Addition products of a P(iii)-isothiocyanate to dialkyl acetylenedicarboxylates: a spirocyclic phosphinimine and a triphosphorus heterocycle with tetra- and penta-coordinate phosphorus†
Abstract
Treatment of the P(III) isothiocyanate CH2[6-t-Bu-4-Me-C6H2O]2PNCS (1) with