C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
150/11, 260/367.
C07D 307/42 (2006.01) C12Q 1/28 (2006.01) G01N 33/48 (2006.01) G01N 33/72 (2006.01)
Patent
CA 1115724
ABSTRACT OF THE DISCLOSURE: Guaiaconic acid A is provided having a specific extinction E?Cm at 600 nm of at least 200, determined by the reaction with peroxidase and hydrogen peroxide, having infra-red bands at 1600 cm-1 (m): 1505 cm 1 (v.s): 1260 cm-1 (s:b), 1115 cm-1 (m): 1025 cm-1 (m) and 1200 cm-1 (s:b) and having an RF value of 0.45 (toluene/dioxan/glacial acetic acid: 90:25:10 v/v/v); the acid is useful as a chromogen in diugnostic agents for the detection of occult blood in faeces.
300004
Guthlein Werner
Rittersdorf Walter
Werner Wolfgang
Wielinger Hans
Boehringer Mannheim G.m.b.h.
Sherman
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