PROCESS FOR THE PREPARATION OF 2,3-DIHYDRO-4H-1,4-BENZOTHIAZINES

Process for the preparation of 2,3-Dihydro-4H-1,4-benzothiazines by cyclisation of suitable 2-(2-Hydroxyalkyl)-thioanilines under elimination of water in the presence of phosphorous acid.

Saved in:
Bibliographic Details
Main Authors UHRHAN, PAUL, KRAUTHAUSEN, EDMUND
Format Patent
LanguageEnglish
German
Published 28.11.1984
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
Online AccessGet full text

Cover

More Information
Summary:Process for the preparation of 2,3-Dihydro-4H-1,4-benzothiazines by cyclisation of suitable 2-(2-Hydroxyalkyl)-thioanilines under elimination of water in the presence of phosphorous acid.
Bibliography:Application Number: EP19820101974