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Updated: Jul 17, 2026

Biosynthesis of a Flavonol from a Flavanone by Establishing a One-pot Bienzymatic Cascade
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Biosynthesis of a Flavonol from a Flavanone by Establishing a One-pot Bienzymatic Cascade

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A new epoxyflavanone from tephrosia hamiltonii1

A H Falak1, A Shoeb

  • 1Medicinal Chemistry, Central Drug Research Institute, Lucknow 226 001, India.

Planta Medica
|April 1, 1987
PubMed

Abstract:

A phytochemical study of the whole plant of TEPHROSIA HAMILTONII afforded a new flavonoid, characterised as 5, 7-dimethoxy-8-(2, 3-epoxy-3-methylbutyl)-flavanone, along with other known compounds.

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Crown Ethers02:36

Crown Ethers

Crown ethers are cyclic polyethers that contain multiple oxygen atoms, usually arranged in a regular pattern. The first crown ether was synthesized by Charles Pederson while working at DuPont in 1967. For this work, Pedersen was co-awarded the 1987 Nobel Prize in Chemistry. Crown ethers are named using the formula x-crown-y, where x is the total number of atoms in the ring and y is the number of ether oxygen atoms. The term 'crown' refers to the crown-like shape that these ether molecules take.

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