US 4,366,320 A · 4-Substituted phenyl-1,2,4-triazoline-3,5-diones and their dihydro analogs as analytical reagents

Abstract

A novel reagent useful for preparing adducts of diene so that the diene may be assayed by gas liquid chromatography utilizing an electron capture detection system.

Claims6

Dependent claims

A compound of the formula ##STR3## wherein X.sub.(n) is pentafluoro;

2',4',6'-trifluoro;
or 4'-trifluoromethyl;
and A is N.dbd.N or ##STR4## with the proviso that when X.sub.(n) is 2',4',6'-trifluoro or 4'-trifluoromethyl, A is N.dbd.N.

Dependencies are inferred from the claim text.

Facts

Application

06/174,050Filed 31 Jul 1980

Granted

28 Dec 1982

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

C07D 487/04
In which the condensed system contains two hetero rings: ortho-condensed systems
C07D 249/12
With hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals,…:…
G01N 33/82
Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing:…
Y10T 436/17
Chemistry: analytical and immunological testing: nitrogen containing

Abstract

A novel reagent useful for preparing adducts of diene so that the diene may be assayed by gas liquid chromatography utilizing an electron capture detection system.

4-Substituted phenyl-1,2,4-triazoline-3,5-diones and their dihydro analogs as analytical reagents

Life of this patent

Abstract

Claims6

4-Substituted phenyl-1,2,4-triazoline-3,5-diones and their dihydro analogs as analytical reagents

Life of this patent

Abstract

Claims6