Polyhydrophenanthrene derivatives

Details Polyhydrophenanthrene derivatives Polyhydrophenanthrene derivatives

1975-04-07

1976-11-16

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26029356, 260410, 260468H, 260476C, 260482C, 260486R, 260586E, 260586F, C07C 6912, C07C 4954

Patent

active

039924378

ABSTRACT:
Alkyl polyhydro-2-phenanthrylideneacetates are prepared by interacting the corresponding 2-oxopolyhydrophenanthrenes with a tri-lower-alkyl .alpha.-phosphono-lower-alkanoate. Said alkyl polyhydro-2-phenanthrylideneacetates are hydrolyzed to the free acid, and then reesterified via the acid chloride with a tertiaryamino-lower-alkanol to give basic esters having cardiotonic activity.

REFERENCES:
patent: 3553251 (1971-01-01), Riehen et al.

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