Process for preparing diphenylalkene derivatives

Details Process for preparing diphenylalkene derivatives Process for preparing diphenylalkene derivatives

1987-08-11

1990-02-06

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540602, 540609, 544111, 544165, 544126, 544128, 544129, 544142, 544143, 546 98, 546165, 546190, 546191, 546246, 548455, 548482, 548518, 548491, 548574, 548577, 564315, 564330, 562441, 549473, C07D47106, C07D22304, C07D20944, C07C 8524

Patent

active

048989410

ABSTRACT:
A process for preparing a diphenylalkene derivative of the formula [II] ##STR1## which comprises oxidizing a diphenylalkanoic acid derivative of the formula [I] ##STR2## wherein R.sub.1 and R.sub.2 are each substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aralkyl or substituted or unsubstituted aryl, R.sub.1 and R.sub.2 may form a heteroring together theirwith or with an adjacent benzene ring, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and R.sub.11 are each hydrogen atom, halogen atom, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyl or substituted or unsubstituted amino, R.sub.12 and R.sub.13 are each hydrogen atom or substituted or unsubstituted alkyl, X is carboxyl, amide, ester or halide thereof.

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patent: 3530198 (1970-09-01), Fenton
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patent: 4181798 (1980-01-01), Morton, Jr.
patent: 4319066 (1982-03-01), Velenyi et al.
Sheldon, et al(II), Organic Reactions, vol. 19, pp. 279-295, 300-313, 355, 370-374, 381-387, 420-421, (1972).
Jawdosiuk, et al., Chemical Abstracts, vol. 86: 72142w (1977).

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