ChemInform Abstract: A One‐Pot Cascade to Protoberberine Alkaloids via Stevens Rearrangement of Nitrile‐Stabilized Ammonium Ylides.

Abstract

A One-Pot Cascade to Protoberberine Alkaloids via Stevens Rearrangement of Nitrile-Stabilized Ammonium Ylides. -This method gives access to quaternary protoberberines including naturally occurring pseudopalmatine (IIIf) and pseudoepiberberine (IIIg). -(LAHM, G.; DEICHMANN, J.-G.; RAUEN, A. L.; OPATZ*, T.; J. Org. Chem. 80 (2015) 3, 2010-2016, http://dx.doi.org/10.1021/jo502842s ; Inst. Org. Chem., Johannes-Gutenberg-Univ., D-55128 Mainz, Germany; Eng.) -M. Tismer 26-209