Cas 270901-33-2,2-(3-<i>tert</i>-butoxycarbonylamino-2,2-dimethyl-propionyloxy)-4-methyl-pentanoic acid 4-[2-(3-chloro-4-methoxy-phenyl)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-1-(2,3-dihydroxy-1-methyl-3-phenyl-propyl)-but-3-enyl ester

270901-33-2

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Product Name: 2-(3-tert-butoxycarbonylamino-2,2-dimethyl-propionyloxy)-4-methyl-pentanoic acid 4-[2-(3-chloro-4-methoxy-phenyl)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-1-(2,3-dihydroxy-1-methyl-3-phenyl-propyl)-but-3-enyl ester
Synonyms: 2-(3-tert-butoxycarbonylamino-2,2-dimethyl-propionyloxy)-4-methyl-pentanoic acid 4-[2-(3-chloro-4-methoxy-phenyl)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-1-(2,3-dihydroxy-1-methyl-3-phenyl-propyl)-but-3-enyl ester
CAS NO:270901-33-2
Molecular Formula:
Molecular Weight: 936.752
EINECS: N/A
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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: 2-(3-tert-butoxycarbonylamino-2,2-dimethyl-propionyloxy)-4-methyl-pentanoic acid 4-[2-(3-chloro-4-methoxy-phenyl)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-1-(2,3-dihydroxy-1-methyl-3-phenyl-propyl)-but-3-enyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-(3-tert-butoxycarbonylamino-2,2-dimethyl-propionyloxy)-4-methyl-pentanoic acid 4-[2-(3-chloro-4-methoxy-phenyl)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-1-(2,3-dihydroxy-1-methyl-3-phenyl-propyl)-but-3-enyl ester(270901-33-2)
EPA Substance Registry System: 2-(3-tert-butoxycarbonylamino-2,2-dimethyl-propionyloxy)-4-methyl-pentanoic acid 4-[2-(3-chloro-4-methoxy-phenyl)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-1-(2,3-dihydroxy-1-methyl-3-phenyl-propyl)-but-3-enyl ester(270901-33-2)

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: 270901-33-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 270901-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,0,9,0 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 270901-33:
(8*2)+(7*7)+(6*0)+(5*9)+(4*0)+(3*1)+(2*3)+(1*3)=122
122 % 10 = 2
So 270901-33-2 is a valid CAS Registry Number.

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270901-33-2Relevant academic research and scientific papers

Synthesis of Cryptophycin 52 Using the Sharpless Asymmetric Dihydroxylation: Diol to Epoxide Transformation Optimized for a Base-Sensitive Substrate

Liang, Jian,Moher, Eric D.,Moore, Richard E.,Hoard, David W.

, p. 3143 - 3147 (2000)

A synthesis of cryptophycin 52 (2) is reported using a Sharpless asymmetric dihydroxylation (AD) strategy to install the epoxide moiety. The high stereoselectivity of the AD reaction that allows for an efficient means of preparing the epoxide is in contrast to the standard direct epoxidation of cryptophycin substrates, which proceeds with poor diastereoselectivity. Methodology for conversion of the diol AD product to the requisite epoxide is disclosed. The transformation has been optimized to proceed in high yield in the presence of base sensitive functionality.

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