Synthesis of 1-(2-sulfoethyl)-pyridinium betaine
This application is a 371 of PCT/EP99/00431, filed Jan. 22, 1999. The invention relates to the preparation of 1-(2-sulfoethyl)pyridinium betaine. Described is a process for preparing 1-(2-sulfoethyl)pyridinium betaine wherein pyridine is reacted with a sulfoethylating agent from the group consisting...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | This application is a 371 of PCT/EP99/00431, filed Jan. 22, 1999. The invention relates to the preparation of 1-(2-sulfoethyl)pyridinium betaine.
Described is a process for preparing 1-(2-sulfoethyl)pyridinium betaine wherein pyridine is reacted with a sulfoethylating agent from the group consisting of carbyl sulfate, ethionic acid and its salt and vinylsulfonic acid and vinylsulfonate, the reaction taking place in aqueous solution or in pyridine. |
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