Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1975-08-07
1978-03-14
Trousof, Natalie
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
424267, 424274, 424283, 26029358, 2603265CA, 2603452, 544151, C07D40510, A61K 31535, C07D40710
Patent
active
040791394
ABSTRACT:
New flavone derivatives to be used as analeptics having the formula ##STR1## wherein R.sub.1 and R.sub.2 are both methyl or ethyl, or taken together with the nitrogen atom to which they are attached represent a mononuclear 5- or -6 membered heterocyclic ring which may contain an oxygen atom as further hetero atom; R.sub.3 and R.sub.4 are hydrogen or methyl, provided that at least one of them is hydrogen, and process for the preparation thereof starting from resorcinol and phenylacetonitrile or a phenylacetonitrile derivative.
REFERENCES:
patent: 3147258 (1964-09-01), Re et al.
Chapman et al., "J. Chem. Soc.," vol. 123, pp. 404-409, (1923).
Baker et al., "J. Chem. Soc.," vol. 127, pp. 1981-1986, (1925).
Shriner et al., "J. Org. Chem.," vol. pp. 228-231, May, 1945.
Re et al., "Arnezmittle Forschuna," International Edition, vol. 10, pp. 800-802, (1960).
Bond Robert T.
Farmalepori
Trousof Natalie
Werbow Farrell R.
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