SETT ATT FRAMSTELLA BIS-3,5-DIOXOPIPERAZINER

摘要

1374979 Bis-(3,5-dioxopiperazin-1-yl) alkanes NATIONAL RESEARCH DEVELOPMENT CORP 21 March 1972 [21 Dec 1970 17 March 1971] 60564/70 and 7100/71 Addition to 1234935 Heading C2C [Also in Division A5] Novel therapeutic compounds (I) (including salts thereof) where R 1 and R 2 are unsubstituted alkyl, alkenyl or alkynyl having a chain with a maximum of 4 carbons or substituted alkyl, alkenyl or alkynyl having a chain with a maximum of 3 carbons (provided that R 1 and R 2 are not both Me and that the substituted groups contain only one substituent except in the case of fluoro) are made by standard methods.