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351536-44-2

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351536-44-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 351536-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,1,5,3 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 351536-44:
(8*3)+(7*5)+(6*1)+(5*5)+(4*3)+(3*6)+(2*4)+(1*4)=132
132 % 10 = 2
So 351536-44-2 is a valid CAS Registry Number.

351536-44-2Downstream Products

351536-44-2Relevant articles and documents

Kinetic resolution of acyclic secondary allylic silyl ethers catalyzed by chiral ketones

Yang,Jiao,Yip,Lai,Wong

, p. 4619 - 4624 (2007/10/03)

Kinetic resolution of acyclic secondary allylic silyl ethers by chiral dioxiranes generated in situ from chiral ketones (R)-1 and (R)-2 and Oxone was investigated. An efficient and catalytic method has been developed for kinetic resolution of those substrates with a CCl3, tert-butyl, or CF3 group at the α-position. In particular, high selectivities (S up to 100) were observed for kinetic resolutions of racemic α-trichloromethyl allylic silyl ethers 7 and 9-15 catalyzed by ketones (R)-2. Both the recovered substrates and the resulting epoxides were obtained in high enantiomeric excess. On the basis of steric and electrostatic interactions between the chiral dioxiranes and the racemic substrates, a model was proposed to rationalize the enantioselectivities and diastereoselectivities in the chiral ketone-catalyzed kinetic resolution process.

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