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68820-79-1

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68820-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68820-79-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,2 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68820-79:
(7*6)+(6*8)+(5*8)+(4*2)+(3*0)+(2*7)+(1*9)=161
161 % 10 = 1
So 68820-79-1 is a valid CAS Registry Number.

68820-79-1Relevant articles and documents

Applications of conformational design: Rational resign of chiral ligands derived from a common chiral source for highly enantioselective preparations of (R)- and (S)-enantiomers of secondary alcohols

Wang, Min-Can,Wang, Yong-Hui,Li, Gao-Wei,Sun, Ping-Ping,Tian, Jie-Xi,Lu, Hui-Jie

scheme or table, p. 761 - 768 (2011/08/06)

A pair of diastereomers 7 and 8 were easily synthesized in only two steps from a single common chiral source according to the concept of conformation design. The efficiency of these chiral ligands was evaluated by their application to the asymmetric addition of diethylzinc to aldehydes. This catalytic asymmetric process afforded the a most efficient access to the (R)- and (S)-enantiomers of a given secondary alcohol with similarly outstanding enantioselectivities and high yields. Our results also showed that the control of the desired conformer's population by conformation design is a new and practical strategy for the rational and precise design of highly enantioselective chiral ligands for metal-catalyzed reactions. The mechanism and possible transition states for the catalytic asymmetric addition have been proposed on the basis of previous studies as well as the crystal structure of the chiral ligands 7 and 8.

METHODS FOR TREATING CHRONIC PAIN USING 1-BENZYL-1-HYDROXY-2,3-DIAMINO-PROPYL AMINES,3-BENZYL-3-HYDROXY-2-AMINO-PROPIONIC ACID AMIDES AND RELATED COMPOUNDS

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Page/Page column 45-46, (2010/11/29)

Disclosed herein are methods of treating a patient suffering from one or more types of chronic pain using the following compounds:

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