摘要:
This paper reports straightforward syntheses of 1-aryl-bicyclo-[n.1.0]-alkanes, 1-aryl-bicyclo-[3.3.0]-alkanes and of 1-phenyl-1,4-dimethyl-cyclopentane from unsaturated benzylselenides which involve the organolithimus-medicated cyclisation of olefins and poly-olefins.