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937701-79-6

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937701-79-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 937701-79-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,7,7,0 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 937701-79:
(8*9)+(7*3)+(6*7)+(5*7)+(4*0)+(3*1)+(2*7)+(1*9)=196
196 % 10 = 6
So 937701-79-6 is a valid CAS Registry Number.

937701-79-6Relevant articles and documents

Functionalized proline with double hydrogen bonding potential: Highly enantioselective Michael addition of carbonyl compounds to β-nitrostyrenes in brine

Saha, Satyajit,Seth, Saona,Moorthy, Jarugu Narasimha

supporting information; experimental part, p. 5281 - 5286 (2010/11/03)

Simple synthetic manipulation of S-proline allows access to prolinamides 5-7 as organocatalysts capable of double hydrogen bonding for enantioselective Michael addition reactions of carbonyl compounds to β-nitrostyrenes. It is shown that prolinamide catalyst 7 leads to addition products with a high diastereo- as well as enantioselectivity. The transition state structure involving the binding of electrophilic nitrostyrene via two H-bonds is believed to be further stabilized by π,π stacking interactions mediated by the tosyl ring.

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