YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
Vitamin B1及び諸関係化合物の研究 第89報
Thiamineから生成する一新化合体
平野 弘
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1957 年 77 巻 9 号 p. 1007-1011

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When aqueous solution of the sodium salt of thiol-type thiamine is warmed, there is an evolution of hydrogen sulfide and butanolic extract of this reaction solution affords a new substance of m. p. 171-172°. The molecular formula of this substance, C12H16O2N4, agrees with those of a compound formed by the liberation of H2S from thiamine. A new substance of m. p. 238° is obtained similarly from the 5-methyithiazolium homolog (II) of thiamine. These substances were assumed to be a pyrimidodiazepine compounds (V and VI) from the infrared spectral measurements, chemical reactions, and syntheses of their decomposition products.

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© by the PHARMACEUTICAL SOCIETY OF JAPAN
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