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236751-52-3

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236751-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 236751-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,6,7,5 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 236751-52:
(8*2)+(7*3)+(6*6)+(5*7)+(4*5)+(3*1)+(2*5)+(1*2)=143
143 % 10 = 3
So 236751-52-3 is a valid CAS Registry Number.

236751-52-3Downstream Products

236751-52-3Relevant articles and documents

First enantiospecific synthesis of a 3,4-dihydroxy-L-glutamic acid [(3S,4S)-DHGA], a new mGluR1 agonist

Dauban, Philippe,De Saint-Fuscien, Carole,Acher, Francine,Prezeau, Laurent,Brabet, Isabelle,Pin, Jean-Philippe,Dodd, Robert H.

, p. 129 - 133 (2000)

The first synthesis of one of the 4 possible stereoisomers of 3,4- dihydroxy-L-glutamic acid ((3S,4S)-DHGA 3), a natural product of unknown configuration, is described. The synthesis is based on the Lewis acid catalyzed reaction of benzyl alcohol with a D

Synthesis and reactions of a novel 3,4-didehydropyroglutamate derivative

Oba, Makoto,Nishiyama, Naohiro,Nishiyama, Kozaburo

, p. 776 - 777 (2007/10/03)

Some reactions such as catalytic hydrogenation, Diels-Alder reaction, cyclopropanation, dihydroxylation, and Michael addition of a novel 3,4-didehydropyroglutamate derivative, in which the carboxylic group is protected as an ABO ester, are examined and found to take place in a stereospecific manner giving 3- and/or 4-substituted pyroglutamate derivatives without loss of enantiomeric purity at the α-position.

A concise diastereoselective synthesis of (2S,3S,4R)-3,4-dihydroxyglutamic acid

Oba, Makoto,Koguchi, Shinichi,Nishiyama, Kozaburo

, p. 5901 - 5902 (2007/10/03)

A concise diastereoselective synthesis of (2S,3S,4R)-3,4-dihydroxyglutamic acid, one of eight possible stereoisomers of 3,4-dihydroxyglutamic acids, is described. The key reaction in this synthesis is stereoselective cyanation of an optically active N-acyliminium intermediate derived from L-tartaric acid with tributyltin cyanide.

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