Phenylation of 3-phenylsulfonlylchroman-4-ones using Ph 3BiCO3leading to the synthesis of isoflavanones and isoflavones is reported.

Kalpathy Chidambareswaran Santhosh

Kalapattukuppuswamy Kuppuswamy B. Balasubramanian

3 PHENYLTHIOCHROMAN 4 ONE DERIVATIVE

4 CHROMANONE DERIVATIVE

BENZENESULFONIC ACID DERIVATIVE

Bismuth

ISOFLAVAN DERIVATIVE

ISOFLAVONE

ligand

unclassified drug

article

chemical reaction

ligand binding

synthesis

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

Ligand coupling route to isoflavanones and isoflavones

Journal of the Chemical Society, Chemical Communications

A simple and high yielding route to 3-alkylchromanones and 3-alkylchromones has been achieved from 3-alkyl-3-phenyl-sulphonyl-4-chromanones. A simple and high yielding route to 3-alkylchromanones and 3-alkylchromones has been achieved from 3-alkyl, 3-phenylsulphonyl-4-chromanones. © 1991.

Tetrahedron Letters

A facile synthesis of 3-alkylchromanones and chromones

The Journal of Organic Chemistry

The use of .beta.-ketone sulfones as synthetic intermediates

Journal	Journal of the Chemical Society, Chemical Communications
ISSN	00224936
Open Access	No