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Carboxylic Acid Derivatives of 3-Alkylthio-5-amino- and 3-Alkylsulfonyl-5-amino-l,2,4-triazoles

✍ Scribed by Dr. Klaus Sasse; Dr. Harald Niedrig


Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
331 KB
Volume
20
Category
Article
ISSN
0044-8249

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📜 SIMILAR VOLUMES


Kohlensäure-Derivate von 3-Alkylthio-5-a
✍ Dr. Klaus Sasse; Dr. Harald Niedrig 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 222 KB 👁 1 views

**Die Carbamidsäureester __(2)‐(4)__, die für biologische Untersuchungen benötigt werden**, sind nicht durch Acylierung der Amino‐triazole __(1)__ zugänglich, wie eine Reihe gescheiterter Syntheseversuche zeigt (R und R′ = Alkyl oder Aryl). Der Carbamidsäure‐Rest muß vielmehr schon bei der Synthese

Syntheses of some new 4-amino-5-(N-methy
✍ Guofeng Jia; Zhengming Li 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 281 KB

## The cyclization of 4-arnino-5-(N-methyl-arylsulfonarnido) methyl-1,2,4-triazole-3-thiones 11, synthesized by the Reid and Heindel approach, with a-chloroacetophenone yields 7H-6-aryl-3-(N-rnethyl-arylsulfonarnido) methyl-s-triazob[3,4-b][l, 3,4]-thiazines 111. Novel compounds I1 also react with

TLC resolution of enantiomers of amino a
✍ R. Bhushan; J. Martens; Sabine Wallbaum; Shalini Joshi; Vineeta Parshad 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 110 KB

The enantiomeric resolution of certain amino acids and some of their dansyl derivatives was achieved on thin silica gel plates impregnated with (1R, 3R, 5R)-2-Azabicyclo[3,3,0]octan-3-carboxylic acid, which is an industrial waste material, and a proline analogue non proteinogenic ␣-amino acid. Diffe