Method for preparing a substance having properties against colla

Details Method for preparing a substance having properties against colla Method for preparing a substance having properties against colla

1978-08-08

1980-06-03

Randolph, John D.

Drug, bio-affecting and body treating compositions

Nonspecific immunoeffector, per se ; or nonspecific...

Synthetic or structurally-modified peptidoglycan or...

2603435, 424195, A61K 31365, A61K 3578, C07D30930

Patent

active

042062225

ABSTRACT:
This invention relates to the chemical and pharmaceutical industries.
An active agent is extracted from ferns with a water-alcohol mixture. The essential compound is a delta-lactone having 8 carbon atoms, obtained as a monomer and/or as polymers, and which may be under the form of a chelate salt. It is useful mainly as the active substance in drugs for the treatment of diseases accompanied by collagen alterations.

REFERENCES:
patent: 3584123 (1971-06-01), Tubery
patent: 3839553 (1974-10-01), Martinez et al.
Virtanen, A., et al., Acta Chem. Scand. 8(6), 1091-1093 (1954).
Molodozhnikova, L., et al., Sb. Nauch. Rab. Vses. Nauch. Issled. Inst. Lek. Rast. 1970, No. 1, 164-168 [Chemical Abstracts, 76:70088c (1972)].

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