【摘 要】
:
Addition of a-carbonylketenes, generated from 2-diazo-1, 3-diaryl-1, 3-propandione or 2-diazo-1-phenyl-1,3-butandione by heating, to 2,4-diaryl-2,3-dihydro-[1,5
【出 处】
:
Chinese Chemical Letters
论文部分内容阅读
Addition of a-carbonylketenes, generated from 2-diazo-1, 3-diaryl-1, 3-propandione or 2-diazo-1-phenyl-1,3-butandione by heating, to 2,4-diaryl-2,3-dihydro-[1,5]-benzothiazepines gave 2,3-disubstituted-4a, 6-diaryl-4a,5,6,12-telrahydro-1H-1, 3-oxazino[3,2
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