Abstract

8-Aroyl-3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazine-1,6,7-triones reacted with urea to give 9-aroyl-8-hydroxy-6-(2-hydroxyethyl)-1,3,6-triazaspiro[4.4]non-8-ene-2,4,7-triones.

中文翻译：

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吡咯并[2,1-c] [1,4]恶嗪-1,6,7-三酮与尿素的反应。Triazaspiro [4.4] non-8-ene-2,4,7-triones的合成

摘要

8-芳基-3,4-二氢-1 H-吡咯并[ 2,1- c ] [1,4]恶嗪-1,6,7-三酮与尿素反应生成9-芳酰基-8-羟基-6- （2-羟乙基）-1,3,6-三氮杂螺[4.4]非-8-烯-2,4,7-三酮。