PROCESS FOR PREPARING N,N,6- TRIMETHYL-2 -(4-METHYLPHENYL)- IMIDAZO-(1,2-A) -PYRIDINE-3- ACETAMIDE AND SALTS THEREOF

It comprises reducing the hydroxy ester of formula (X) by reacting it in DMF and then with an iminium salt of formula (XIII) formed in situ with thionyl chloride and dimethylformamide, and subsequent reduction with an appropriate reducing agent to form the ester of formula (XII), which is then react...

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Bibliographic Details
Main Author LABRIOLA RAFAEL
Format Patent
LanguageEnglish
Slovenian
Published 31.08.2003
Edition7
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:It comprises reducing the hydroxy ester of formula (X) by reacting it in DMF and then with an iminium salt of formula (XIII) formed in situ with thionyl chloride and dimethylformamide, and subsequent reduction with an appropriate reducing agent to form the ester of formula (XII), which is then reacted with dimethylamine in a polyhydroxylated solvent medium at an appropriate temperature.
Bibliography:Application Number: SI19990030286T