Oxadiazol-5-yl-coumarin derivatives

Details Oxadiazol-5-yl-coumarin derivatives Oxadiazol-5-yl-coumarin derivatives

1976-03-25

1977-07-05

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602949, 260307G, 2602472B, 26029358, 8 1D, C07D41314, C07D41304

Patent

active

040339734

ABSTRACT:
Dyestuffs of the formula ##STR1## wherein R.sub.1 and R.sub.2 represent optionally substituted alkyl groups which can be interrupted by heteroatoms, and R.sub.1 and R.sub.2 together with the nitrogen atom at the aromatic nucleus are able to form a 5- or 6-membered ring, X represents a NH group or an oxygen atom and R represents an organic radical. the dyestuffs dye polyester fibers in brilliant yellow shades.

REFERENCES:
patent: 3444180 (1969-05-01), Maeder et al.
patent: 3810901 (1974-05-01), Davidson et al.
patent: 3994907 (1976-11-01), Domergue

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