The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 1998
Filed:
Jun. 02, 1995
Michael John Ashton, Dagenham, GB;
Sven Jan-Anders Karlsson, Dagenham, GB;
Bernard Yvon Vacher, Dagenham, GB;
Michael Thomas Withnall, Dagenham, GB;
Rhone-Poulenc Rorer Limited, West Malling, GB;
Abstract
Compounds of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, n, and are as defined herein, their use as antiinflammatory, immunosuppressive, and antiallergic agents, pharmaceutical compositions comprising them, and methods for their preparation comprising irradiating compounds of formula II ##STR2## under an inert atmosphere, in the presence or absence of a compound of formula R.sub.3 --S--S(O).sub.m --R.sub.8, where R.sub.7, R.sub.8, and m are as defined herein, and methods for their preparation comprising oxidizing, reducing, halogenating, or alkylating compounds of formula I are disclosed.