Cas 332888-22-9,(3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-17-((Z)-(R)-2-cyclohexyloxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-16-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene

332888-22-9

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Basic information

Product Name: (3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-17-((Z)-(R)-2-cyclohexyloxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-16-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene
Synonyms: (3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-17-((Z)-(R)-2-cyclohexyloxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-16-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene
CAS NO:332888-22-9
Molecular Formula:
Molecular Weight: 683.219
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-17-((Z)-(R)-2-cyclohexyloxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-16-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene(CAS DataBase Reference)
NIST Chemistry Reference: (3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-17-((Z)-(R)-2-cyclohexyloxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-16-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene(332888-22-9)
EPA Substance Registry System: (3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-17-((Z)-(R)-2-cyclohexyloxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-16-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene(332888-22-9)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 332888-22-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 332888-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,2,8,8 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 332888-22:
(8*3)+(7*3)+(6*2)+(5*8)+(4*8)+(3*8)+(2*2)+(1*2)=159
159 % 10 = 9
So 332888-22-9 is a valid CAS Registry Number.

332888-22-9Upstream product

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332888-22-9Relevant academic research and scientific papers

Total synthesis of the anticancer natural product OSW-1

Yu, Wensheng,Jin, Zhendong

, p. 6576 - 6583 (2002)

The highly potent anticancer natural saponin OSW-1 has been successfully synthesized from commercially available 5-androsten-3β-ol-17-one 79 in 10 operations with 28% overall yield. The key steps in the total synthesis included a highly regio- and stereoselective selenium dioxide-mediated allylic oxidation of 80 and a highly stereoselective 1,4-addition of α-alkoxy vinyl cuprates 68 to steroid 17(20)-en-16-one 12E to introduce the steroid side chain. This total synthesis demonstrated once again the versatile synthetic applications of α-halo vinyl ether chemistry developed in our laboratories.

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