Abstract
Formerly, an unexpected acyl migration of 1-methylidene-3,4-dihydroisoquinoline- 2(1H)-yl-methanone derivatives was observed, and on this basis a microwave assisted synthetic method was developed for the preparation of members of the 2'-(3,4- dihydroisoquinoline-1-ylidene)-1-ethan-1-one family, potential CB2 receptor agonists and PDE7 inhibitors. The reaction mechanism was studied with experimental and theoretical methods in order to propose intra- and intermolecular radical pathways.
Keywords: Isoquinolines, acylation, fries-rearrangement, microwave synthesis, mechanism, radicals, quantum chemistry.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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