Umpolung of the 5-Alkyl-2-dimethylamino-1,3-dithiolium-4-thiolate Mesoion and Its Application in the Synthesis of Some New Tetrathiafulvalenes.
✍ Scribed by Jonas Hellberg; Emma Dahlstedt; Andreas Woldegiorgis
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 162 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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## Abstract A mixture of both geometrical isomers of hydrazones **3a‐3e** was obtained by the coupling reactions of pyrazole‐3‐diazonium salts __2a‐2d__ and benzenediazonium chloride **2e** with 2‐pyridylacetonitrile **1**. Hydrazones **3a‐3d** were cyclized to the corresponding 4‐amino‐3‐(2‐pyridy
## Abstract magnified image Potassium 1,1‐dioxopyrido[4,3‐__e__]‐1,4,2‐dithiazine‐3‐thiolate **2** has been synthesized and applied to the syntheses of 7__H__‐1,1‐dioxopyrido[4,3‐__e__]‐1,4,2‐dithiazolium‐3‐thiolate **3** and 3‐methylthiopyrido[4,3‐__e__]‐1,4,2‐dithiazine 1,1‐dioxide **4** which p
## Abstract magnified image A number of aldimines have been obtained in very good yield in reaction of 5‐formyl‐1,3‐dimethyluracil with various substituted anilines in boiling methanol. Selected aldimines were treated with nitrile oxides generated from 4‐chlorobenzaldoxime or 4‐methylbenzaldoxime f