Vicarious nucleophilic substitution of hydrogen in aldehydes and Knoevenagel reaction of iminium salts with α-halocarbanions
✍ Scribed by M. Makosza; D. N. Kozhevnikov
- Book ID
- 110333561
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 234 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1573-9171
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📜 SIMILAR VOLUMES
## Abstract Nitropyridines and chloronitropyridines react with carbanions of α‐chloroalkyl phenyl sulfones yielding products of the vicarious nucleophilic substitution of hydrogen at positions __ortho__ and __para__ to the nitro group. A general rule that the vicarious substitution of hydrogen proc
Halo carbanions / Vicarious Nucleophilic Substitution (VNS) / Annulation / Quinoxalines / Naphthyridines Carbanions of a-haloalkyl aryl sulfones, sulfonates, and sulfonamides react with bicyclic heteroaromatic compounds (qui- noxalines, naphthyridines, and 5-azaquinoxalines) according to two general