Fluorescent maleimides and uses thereof

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S141000, C544S106000, C546S037000, C548S521000, C548S522000, C548S526000, C548S529000, C548S546000, C548S547000

Reexamination Certificate

active

06960667

ABSTRACT:
The present invention is directed to maleimides and preparation of compounds of the formula IwhereinR1and R2independently from each other stand forvariously substituted,and R3stands for allyl,variously substituted, with the proviso, that R1and R2not simultaneously stand for phenyl.

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