Studies on Hopf Cyclization in Cyclic-Aza and Oxa-Dieneyne Systems and Exploring their DNA Cleavage Properties
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Introduction: This paper describes, for the first time, the synthesis of cyclic aza- and oxa-dieneynes through intramolecular aza-Wittig, Wittig, and lactonization reactions as key steps. The synthesized 9- and 10-membered cyclic... ...