Abstract
Based on the screening of biocatalysts and reaction conditions including organic solvent, water content, lipase loading, reaction temperature and time, lipase TLIM exhibited the prominent promiscuity for the Knoevenagel-Michael cascade reactions of 1, 3-diketones with aromatic aldehydes to synthesize xanthone derivatives. This procedure provides satisfactory advantages such as environmental begin, simple work-up, generality, obtaining in excellent yields (80–97%), and potential for recycling of biocatalyst.
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