Cas 178207-67-5,(3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one

178207-67-5

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Basic information

Product Name: (3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one
Synonyms: (3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one
CAS NO:178207-67-5
Molecular Formula:
Molecular Weight: 407.701
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: (3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one(178207-67-5)
EPA Substance Registry System: (3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one(178207-67-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 178207-67-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 178207-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,0 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 178207-67:
(8*1)+(7*7)+(6*8)+(5*2)+(4*0)+(3*7)+(2*6)+(1*7)=155
155 % 10 = 5
So 178207-67-5 is a valid CAS Registry Number.

178207-67-5Upstream product

120743-99-9 p-[(tert-butyldimethylsilyl)oxy]benzaldehyde

178207-67-5Downstream Products

178207-68-6 (3R,4S)-1-Benzoyl-3-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-azetidin-2-one

178207-67-5Relevant academic research and scientific papers

Preparation of phenolic paclitaxel metabolites

Park, Haeil,Hepperle, Michael,Boge, Thomas C.,Himes, Richard H.,Georg, Gunda I.

, p. 2705 - 2709 (1996)

The synthesis and biological evaluation of the two known phenolic metabolites of paclitaxel are described. The C3'-phenolic metabolite 2 of paclitaxel was prepared from 7-(triethylsilyl)-baccatin III (8) and enantioenriched N-benzoyl-2-azetidinone 7. The C2-phenolic metabolite 3 was synthesized from paclitaxel (1a) via selective C2 debenzoylation and reacylation.

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