTHESIS OF VITAMIN D ANALOGUES

-

Page/Page column 22-23, (2008/06/13)

The present invention relates to intermediates useful for the synthesis of calcipotriol or calcipotriol monohydrate, to methods of producing said intermediates, and to methods of stereoselectively reducing said intermediates.

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