ChemInform Abstract: Preparation of Some 2‐Aryl‐1‐bromocyclopropanes by Irradiation of the Corresponding gem‐Dibromocyclopropanes with Pyrex‐Filtered Light.

Abstract

1992 photochemistry, radiation chemistry, chemoluminescence photochemistry, radiation chemistry, chemoluminescence O 0160 -085Preparation of Some 2-Aryl-1-bromocyclopropanes by Irradiation of the Corresponding gem-Dibromocyclopropanes with Pyrex-Filtered Light.-Acetone-sensitized reduction of the dibromides (I) yields the monobromides (II) and (III) in the most cases with excellent yields. The cis/trans ratios are almost identical with those observed when the reaction is carried out with Bu3SnH. -(SYDNES, L. K.; NILSSEN, A. V.; JOER-GENSEN, E.; PETTERSEN, A.; Acta Chem. Scand. 46 (1992) 7, 661-668; Dep. Chem., Univ. Tromsoe, N-9000 Tromsoe, Norway; EN)