Journal
BIOORGANIC CHEMISTRY
Volume 103, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2020.104139
Keywords
Lipase; 4-Hydroxycoumarins; Knoevenagel condensation; Dicoumarol
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4-Hydroxycoumarins represents an important structural motif in life sciences molecules with remarkable biological properties. 4-Hydroxycoumarins are important precursors in the synthesis of organic compounds and critical pharmacophores in medicinal chemistry. One of the derivatives of this compound is biscoumarin, which has anticoagulant medicinal properties. Porcine pancreas lipase (PPL) has been used as an efficient green biocatalyst for the synthesis of bis-4-hydroxycoumarin compounds and expands the biocatalytic promiscuity of lipase in organic synthesis. Some aromatic aldehydes have been used in this investigation for screening and examining the ability of enzyme in knoevenagel condensation. Various parameters including temperature, solvent, and the amount of biocatalyst were investigated, ethanol, 45 degrees C and 10 mg of PPL gave rise to best yields. Bis-4-hydroxy coumarin compounds were synthesized under mild reaction conditions with high conversion yields (81-88%).
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