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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 21, 1991 - Issue 2
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Original Articles

An Alternative Synthesis of Cardiotonic 6-(3,4-Dihydro-3-OXO-1,4(2H) benzoxazin-7-YL)-2,3,4,5-tetrahydro-5-methylpyridazin-3-ones

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Pages 271-278 | Published online: 23 Sep 2006
 

Abstract

Useful therapeutic 6-(3,4-dihydro-3-oxo-1,4 (2H) benzoxazin-7-yl)-2,3,4,5-tetrahydro-5-methylpyridazin-3-ones can be conveniently prepared from 6-propionyl-1,3 benzoxazolin-2-ones using α, β unsaturated ketone as intermediate.

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