767-85-1Relevant articles and documents
Carbocyclic Analogues of Penicillin
Meth-Cohn, Otto,Reason, Andrew J.,Roberts, Stanley M.
, p. 90 - 92 (1982)
The synthesis of the title systems is described by cycloaddition of dimethylketen to cyclopentadiene, addition of hypobromous acid to the product and use of a nitrile-mediated rearrangement to give 4-cyano-6-exo-benzyloxy-3,3-dimethylbicycloheptan-2-one (5b) and its derivatives by further modification.