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Indolizines. 2. Preparation of 1- and 3-Indolizinols and Their Esters
Wadsworth, Donald H.,Bender, Steven L.,Smith, Douglas L.,Luss, Henry R.,Weidner, Charles H.
, p. 4639 - 4644 (2007/10/02)
2,3-Diarylcyclopropenones react smoothly with pyridine and substituted pyridines in a variety of solvents to produce 1- and/or 3-indolizinols.The regioisomeric indolizines were characterized by X-ray crystallography of their acetate derivatives.The synthesis and spectroscopic properties of a number of indolizinols and their ester derivatives are described.
