C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/292.5
C07D 211/52 (2006.01)
Patent
CA 1038391
PIPERIDINOBUTYROPHENONE DERIVATIVES Abstract of the Disclosure: Novel piperidinobutyrophenone derivatives of the formula: Image wherein R1 and R3 are halogen, R2 is amino or C1-4 acylamino and R4 is halogen, C1-4 alkyl or trifluoromethyl, which are useful as psychotropic and analgesic agents and can be prepared by oxidative cleavage of the corresponding indole derivatives of the formula: Image wherein R5 is hydrogen or C1-3 alkyl and R1, R3 and R4 are each as defined above, if necessary, followed by hydrolytic deacylation. - 1 -
232325
Katayama Shigenari
Maruyama Isamu
Nakao Masaru
Okamoto Tadashi
Sasajima Kikuo
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