Coumarin compounds and method for preparing and using the same

Details Coumarin compounds and method for preparing and using the same Coumarin compounds and method for preparing and using the same

2007-08-21

2007-08-21

Seaman, Margaret D. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S289000, C549S290000

Reexamination Certificate

active

11273372

ABSTRACT:
4-Substituted coumarin compounds having the general formula ofwhere R is H, CHO, OCH3, X, NO2, an alkyl having C1-10, —OCH2O—, an aryl being mono- or poly-substituted with CN or COOCH3with the aryl being a phenyl, naphthyl, or azaryl, or a coumarin groupthat is substituted with R1, R2, R3, R4, with R1, R2, R3, and R4being H, an alkyl having C1-10, X, NO2, CN, OCH3, COOCH3or OR5, R5being H or an alkyl having C1-10, and X being a halogen.

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