期刊
MOLECULES
卷 27, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/molecules27227798
关键词
lipase; biocatalysts; promiscuity; C-P bonds; Michael addition reactions
资金
- Science and Technology Development Program of Jilin Province [20200301029RQ, 20200201396JC]
- Key Research Development Program of Jilin Province [20200402067NC]
This study reveals a new biocatalytic strategy for the direct synthesis of organophosphorus compounds with C-P bonds. The strategy shows good functional group compatibility and practical operation, with potential broad applications in organic synthesis.
Organophosphorus compounds are the core structure of many active natural products. The synthesis of these compounds is generally achieved by metal catalysis requiring specifically functionalized substrates or harsh conditions. Herein, we disclose the phospha-Michael addition reaction of biphenyphosphine oxide with various substituted beta-nitrostyrenes or benzylidene malononitriles. This biocatalytic strategy provides a direct route for the synthesis of C-P bonds with good functional group compatibility and simple and practical operation. Under the optimal conditions (styrene (0.5 mmol), biphenyphosphine oxide (0.5 mmol), Novozym 435 (300 U), and EtOH (1 mL)), lipase leads to the formation of organophosphorus compounds in yields up to 94% at room temperature. Furthermore, we confirm the role of the catalytic triad of lipase in this phospha-Michael addition reaction. This new biocatalytic system will have broad applications in organic synthesis.
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