C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
150/19, 260/356.
C07D 215/18 (2006.01) C07D 215/54 (2006.01) C07D 311/16 (2006.01) C07D 311/20 (2006.01) C12Q 1/28 (2006.01)
Patent
CA 1294285
ABSTRACT OF THE DISCLOSURE Optical indicator chalcogen (selenide or sulfide) compounds responsive to oxidants, e.g., hydrogen peroxide, and methods for preparing and using such indicators. Upon oxidation the resulting intermediate undergoes spontaneous elimination of the chalcogen residue to yield a signal compound which provides an' optical sig- nal such as fluorescence. Preferred fluorogenic indi- cator compounds are 3-chalcogen-3,4-dihydrocoumarin derivatives and 3-chalcogen-3,4-dihydro-2-quinolone derivatives. Such indicator compounds provide highly fluorescent products upon oxidation by hydrogen perox- ide and are useful in analytical systems which generate hydrogen peroxide in response to the analyte under determination. ALK/mc MS-1275
446312
Buckler Robert T.
Hatch Robert P.
Miles Laboratories Inc.
Osler Hoskin & Harcourt Llp
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