Zum Einfluss der Elektrolytströmung an d
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P. Bersier; J. Bersier; R. Chaperon; F. Hügli
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Article
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1961
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John Wiley and Sons
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German
⚖ 304 KB
The synthesis of urea, thiourea and tetrahydroimidazole derivatives of D-glucosamine is described. The urea and thiourea derivatives of type I1 and I11 are prepared by condensation of the appropriate isocyanate or thioisocyanate with I and deacetylation of the resulting I1 with ammonia in methanol.