Unusual photochemical behaviour of the enone chromophore of the insect moulting hormone 20α-hydroxyecdysone
Abstract
U.v. irradiation of the most representative insect moulting hormone 20α-hydroxyecdysone (1) in follows two unusual pathways the reduction products (2) and (4)(path a) together with the ketone (5) and the cyclobutanol(6)(path b).