Aza-[4+3] and Aza-[3+2] Annulations for Synthesis of Dihydroazepines and Dihydropyrroles from Alkynes, Sulfonyl Azides, and 1,3-Dienes
β Scribed by Kim, Sanghyuck; Mo, Juntae; Kim, Jaeeun; Ryu, Taekyu; Lee, Phil Ho
- Book ID
- 125431809
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2014
- Tongue
- English
- Weight
- 461 KB
- Volume
- 3
- Category
- Article
- ISSN
- 2193-5807
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π SIMILAR VOLUMES
AbstractΓThe synthesis and some reactions of imines derived from aminoalkylbisphosphonates and 2-aza-1,3-butadienes is described. Bisphosphonylalkylimino compounds are useful intermediates in the preparation of aminoalkylbisphosphonate derivatives by reduction of the imino linkage with sodium triace
4-Dimethylamino 2-aza-l,3-diene~ 2a,b derived respectively from methyl N-(Iethoxyethyliden)glycinate la and methyl N-[bis-(methylthio)methylene]glycinate lb react with hydrazines 3a,b and amines 3e,d to give the corresponding new imidazole-4-carboxylates 5(a-f) by a solvent-free aza-annulation.