Microwave-assisted domino reactions: function-compatibility, modulation, and greening efforts
摘要:
Herein we report a microwave-assisted version of a domino protocol, providing ready access to a wide variety of complex oxygen heterocycles. The latter can be converted to stereochemically, well-defined, variously substituted carbocycles, since reaction conditions and the substitution pattern can be tailored to fit a particular type of transformation. Microwave assistance, the influence of solvent, temperature, the function compatibility, and the use of PhI(OAc)(2) as a domino promoter are investigated. (C) 2008 Elsevier Ltd. All rights reserved.
Baeyer–Villiger Oxidation of the Bicyclo[2.2.2]octanone System Revisited: Searching for a Modular Construction of Heavily Substituted Cyclohexanes Based onm-CPBA Mediated Selective Oxygen Insertion
Described herein is the use of Baeyer–Villigeroxidation for the selective insertion of oxygen into a variously substitutedbicyclo[2.2.2]octanone system, synthesized by a consecutive domino process. By using the appropriate sequence of steps and starting from common intermediate 2a, six-membered ring systems with appropriate substituents that could serve as surrogates for several functionalities could