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85909-02-0

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85909-02-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85909-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,9,0 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85909-02:
(7*8)+(6*5)+(5*9)+(4*0)+(3*9)+(2*0)+(1*2)=160
160 % 10 = 0
So 85909-02-0 is a valid CAS Registry Number.

85909-02-0Relevant articles and documents

Synthesis of Sulfoxonium Ylides from Amides by Selective N-C(O) Activation

Rahman, Md. Mahbubur,Szostak, Michal

supporting information, p. 4818 - 4822 (2021/06/28)

The direct synthesis of sulfoxonium ylides from amides by selective N-C(O) cleavage is presented. The reaction proceeds through the nucleophilic addition of dimethylsulfoxonium methylide to the amide bond in acyclic twisted amides under exceedingly mild r

Ball-milling enables highly selective solvent-free N-tert-butoxycarbonylation for activation of amides

Shi, Weijia,Sun, Guoping,Zou, Gang

supporting information, (2020/07/03)

A ball-milling enabled chemoselective activation of amides via N-tert-butoxycarbonylation catalyzed by 4-dimethylaminopyridine is described under solvent-free conditions. High chemoselectivity with respect to NH acidity of amides has been observed. A one-pot two-step procedure for selective esterification of amides has been demonstrated in model reaction of benzamides with p-cresol and benzyl alcohol.

Catalyst-Free, Metal-Free, and Chemoselective Transamidation of Activated Secondary Amides

Ramkumar, Rajagopal,Chandrasekaran, Srinivasan

, p. 921 - 932 (2019/02/10)

A simple protocol, which is catalyst-free, metal-free, and chemoselective, for transamidation of activated secondary amides in ethanol as solvent under mild conditions is reported. A wide range of amines, amino acids, amino alcohols, and the substituents, which are problematic in catalyzed transamidation, are tolerated in this methodology. The transamidation reaction was successfully extended to water as the medium as well. The present methodology appears to be better than the other catalyzed transamidations reported recently.

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