Addition of 1,1,2-trichloro-1 1,2,2-trifluoroethane (F113) to alkenes and alkynes initiated by a redox system
β Scribed by Hu Chang-Ming; Qing Feng-Ling
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 114 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
We wish to report an efficient synthesis of 11-deoxy PGElg, 11-deoxy PGFlc, and ll-deoxy PGFl5 and its 158 epimers via the key intermediate 2-(6'-carbomethoxyhexyl)-cyclopenten-1-one-3-carboxaldehyde (6). Michael addition of nitromethane to the ketone 1 7a , catalyzed with tetra-2 methylguanidine ,
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A number of 5-(alkylamino)-or 5-(arylamino)-2H-pyrrolium butyl isocyanide converts the protonated Ξ±-chlorocinnamaldimines 2j,k into the 5-(tert-butylamino)-pyrrole-2-salts 3 or 5 have been obtained by treating the 1-aza-1,3diene hydrochlorides 2 with isocyanides R 4 NC in refluxing carbonitriles 13.