177995-29-8Relevant articles and documents
Annulation of heterocyclic rings on aromatic templates: The quinone monoketal route
Ciufolini, Marco A.,Dong, Qing,Yates, Matthew H.,Schunk, Stefan
, p. 2881 - 2884 (1996)
A double conjugate addition sequence anneals heterocyclic rings onto a 2-alkyl quinone monoketal intermediate. This operation, reminiscent of a Barco annulation, proceeds in excellent overall yield. The new chemistry offers interesting opportunities in al