Reaction of benzimidazole-2-thione with 1,2-dibromoethane. Coronand synthesis
โ Scribed by I. I. Popov
- Book ID
- 104789237
- Publisher
- Springer US
- Year
- 1990
- Tongue
- English
- Weight
- 44 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0009-3122
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๐ SIMILAR VOLUMES
Reaction of benzimidazole-2(2@-thione 2 with dimethyl acetylenedicarboxylate (DMAD) has been reported by Grinblat and Postovskii to give the thiazolo[3,2-albenzimidazole 2.' On mechanistic grounds, however, condensation of i with DMAD can give rise to one or more of at least four products ,2, 2, 4~
The coupling reaction of polyisoprenyllithium with 1,2-dibromoethane (DBE) gives a multimodal molecular weight distribution (MWD). Species with molecular weights three and four times (P 3 , P 4 ) higher than the base polymer (P) are present beside the main expected one with double molecular weight (