Synthesis of the 3,5,3′,5′-3H4-2,2′-diphenylene-iodonium cation and of its 4-nitro derivative
✍ Scribed by Jean-Luc Berthon; Marylène Dias; René Mornet; Jean-Michel Camadro
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- French
- Weight
- 252 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0022-2135
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A simple four-stage conversion of 2-1nethyl-4(5>nitroimidazole to 2-methyl-4(5)-nitr0['~N""]imidazole is reported. The method consists in N-nitration of the initial compound to ?-methyl-1,4-dinitroimidazole, treating the latter with ["Nlglycine and N-dealkylation of the obtained (~-rnethyl-4-nitro[~
A novel soluble conjugated polymer, poly[(2,5-diphenylene-1,3,4-oxadiazole)-4,4Ј-vinylene] (O-PPV), containing an electron-transporting group on the main chain of PPV, was synthesized according to HORNER mechanism. The oligo-polymer with M w ϭ 1000 and T d ϭ 270°C is soluble in chloroform and tetrah