Abstract
An unusual rearrangement of spiro cage dione to a trishomocubane derivatives is reported by acid-catalysed rearrangement with the aid of BF3·OEt2 in benzene (solvent) reflux conditions. Here, the molecular structure of cage molecule C19H22O2 (major product) consists of five-membered rings, which adopt an envelope conformation and six-membered rings adopt a chair or boat conformation. The Cremer & Pople puckering parameters of all four six-membered rings are calculated.
Funder
Defence Research and Development Organisation, Aeronautics Research and Development Board
Department of Science and Technology (India)
Praj industries
Indian Institute of Technology Bombay
University Grants Commission
Publisher
International Union of Crystallography (IUCr)
Subject
Rehabilitation,Physical Therapy, Sports Therapy and Rehabilitation,General Medicine