Beilstein J. Org. Chem.2019,15, 2603–2611, doi:10.3762/bjoc.15.253
fractionating crystallization. Structure determination by X-ray diffraction analysis revealed marked conformational differences around the CH–C(O–) single bond of E and Z-isomers and extended charge delocalization in the anionic part.
Keywords: betaines; multi-component reactions; N-triflylamides; phospha