US 6,147,219 AGranted

Process for the preparation of benzothiazolone compounds

AssigneeAstraZeneca UK Limited

InventorChristopher Goodwin

Life of this patent

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There are described processes for the preparation of a compound of formula I ##STR1## and novel intermediates in the preparative process.

Dependent claims

A compound of formula II:

Dependencies are inferred from the claim text.

C07D 277/68
Benzothiazoles: with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or…
C07C 233/18
With the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom: having the carbon atom of…
C07C 233/36
With the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom: having the carbon atom of…
C07C 335/20
Having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton: being further substituted by…

From the US filing history. Foreign family members aren’t listed.

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