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Synthesis of several derivatives of phenyl(2-hydroxy-3-pyrazyl)carbinol

✍ Scribed by Vincent S. Venturella; J. A. Bianculli; R. W. Sager

Publisher
John Wiley and Sons
Year
1963
Tongue
English
Weight
493 KB
Volume
52
Category
Article
ISSN
0022-3549

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✦ Synopsis

Several derivatives of 2-hydroxypyrazine were prepared containing a phenylcarbinol moiety in the 3-position. A method was developed to prepare these compounds in order to test the efficacy of the basic cyclization reaction between a bifunctional aamino amide and several 1,2-dicarbonyls. The synthetic method used necessitated some study of the chemistry of threo-j3-phenylserine and its amide. After many un- successful experiments, it was found that the amide of this acid is best prepared through the use of the N-carbobenzoxy methyl ester.

HE PURPOSE of this investigation was to pre-Tpare several compounds of general structure,

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