A chemoselective aerobic oxidation of benzylic azides catalyzed by molybdenum xanthate in an aqueous medium
摘要:
A mild molybdenum-catalyzed, aerobic, chemoselective oxidation of benzylic azides to the corresponding aldehydes in an aqueous medium that tolerates a variety of functional groups including alcohols, esters, ketones, halides and olefins is described. (c) 2008 Elsevier Ltd. All rights reserved.
An efficient aerobicreduction of olefins, internal as well as terminal, is developed using guanidine as an organocatalyst. A remarkable chemoselectivity in reduction has been demonstrated in the presence of a variety of functional groups and protective groups and a selective reduction of a terminal olefin in the presence of an internal olefin is revealed.
An Efficient Oxidation of Primary Azides Catalyzed by Copper Iodide: A Convenient Method for the Synthesis of Nitriles
作者:Manjunath Lamani、Kandikere Ramaiah Prabhu
DOI:10.1002/anie.201002635
日期:2010.9.3
A wide range of primary azides have been efficiently oxidized by a catalytic amount of CuI and TBHP into their corresponding nitriles in aqueous solution. A variety of oxidizable functional groups were well tolerated under the reaction conditions, and oxidation of secondary azides furnished their corresponding ketones (see scheme; TBHP=tert‐butyl hydroperoxide).
A chemoselective aerobic oxidation of benzylic azides catalyzed by molybdenum xanthate in an aqueous medium
作者:Mahagundappa Maddani、Kandikere Ramaiah Prabhu
DOI:10.1016/j.tetlet.2008.05.047
日期:2008.7
A mild molybdenum-catalyzed, aerobic, chemoselective oxidation of benzylic azides to the corresponding aldehydes in an aqueous medium that tolerates a variety of functional groups including alcohols, esters, ketones, halides and olefins is described. (c) 2008 Elsevier Ltd. All rights reserved.