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- W4243412811 abstract "Cyanothiamine was submitted to decomposition with hydrochloric acid, 4-methyl-5- (2-hydroxyethyl) -4-thiazolin-2-one, secondarily formed by the action of the acid on 3-thiocyano-5-hydroxypentan-2-one, one of the decomposition products of the foregoing reaction, was separated, and the structure of cyanothiamine was reconfirmed.The substance of m.p. 215° (decomp.), separated during the decomposition of cyanothiamine with hydrochloric acid, afforded thiochrome in an extremely good yield by the application of water or weak acid. It was found to give 2-imino-3-[(2-methyl-4-amino-5-pyrimidinyl) methyl]-4-methyl-5-(2-hydroxyethyl) thiazole on the application of a strong acid. Further, chemical properties and ultraviolet absorption spectra were examined, and the structure of this substance was concluded as 2-imino-3-[(2-methyl-4-amino-5-pyrimidinyl) methyl]-3a-methyl-3a, 5, 6, 6a-tetrahydrofuro [2, 3-d] thiazole." @default.
- W4243412811 created "2022-05-12" @default.
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- W4243412811 date "1958-01-01" @default.
- W4243412811 modified "2023-09-27" @default.
- W4243412811 title "Studies on Vitamin B<sub>1</sub> and Related Compounds. XCIII" @default.
- W4243412811 doi "https://doi.org/10.1248/yakushi1947.78.5_472" @default.
- W4243412811 hasPublicationYear "1958" @default.
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