Ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-crboxylate(1) has been photolysed at 300 nm in a variety of alcohols and amines. The products suggest two competing photolytic pathways: reversible photoisomerisation to a ketene, and a loss of carbon dioxide to form a singlet imino-carbene.
5-氧代-2-苯基-2,5-二氢
异恶唑-4-crboxylate(1)已在300 nm的多种醇和胺中进行了光解。该产品提出了两种竞争性的光解途径:可逆的光异构化为
乙烯酮,以及损失的
二氧化碳形成单线亚
氨基卡宾。