Pyrano-heterocycles and medicaments containing these compounds

Details Pyrano-heterocycles and medicaments containing these compounds Pyrano-heterocycles and medicaments containing these compounds

1979-08-22

1981-03-24

Randolph, John D.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

546 62, 546 92, C07D49106, C07D491052, A61K 3147

Patent

active

042580463

ABSTRACT:
Pyrano-heterocycles of the formula ##STR1## in which R.sup.1 represent hydrogen or an alkyl radical containing up to 4 carbon atoms; R.sup.2 represents hydrogen or an alkyl, alkoxy or haloalkyl radical each having up to 3 carbon atoms, or halogen; or R.sup.1 and R.sup.2 together form an ethylene or propylene group, and R.sup.3 and R.sup.4, independently of each other, are hydrogen or alkyl or alkoxy radicals each of which groups containing up to 3 carbon atoms, which may be unsubstituted or substituted totally or partially with halogen atoms, halogen or alkoxycarbonyl having up to 3 carbon atoms in the alkyl group and R.sup.5 represents a nitro group or hydrogen, their physiologically tolerated salts, processes for preparing these compounds and medicaments containing these compounds.

REFERENCES:
Bowman et al., J. Chem. Soc. 444-447, 1959.
Storer et al., Tetrahydron 29, 1721-1723, 1973.
Venturella et al., Gazz. Chim. et al., 104, 297-307, 1974.
Noehammer et al., Chem. Abst., vol. 86, 155477k.
Nair. Chem. Abst., vol. 74, 111944h.
Chem. Abst. vol. 88, 4351cs.
Ziegler et al., Mh. Chem. 90, 762-767, (1959), 92, 927-934, (1961).
Chemical Abstracts, 8th Coll., p. 437 and p. 26288.

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