In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis and antitrichomonal activity of azinium (azolium) 4-nitrobenzimidazolate betaines and their derivatives, published in 1992-03-31, which mentions a compound: 15965-55-6, mainly applied to protozoacide nitrobenzimidazolate betaine; trichomonacide nitrobenzimidazolate betaine; benzimidazolate nitro betaine trichomonacide, Electric Literature of C7H4ClN3O2.
Among the many attractive types of heterocyclic betaines, the inner salts of azinium azolates and azolium azolates are few and scattered. The antiprotozoal activity (in vitro) against Trichomonas vaginalis of a variety of mesomeric betaines of pyridinium azolates, their N-azolylpyridinium salts, and N-5-nitrobenzimidazol-2-ylpyridinium derivatives, e.g. 1-(5-nitro-1H-benzimidazol-2-yl)-2,4,6-triphenylpyridinium salts was reported. In the present study, 1-(4-nitro-1H-benzimidazol-2-yl)pyridinium salts were prepared and tested against T. vaginalis in vitro and in vivo.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com