title: Silyl migration in the photochemical reactions of 2-trimethylsilylmethylphenyl ketones.
abstract: [reaction: see text]. Irradiation of 2-trimethylsilylmethylphenyl ketones 1 gives benzocyclobutenols 2 and 5 together with siloxybenzocyclobutenes 4. Compound 4 arises from the novel photoinduced 1,5-silyl migration of 1. Irradiation of 1 in the presence of magnesium perchlorate gives the less hindered benzocyclobutenols 5 without the formation of 4. The mechanism of the photochemical reaction of 1 is discussed.
authors: Department of Chemistry, Faculty of Science, Saitama University, Shomo-okubo, Sakura-ku, Saitama-city, Japan.
authors: Masaichi
authors: M
authors: Saito
authors: Akitomo
authors: A
authors: Saito
authors: Yuko
authors: Y
authors: Ishikawa
authors: Michikazu
authors: M
authors: Yoshioka