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    • 4. 发明授权
    • 3-aminoacylamino thiophenes
    • 3-氨基亚氨基硫醇
    • US3855243A
    • 1974-12-17
    • US40238273
    • 1973-10-01
    • HOECHST AG
    • RUSCHIG HSCHORR MMUSCHAWECK RRIPPEL R
    • C07D333/36A61K27/00C07D63/12C07D63/16
    • C07D333/42Y10S514/818
    • 3-Aminoacylamino-thiophenes of the formula

      AND THEIR PHYSIOLOGICALLY TOLERATED SALTS, USEFUL AS LOCAL ANESTHETICS. Methods of making these compounds. In the formula, R1 may be hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, cycloalkenyl, or alkenyl; R2 is alkyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl, or alkenyl; R1 and R2, taken together, may also form a saturated heterocyclic ring with the nitrogen atom to which they are attached, which ring may also contain an oxygen atom, a methylimino group, or a further nitrogen atom; R3, R4, and R5 are each hydrogen, alkyl, or carbalkoxy; and A is alkylene.
    • 3-氨基酰基氨基 - 噻吩类化合物及其生理学上可容忍的盐,有用的当地麻醉品。 制备这些化合物的方法。 在该式中,R 1可以是氢,烷基,羟基烷基,烷氧基烷基,环烯基或烯基; R2是烷基,羟基烷基,烷氧基烷基,环烷基或烯基; R 1和R 2一起也可以与它们所连接的氮原子形成饱和杂环,该环也可以含有氧原子,甲基亚氨基或另外的氮原子; R 3,R 4和R 5各自为氢,烷基或烷氧基; A是亚烷基。