Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1988-01-29
1988-11-01
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
546245, 548341, 548540, C07D26530, C07D23900, C07D23300, C07D29500
Patent
active
047821515
ABSTRACT:
A novel polyprenyl compound is identified with the formula and useful for a pharmaceutical drag. ##STR1## wherein X represents a group of the formula: ##STR2## (wherein R.sup.1 and R.sup.2, which may be the same or differnt, represent each a hydrogen atom, a lower alkyl group, a hydroxyalkyl group, or a lower alkenyl group); a group of the formula: ##STR3## (wherein A including the nitrogen atom shown represents a ring containing nitrogen and oxygen atoms); or a group of the formula: ##STR4## (wherein R.sup.3 represents a hydrogen atom or a lower alkyl group, and R.sup.4 represents a lower alkyl group); Y represents a group of the formula: ##STR5## or a group of the formula: ##STR6## (wherein R.sup.5 represents a hydrogen atom or a lower alkyl group), and n represents an integer of from 2 to 5.
REFERENCES:
patent: 2700027 (1955-01-01), Brason
patent: 3865878 (1975-02-01), Chabardes et al.
patent: 4388312 (1983-06-01), Terao et al.
patent: 4621143 (1986-11-01), McGovern et al.
Abe Shinya
Fujisaki Hideaki
Kajiwara Akiharu
Murakami Manabu
Nakamoto Kouji
Covington Raymond
Eisai Co. Ltd.
Raymond Richard L.
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