A straightforward synthesis of 3-acylphospholes

Org Lett. 2005 Sep 29;7(20):4511-3. doi: 10.1021/ol051816d.

Abstract

[structure: see text] The reaction of 2,5-diphenylphospholide, first with acyl chlorides, then with tBuOK, provides a direct access to 3-acyl-2,5-diphenylphospholides via a 1H-, 2H-, 3H-phosphole equilibrium.