G - Physics – 01 – N
Patent
G - Physics
01
N
260/396.5
G01N 33/84 (2006.01)
Patent
CA 1210775
ABSTRACT A novel compound is disclosed having the structure Image (I) in which R is lower alkyl and X is halogen or pseudo- halogen. Also disclosed in a novel process for pre- paring the compound which comprises the steps of combining a compound having the structure Image (II) in which X is a halogen or pseudohalogen, and a compound having the structure Image (III) in which R is lower alkyl and A is lower alkylidene to produce a first reaction mixture; adjusting the pH of the first reaction mixture to at least about 8 to produce a second reaction mixture; and recovering the compound or its salt from the second reaction mixture. The novel compounds are useful as reporter sub- stances for detecting ions in test samples.
452894
Charlton Steven C.
Fleming Roger L.
Lau Arthur L.y.
Miles Laboratories Inc.
Osler Hoskin & Harcourt Llp
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