Process for producing an .alpha.-aromatic group substituted alka

Details Process for producing an .alpha.-aromatic group substituted alka Process for producing an .alpha.-aromatic group substituted alka

1985-04-12

1987-03-10

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 51, 560 55, 560102, 560105, 548469, 549 70, 549469, 562459, 562478, 562492, C07C 6976

Patent

active

046492135

ABSTRACT:
Compounds having anti-inflammatory and analgesic activity of the formula ##STR1## are produced from compounds having the formula ##STR2## by rearrangement in the presence of a base or an amide and (1) X S O X.sup.1 or X S O.sub.2 X.sup.1 where X and X.sup.1 are halogen or trifluoromethyl or (2) sulfur dioxide and halogen.

REFERENCES:
patent: 3880916 (1975-04-01), Dickel et al.
patent: 4188491 (1980-02-01), Nicholson et al.
patent: 4542237 (1985-09-01), Schloemer
Chemical Abstracts, vol. 96, No. 15, Apr. 12, 1982.
Tetrahedron Lett. 1981, 22 (43), 4305-8.

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