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85810-81-7

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85810-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85810-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,1 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85810-81:
(7*8)+(6*5)+(5*8)+(4*1)+(3*0)+(2*8)+(1*1)=147
147 % 10 = 7
So 85810-81-7 is a valid CAS Registry Number.

85810-81-7Downstream Products

85810-81-7Relevant articles and documents

Highly enantioselective aza-henry reaction of ketimines catalyzed by a chiral bifunctional thiourea-tertiary amine derived from quinine

Fang, Yanhong,Lu, Ning,Wei, Zhonglin,Cao, Jungang,Liang, Dapeng,Lin, Yingjie,Duan, Haifeng

supporting information, p. 4371 - 4375 (2018/11/25)

We have developed a highly enantioselective aza-Henry reaction of aryl α-ketoester-derived N-Ts ketimines with a wide range of substrate scope by a simpler bifunctional thiourea-tertiary amine catalyst derived from quinine. A variety of ketimines were investigated and corresponding products were obtained in excellent yields (up to 99% yield) with excellent enatioselectivities (up to 99% ee).

Facile preparation of the methyl acetal of methyl phenylglyoxylate

Bovonsombat,McNelis

, p. 2361 - 2365 (2007/10/02)

The methyl acetal of methyl phenylglyoxylate has been prepared from halophenylethynes, N-iodosuccinimide and catalytic amounts of (hydroxy(p-tosyloxy)iodo)benzene or p-toluenesulfonic acid in methanol at room temperature.

Diphenylsilane Reduction of C=O and C=N Bearing Electron-Withdrawing Group in the Presence of Aluminium(III) Chloride

Hojo, Makoto,Hojo, Masahiro,Inoue, Yoshihiko,Tanimoto, Shigeo

, p. 2588 - 2592 (2007/10/02)

Several α-keto esters and methyl N-p-tolylsulfonyl-2-aryl-2-iminoacetates were reduced to the corresponding α-hydroxy esters and methyl N-p-tolylsulfonyl-2-arylglycinates in high yields by a combination of aluminium(III) chloride and diphenylsilane under operating conditions in which diphenylsilane was added to the pre-formed substrate-aluminium(III) chloride complex in dichloromethane and the mixture stirred.The case of an exactly equivalent amount of aluminium(III) chloride as the substrate resulted in good results.

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