申请人:John Wyeth & Brother Limited
公开号:US03976683A1
公开(公告)日:1976-08-24
The invention relates to thioamides of formula I ##SPC1## and acid addition salts thereof wherein R.sub.1 and R.sub.2 are selected from the group consisting of hydrogen, lower alkyl, and phenyl and R.sub.3 and R.sub. 4 are selected from the group consisting of hydrogen and lower alkoxy, with proviso that when R.sub.3 and R.sub.4 are both hydrogen at least one of R.sub.1 and R.sub.2 is other than hydrogen.
本发明涉及式I ##SPC1##的硫代酰胺及其酸加成盐,其中R1和R2选自氢、低级烷基和苯基,R3和R4选自氢和低级烷氧基,但条件是当R3和R4均为氢时,至少一个R1和R2不是氢。