Synthesis of Benzimidazole Ketene N,S-Acetals and Their Reactions with Nucleophiles.
โ Scribed by Galal H. Elgemeie; Hosny A. Ali; Ahmed H. Elghandour; Ahmed M. Hussein
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 121 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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๐ SIMILAR VOLUMES
a-Aroyl substituted bis-ketene N,S-acetals 3-6 with a polyrnethylene linkage, N,N'-bis(l-methylthio-2-aroy1)vinyl polymethylene diamines, were synthesized by reactions between a-aroyl ketene dithioacetals 1 and polymethylene diamines 2 in moderate yields.
Convenient Synthesis of Ketene N,S-Acetal from Low Nucleophilic Arylamine. -A convenient method for the substitution reaction of ketene dithioacetals with low nucleophilic aromatic amines to furnish simple ketene N,S-acetals such as (III) and (V) is described.