Selected process for producing monohalogenated derivatives of 7-

Details Selected process for producing monohalogenated derivatives of 7- Selected process for producing monohalogenated derivatives of 7-

1980-01-15

1981-10-20

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

544151, 546196, C07D31108, C07D41306, C07D40506

Patent

active

042960398

ABSTRACT:
A selective process is described for producing monohalogenated derivatives of 7-hydroxy coumarin wherein the halo substituent is at the desired position and the final product is free of other monohalogenated isomers. The resulting products, especially those wherein the halo substituent is at the 8 position, have valuable specific coronary vasodilating activity.

REFERENCES:
patent: 3259635 (1966-07-01), Ritter et al.
patent: 3515721 (1970-06-01), Ritter et al.
patent: 3923836 (1975-12-01), Bender et al.

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