Air and Water Stable Germacarbonyl Compounds

Abstract

Germacarbonyl compounds are the germanium analogs of carbonyl compounds requiring an inert atmosphere for stability. Making these compounds survive the ambient conditions was not feasible given the lability of the Ge=E bonds (E = O, S, Se, Te). However, the first examples of germacarbonyl compounds synthesized under ambient conditions by taking advantage of dipyrromethene ligand stabilization are detailed here; the isolated compounds are thiogermanone 3, selenogermanone 4, thiogermacarboxylic acid 6, selenogermacarboxylic acid 7, thiogermaester 9, selenogermaester 10, thiogermaamide 12, and selenogermaamide 13 with Ge=E bonds (E = S, Se). Compounds 12 and 13 can react under atmospheric conditions with copper(I) halides offering air and water stable monomeric 14-15 and dimeric 16-19 copper(I) complexes (halide = Cl, Br, I). Apart from just binding, selectivity was also observed; thiogermaamide 12 and selenogermaamide 13 bind CuCl and CuBr, respectively, when treated with a mixture of copper(I) halides.

Supplementary files

Article information

Article type
Edge Article
Submitted
31 Mar 2022
Accepted
31 Aug 2022
First published
22 Sep 2022
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2022, Accepted Manuscript

Air and Water Stable Germacarbonyl Compounds

P. Mahawar, P. Shukla, P. C. Joshi, D. Singh, H. Kumar, G. Mukherjee and N. Selvarajan, Chem. Sci., 2022, Accepted Manuscript , DOI: 10.1039/D2SC01869A

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