Stereocomplementary asymmetric bioreduction of boron-containing ketones mediated by alcohol dehydrogenases
摘要:
Optically active boron-containing alcohols were prepared via the stereoselective reduction of the corresponding carbonyl compounds by alcohol dehydrogenases. Depending on the substrate, both (R)-alcohols and (S)-alcohols were obtained with excellent enantioselectivity (up to >99% ee) employing either ADH-A or LB-ADH. (C) 2011 Elsevier Ltd. All rights reserved.
transfer, which eventually offers a new route to various α-amino ketones with excellent regioselectivity. The virtue of this transformation is that an unrefined isomeric mixture of alkenyl alcohols can be utilized as the readily available starting materials to lead to the regioconvergent amidation. Mechanistic investigations revealed that the reaction proceeds via a tandem process involving two key components
Stereocomplementary asymmetric bioreduction of boron-containing ketones mediated by alcohol dehydrogenases
作者:Thiago Barcellos、Katharina Tauber、Wolfgang Kroutil、Leandro H. Andrade
DOI:10.1016/j.tetasy.2011.10.012
日期:2011.10
Optically active boron-containing alcohols were prepared via the stereoselective reduction of the corresponding carbonyl compounds by alcohol dehydrogenases. Depending on the substrate, both (R)-alcohols and (S)-alcohols were obtained with excellent enantioselectivity (up to >99% ee) employing either ADH-A or LB-ADH. (C) 2011 Elsevier Ltd. All rights reserved.