Year: 2025
Type: article
Abstract: The reactions of the monomeric C,N‐chelated organogermanium(II) hydride L(H)Ge·BH 3 ( 1 ) with potassium alkoxides KOR provided potassium hydrido‐alkoxo‐germanato‐borates {K(THF) 2 [BH 3 ·Ge(L)(H)(OR)]} 2 (R = t Bu ( 2 ), C(CH 3 ) 2 CH 2 CH 3 ( 3 )) as products of KO R addition. Compounds 2 and 3 react with benzaldehyde under formation of alkyl esters of benzoic acid along with elimination of a neutral complex L(H)Ge·BH 3 ( 1 ). Thus complex 1 was tested as a useful catalyst for esterification of aldehydes by KO t Bu. The GC‐MS analysis revealed formation of t ‐butyl esters of appropriated carboxylic acids. The mechanistic studies for the esterification of benzaldehyde with KO t Bu catalyzed by 1 were also performed either theoretically (DFT calculations), or experimentally (NMR and IR spectroscopy).
Source: Chemistry - A European Journal
Institution: University of Pardubice
Language: English
Subfield: Organic Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $4,640
OpenAlex ID: W4411424337