ES361885A1 - Procedure for the preparation of 3-imino-1,2-benziso-tiazolinas. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of 3-imino-1,2-benziso-tiazolinas. (Machine-translation by Google Translate, not legally binding)
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Bayer AG
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Bayer AG
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Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
Procedure for the preparation of 3-imino-1,2-benzisothiazolines, of general formula: **(See formula)** wherein R1 represents an optionally substituted aliphatic, araliphatic or aryl radical, R2 means the same or different radicals, such as hydrogen, halogen and alkyl, alkoxy or alkyl mercapto radicals and one of the R2 radicals, in addition, can represent a nitro group, n means an integer from 1 to 3 and HX represents the equivalent of a strong inorganic or organic acid, characterized in that a compound of the general formula is heated: **(See formula)** wherein R1, R2, n and HX are defined as above optionally in the presence of water or an organic solvent, and of the reaction mixture, after removal of the still unchanged starting compound by treatment with nitric acid in acidic solution or Also physically, the iminobenzisothiazoline derivative formed is isolated. (Machine-translation by Google Translate, not legally binding)
ES361885A1967-12-271968-12-27Procedure for the preparation of 3-imino-1,2-benziso-tiazolinas. (Machine-translation by Google Translate, not legally binding)
ExpiredES361885A1
(en)
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