ChemInform Abstract: Synthesis of New Co
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J. VALENCIANO; A. M. CUADRO; J. J. VAQUERO; J. L. GARCIA-NAVIO; J. ALVAREZ-BUILL
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Article
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2010
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John Wiley and Sons
⚖ 33 KB
Synthesis of New Conjugated Mesomeric Betaines from Alkoxycarbonylazinium Salts. -Treatment of the iodide (I), which is generated from 2-ethoxycarbonylpyridinium N-aminide, with aminoheterocycles leads to various mesomeric betaines like (III) and (VI). In some cases, however, desired betaines are n