Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1978-02-09
1980-01-29
Randolph, John D.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
424251, 544283, 546271, 546274, 546291, A61K 31415, C07D47104
Patent
active
041862007
ABSTRACT:
Novel nitrogen-containing heterocyclic compounds shown by the formula ##STR1## wherein one of R.sub.1 and R.sub.2 represents a lower alkyl group, a phenyl group, a halophenyl group, or a lower alkoxyphenyl group and the other of them represents a hydrogen atom, a lower alkyl group, or a phenyl lower alkyl group; said R.sub.1 and R.sub.2 may combine with each other to form a trimethylene group or a tetramethylene group; R.sub.3 represents a hydrogen atom, a lower alkyl group, a phenyl group, or a phenyl lower alkyl group; X represents an oxygen atom, a sulfur atom, an imino group, or a group shown by ##STR2## wherein m represents 1 or 2 and R.sub.4 represents a lower alkyl group, a hydroxy lower alkyl group, a cycloalkyl group or a phenyl lower alkyl group; and Y represents an ethylene group which may be substituted by lower alkyl group, a trimethylene group, a tetramethylene group, a vinylene group which may be substituted by a lower alkyl group, or ##STR3## wherein R.sub.5 represents a hydrogen atom, a lower alkyl group, a trifluoromethyl group, or a phenyl group; said X is the group shown by ##STR4##
REFERENCES:
patent: 3334099 (1967-08-01), Houlihan
Homma Hiroshige
Isomura Yasuo
Ito Noriki
Kubo Kazuo
Murakami Masuo
Randolph John D.
Yamanouchi Pharmaceutical Co. Ltd.
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