Efficient One-Pot Synthesis of 3-Amino-7-azaindoles Under Microwave Irradiation
摘要:
An efficient one-pot synthesis of 3-amino-7-azaindoles was developed, starting from ethyl (3-cyanopyridin-2-yl)carbamate and alpha -bromoketones by microwave-assisted Thorpe-Ziegler cyclization in the presence of a base. This method features excellent yields, short reaction time (10min), and high functional group compatibility.[Supplementary materials are available for this article. Go to the publisher's online edition of Synthetic Communications (R) for the following free supplemental resource(s): Full experimental and spectral details.]