1,9-Dihydroxyoctahydrophenanthrenes and intermediates therefor

Details 1,9-Dihydroxyoctahydrophenanthrenes and intermediates therefor 1,9-Dihydroxyoctahydrophenanthrenes and intermediates therefor

1979-09-24

1981-05-26

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

560108, 560255, 568 31, 568 37, 568 41, A01N 3500, C07C 49733

Patent

active

042700051

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, benzyl, benzoyl, alkanoyl of 1 to 5 carbon atoms or --CO--(CH.sub.2).sub.p --NR'R" wherein p is 0 or an integer from 1 to 4; each of R' and R" when taken individually is hydrogen or alkyl of 1 to 4 carbon atoms; R' and R" when taken together with the nitrogen to which they are attached form a 5- or 6-membered heterocyclic ring selected from piperidino, pyrollo, pyrrolidino, morpholino and N-alkylpiperazino having from 1 to 4 carbon atoms in the alkyl group;

REFERENCES:
patent: 3102914 (1963-09-01), Wilkinson et al.
patent: 3557291 (1971-01-01), Weber et al.
patent: 3641152 (1972-02-01), Shovel et al.
patent: 3870757 (1975-03-01), Kirchlechner et al.
Huisgen et al., Lieb. Anu. Chem., Bd. 677, 21-33, (1964).
Mercier, C. R. Acad. Sci. Ser. C., 276(12) pp. 1053-1056, (1973).

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