Early Discovery Chemistry, Bristol-Myers Squibb Co., Wallingford, CT 06492, United States
Abstract:
An efficient protocol for the one-pot preparation of alkyl 3-aryl-5-methylisoxazole-4-carboxylates from aryl aldehydes is described. This method is readily amenable to the large scale preparation of isoxazoles as well as the parallel synthesis of isoxazole libraries.