US3951997A | 寵物協尋網
...1976-04-20ApplicationgrantedgrantedCritical:1976-04-20PublicationofUS3951997ApublicationCriticalpatent/US3951997A/en:1993-04-20Anticipated ...
The cyclic sulphoximides have previously not been investigated to any great extent. The known compounds of this type include a few 5-membered cyclic sulphoximides (see German Patent Specification No. 1,914,016; Angew. Chem., 83, 83/1971; J.A.C.S., 93, 7333/1971; J. Org. Chem., 38, 20/1973) but the compounds described in these literature references do not contain suitable functional groups so that they are not capable of modification by substitution or further reaction.
The present invention relates to novel cyclic sulphoximides which contain a functional group capable of chemical reaction to form cyclic sulphoximide derivatives. These derivatives possess valuable pharmacological activity and are disclosed in U.S. Ser. No. 495,985, filed Aug. 9, 1974 in the name of Stoss, Satzinger and Herrmann.
Thus, according to the present invention, there are provided new cyclic sulphoximides of the gene...
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