Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-09-29
1977-02-22
Milestone, Norma S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
26029377, 26029371, 26029379, 424267, 2602472A, 2602475G, 26029361, C07D40304
Patent
active
040091732
ABSTRACT:
Novel butyrophenone derivatives of the formula: ##STR1## wherein R.sub.1 represents a hydroxyl group or ##STR2## (wherein R.sub.6 and R.sub.7 are each a hydrogen atom or a lower alkyl group or, when taken together with the adjacent nitrogen atom, may form a heterocyclic group), R.sub.2 represents an optionally substituted phenyl group or ##STR3## (wherein R.sub.8 and R.sub.9 are each a hydrogen atom or a lower alkyl group or, when taken together with the adjacent nitrogen atom, may form a heterocyclic group), R.sub.4 represents a hydrogen atom, a lower alkyl group or an optionally substituted phenyl group, R.sub.5 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a trifluoromethyl group, R.sub.10 represents a hydrogen atom or an acyl group represented by R.sub.3 CO- (wherein R.sub.3 is a hydrogen atom, a lower alkyl group or an optionally substituted phenyl group) and Z represents two hydrogen atoms or an oxygen atom, provided that when Z is an oxygen atom and R.sub.1 is ##STR4## R.sub.10 can not be a hydrogen atom, and their acid addition salts, which are useful as central and autonomic nervous system depressants.
REFERENCES:
patent: 3041344 (1962-06-01), Janssen
patent: 3097209 (1963-07-01), Janssen
patent: 3799932 (1974-03-01), Yamamoto et al.
patent: 3850935 (1974-11-01), Nakao et al.
patent: 3907812 (1975-09-01), Yamamoto et al.
Inaba Shigeho
Katayama Shigenari
Maruyama Isamu
Nakao Masaru
Ono Keiichi
Milestone Norma S.
Sumitomo Chemical Company Limited
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