Synthesis and Properties of N-[1-(Arylcarbonyloxy)alkyl]pyridinium Salts
✍ Scribed by Dr. Ernst Anders; Thomas Gassner
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 198 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Treatment of salts 1a-b with Grignard reagents gives, after reduction of the resulting unstable dihydropyridines 7, the tetrahydropyridines 8a-c, with modest selectivities but in very few steps and under practical conditions. Higher stereoand regioselectivities are obtained with salt 1c which gives
## Abstract Isatin and 5‐methylisatin were condensed with various aryloxyacetylhydrazides to furnish the 3‐(aryloxyacetylhydrazono)‐5‐alkylindolin‐2‐ones **1–4**. When **1–4** were subjected to __Mannich__ reaction, the __N,N__‐disubstituted 1‐(aminomethyl)‐5‐alkyl‐3‐(aryloxyacetylhydrazono)indolin