3-Phenyl-2-thioxo-2H,5H-pyrano[3,2-c][I]benzopyran-5-one derivat

Details 3-Phenyl-2-thioxo-2H,5H-pyrano[3,2-c][I]benzopyran-5-one derivat 3-Phenyl-2-thioxo-2H,5H-pyrano[3,2-c][I]benzopyran-5-one derivat

1978-04-17

1979-07-31

Rotman, Alan L.

Drug, bio-affecting and body treating compositions

Nonspecific immunoeffector, per se ; or nonspecific...

Synthetic or structurally-modified peptidoglycan or...

26034321, 260327C, A01N 928, C07D31108

Patent

active

041630610

ABSTRACT:
Novel 3-phenyl-2-thioxo-2H,5H-pyrano[3,2-c][I]benzopyran-5-one derivatives, a process for their manufacture, compositions which contain these compounds as active substances for controlling harmful rodents, and the use of the active substances, or of compositions which contain them, as rodenticides.
The novel 3-phenyl-2-thioxo-2H,5H-pyrano[3,2-c][I]benzopyran-5-one derivatives have the general formula I ##STR1## wherein each of R and R' independently represents hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, or halogen.

REFERENCES:
patent: 3444163 (1969-05-01), Smutny
Legrand et al., Bull. Soc. Chim. France, 1953, 327.
Behringer et al., Chem. Ber. 97, 1732 (1964).
Cheechi et al., Chemical Abstracts, vol. 64, 1966, 719f.
Wolfbeis et al., Chem. Abstracts, vol. 85, 3292s.
Chem. Abstracts, vol. 85, 4428cs.

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