名称:
Syntheses of the opioid substructures 1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocine and 2,3,4,5-tetrahydro-1,5-methano-1H-2-benzazepine
摘要:
Concise syntheses of 1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocine (12) and 2,3,4,5-tetrahydro-1,5-methano-1H-2-benzazepine (18) are described and involve an intramolecular Friedel Crafts alkylation and an intramolecular Heck cyclization as their respective key ring-forming steps. (C) 2011 Elsevier Ltd. All rights reserved.
DOI:
10.1016/j.tetlet.2010.12.072