1991
DOI: 10.1021/om00057a019
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Catalytic disproportionation of aldehydes with ruthenium complexes

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Cited by 193 publications
(121 citation statements)
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“…Considering the different metal catalysts, ruthenium complexes stand out as the most practical. For instance, Shvo's catalyst (1, Scheme 2b), [23] has been recurrently chosen to achieve these transformations. Recently, Alcántara and co-workers have shown its use with lipase from Pseudomonas stutzeri (TL) to deracemize a series of benzoin derivatives in tetrahydrofuran (THF) at 50 ºC in a sequential manner.…”
Section: Dkrs Over Alcohol Derivatives Using Hydrolasesmentioning
confidence: 99%
“…Considering the different metal catalysts, ruthenium complexes stand out as the most practical. For instance, Shvo's catalyst (1, Scheme 2b), [23] has been recurrently chosen to achieve these transformations. Recently, Alcántara and co-workers have shown its use with lipase from Pseudomonas stutzeri (TL) to deracemize a series of benzoin derivatives in tetrahydrofuran (THF) at 50 ºC in a sequential manner.…”
Section: Dkrs Over Alcohol Derivatives Using Hydrolasesmentioning
confidence: 99%
“…In this early work, the rhodium catalyst [Rh 2 (OAc) 4 ] and a lipase effected dynamic kinetic resolution (DKR) with 60 % conversion and 98 % ee. [1] The research groups of Bäckvall, [2][3][4][5] Kim, and Park [6][7][8] have devised related protocols using rutheniumbased racemization catalysts originally developed by Shvo and Menashe [9] in combination with an immobilized lipase from Candida antarctica (CALB, commercially available as Novozym 435). In general, high yields and enantiomeric excesses were obtained.…”
mentioning
confidence: 99%
“…[1] Die Arbeitsgruppen von Bäckvall, [2][3][4][5] Kim und Park [6][7][8] haben verwandte und sehr effiziente Verfahren vorgestellt, die auf der Kombination einer immobilisierten Lipase aus Candida antarctica (CALB, kommerziell erhätlich als Novozym 435) mit einem Ruthenium-Racemisierungskatalysator beruhen, der ursprünglich von Shvo und Menashe entwickelt worden war. [9] Jacobs et al haben gezeigt, dass die DKR von sekundären Benzylalkoholen auch mit einer Kombination aus sauren Zeolithen (als Racemisierungskatalysator) und einer Lipase in einem Zweiphasensystem abläuft. [10,11] Uns erschien der Einsatz billiger und leicht zugänglicher Aluminiumkatalysatoren als interessante Alternative.…”
unclassified
“…Schema 2. Synthesen von 1-Phenylvinylacetat (3), Essigsäure(1-cyclohexylvinyl)ester (8) und Essigsäure(1-cyclohexylidenethyl)ester (9) sowie Essigsäure-2-(1-octenyl)ester (13) und (E/Z)-Essigsäure-2-(2-octenyl)ester (14). Ts = Toluolsulfonyl.…”
unclassified