Process for the preparation of (-) eburnamenin-14-(15H)-one resi

Details Process for the preparation of (-) eburnamenin-14-(15H)-one resi Process for the preparation of (-) eburnamenin-14-(15H)-one resi

1988-03-22

1990-05-29

Henderson, Christopher

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Polymer from ethylenic monomers only

424451, 424464, 5253322, A61K 31795

Patent

active

049294407

ABSTRACT:
A process for the preparation of (-)eburnamenin-14-(15H)-one resinates having improved pharmacological properties.
These resinates are prepared by reacting phosphate or any addition salts of (-)eburnamenin-14-(15H)-one with an alkali metal sulphonate type cationic resin, in a polar solvent for 10 hours at 50.degree. C. under stirring.

REFERENCES:
patent: 4359555 (1982-11-01), d'Hondt
patent: 4510128 (1985-04-01), Khanna

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