An improved synthesis of vitamin B6 (pyr
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H. M. Wuest; J. A. Bigot; Th. J. de Boer; B. V. D. Wal; J. P. Wibaut
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Article
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2010
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Elsevier Science
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English
β 973 KB
## Abstract The known synthesis of βIchiba acidβ, 2βmethylβ3βhydroxypyridine 4,5βdicarboxylic acid (VII), starting from ethyl acetylpyruvate and cyanoacetamide, has been reinvestigated and simplified to a five step process. Several derivatives of Ichiba acid have been prepared including the triben