Issue 77, 2018

Bis(chlorogermyliumylidene) and its significant role in elusive reductive cyclization

Abstract

Bis(chlorogermyliumylidene) 2 has been strategically obtained within redox-active bis(α-iminopyridine). Metal-free reduction of 2 followed by protonation led to elusive 2,3-di(pyridin-2-yl)piperazine with meso-stereoselectivity. Formation of persistent triplet diradicals upon reduction and isolation of piperazine stabilized Ge(II) dication intermediates provide convincing evidence for the crucial role of [GeCl]+ units in reductive cyclization.

Graphical abstract: Bis(chlorogermyliumylidene) and its significant role in elusive reductive cyclization

Supplementary files

Article information

Article type
Communication
Submitted
26 Jul 2018
Accepted
30 Aug 2018
First published
30 Aug 2018

Chem. Commun., 2018,54, 10839-10842

Bis(chlorogermyliumylidene) and its significant role in elusive reductive cyclization

M. Majumdar, R. K. Raut, P. Sahoo and V. Kumar, Chem. Commun., 2018, 54, 10839 DOI: 10.1039/C8CC06067C

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