"A METHOD FOR PREPARING A COMPOUND OF FORMULA (6)"

"A METHOD FOR PREPARING A COMPOUND OF FORMULA (6)"

A method for preparing a compound of formula (6), wherein said method comprises the steps of: alkylating a compound of formula (1) resulting into a compound of formula (2); wherein E is a C1-6alkyl; reacting compound of formula (2) with a sulfonation agent, resulting in a compound of formula (3); wh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WIM ALBERT ALEX AELTERMAN, WALTER FERDINAND MARIA FILLIERS, HERMAN AUGUSTINUS DE KOCK
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A method for preparing a compound of formula (6), wherein said method comprises the steps of: alkylating a compound of formula (1) resulting into a compound of formula (2); wherein E is a C1-6alkyl; reacting compound of formula (2) with a sulfonation agent, resulting in a compound of formula (3); wherein LG is a leaving group; and coupling compound of formula (3) with a compound of formula (5). wherein PG is a protecting group; and wherein R2, R3, and R4 are as defined in the description.