C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/228
C07H 17/02 (2006.01)
Patent
CA 1311750
Abstract of Disclosure Indoxyl-.beta.-D-glucuronide, its stable salts and analogs thereof are described, together with a process for the production thereof in which a compound of the formula: Image where X is halogen and R is lower alkyl is reacted with a compound of the formula: Image where R1 is any common carboxyl-protecting group, X, Y, Z and Q are the same or different and selected from hydrogen, halogen, trihalogenated alkene, trihalo-methyl, nitro, saturated or unsaturated alkyl and an aromatic moiety in water and methylene chloride contalning an alkali hydroxide in the presence of a phase transfer catalyst, with subsequent removal of the blocking groups and conversion to the desired stable salt.
556665
Bowers Raymond J.
Wolfe Saul
Queen's University At Kingston
Scribner Stephen J.
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