Highly efficient one-pot synthesis of D-ring chloro-substituted neocryptolepines via a condensation—Pd-catalyzed intramolecular direct arylation strategy
作者:Steven Hostyn、Kourosch Abbaspour Tehrani、Filip Lemière、Veerle Smout、Bert U.W. Maes
DOI:10.1016/j.tet.2010.10.077
日期:2011.1
D-ring chloro-substituted neocryptolepines have been synthesized in excellent yield starting from 3-bromo-2-chloro-1-methylquinolinium triflate via a one-pot condensation Pd-catalyzed intramolecular direct arylation strategy involving chloroanilines. The 3-bromo-2-chloro-1-methylquinolinium triflate was obtained via methylation of commercial 3-bromo-2-chloroquinoline with methyl triflate. (C) 2010 Elsevier Ltd. All rights reserved.