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745052-97-5

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745052-97-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 745052-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,5,0,5 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 745052-97:
(8*7)+(7*4)+(6*5)+(5*0)+(4*5)+(3*2)+(2*9)+(1*7)=165
165 % 10 = 5
So 745052-97-5 is a valid CAS Registry Number.

745052-97-5Relevant articles and documents

Scalable synthesis of a nonracemic α-arylpropionic acid via ketene desymmetrization for a glucokinase activator

Yamagami, Takafumi,Moriyama, Noriaki,Kyuhara, Masahiro,Moroda, Atsushi,Uemura, Takeshi,Matsumae, Hiroaki,Moritani, Yasunori,Inoue, Isao

, p. 437 - 445 (2014)

Process research and development for a synthesis of the chiral carboxylic acid (R)-2 as a key intermediate of the glucokinase activator (R)-1 is described. The construction of the stereocenter at the α-carbon is a key point for the synthesis of (R)-2. The proposed process utilizes desymmetrization of a ketene in situ generated from the corresponding racemic carboxylic acid Rac-2 with (R)-pantolactone as a chiral auxiliary followed by hydrolysis of the resulting ester. This key step has been successfully scaled up to 20 kg, which demonstrates that this synthetic approach is comparable with a previously reported approach via enantioselective hydrogenation.

TRICYCLO SUBSTITUTED AMIDES

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Page/Page column 14-15, (2008/06/13)

Compounds of Formula (I) or pharmaceutically acceptable salts thereof, are useful in the prophylactic and therapeutic treatment of hyperglycemia and diabetes.

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