Process for preparing thiazole by aminomethylation

Details Process for preparing thiazole by aminomethylation Process for preparing thiazole by aminomethylation

2005-06-10

2008-10-21

Balasubramanian, Venkataraman (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C548S198000

Reexamination Certificate

active

07439357

ABSTRACT:
A process for preparing a thiazole compound of formula (3): wherein X1represents a hydrogen atom or a halogen atom comprising reacting a compound of formula (1): wherein X1is as defined above, and X2represents a halogen atom, with ammonia and formaldehyde to obtain a hexahydrotriazine compound of formula (2): wherein X1is as defined above, and hydrolyzing the compound of formula (2).

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