Pyrylium salts in the synthesis of 2-pyrazoline derivatives and earlier unknown substituted 3,3a,4,7-tetrahydropyrazolo[1,5-<Emphasis Type="Italic">a</Emphasis>]pyridin-7-ones |
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| Authors: | L Yu Ukhin |
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| Institution: | 1.Scientific Research Institute of Physical and Organic Chemistry,South Federal University,Rostov-on-Don,Russian Federation |
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| Abstract: | New 1,3,5-substituted 2-pyrazoline derivatives were synthesized from 2,6-diphenylpyrylium perchlorate and acylhydrazines.
Method for the synthesis of earlier unknown 3,3a,4,7-tetrahydropyrazolo1,5-a]pyridin-7-one derivatives from pyrylium salts and cyanoacetic acid hydrazide was proposed. |
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