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1197208-65-3

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1197208-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197208-65-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,2,0 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1197208-65:
(9*1)+(8*1)+(7*9)+(6*7)+(5*2)+(4*0)+(3*8)+(2*6)+(1*5)=173
173 % 10 = 3
So 1197208-65-3 is a valid CAS Registry Number.

1197208-65-3Downstream Products

1197208-65-3Relevant articles and documents

New polymer-supported mono- And bis-cinchona alkaloid derivatives: Synthesis and use in asymmetric organocatalyzed reactions

Jumde, Ravindra P.,Di Pietro, Anila,Manariti, Antonella,Mandoli, Alessandro

, p. 397 - 404 (2015)

The straightforward synthesis of polystyrene-supported Chinchona alkaloids and their application in the asymmetric dimerization of ketenes is reported. Six different immobilized derivatives, consisting of three dimeric and two monomeric 9-O ethers, were p

Long-Lived Polymer-Supported Dimeric Cinchona Alkaloid Organocatalyst in the Asymmetric α-Amination of 2-Oxindoles

Jumde, Ravindra P.,Mandoli, Alessandro

, p. 4281 - 4285 (2016/07/12)

Nearly quantitative yields and high enantiomeric purity (89-95% ee) were attained in the course of 100 reaction cycles of a polystyrene resin-supported Cinchona alkaloid organocatalyst in the enantioselective α-amination of 2-oxindoles with diethyl azodicarboxylate. The catalytic material proved stable for >5300 h operation time over 8 months.

Expanding the scope of cinchona alkaloid-catalyzed enantioselective α-aminations of oxindoles: A versatile approach to optically active 3-amino-2-oxindole derivatives

Bui, Tommy,Borregan, Mar,Barbas III, Carlos F.

supporting information; experimental part, p. 8935 - 8938 (2010/03/04)

(Chemical Equation Presented) A cinchona alkaloid-catalyzed, highly enantioselective, α-amination of oxindoles has been developed. The reaction is general, operationally simple, and affords the desired products in high yields with good to excellent enanti

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