A Convenient Synthesis of 2,3-Dihydro-4 H -thiopyrano[2,3- b ]-, -[2,3- c ]-, or -[3,2- c ]pyridin-4-ones by the Reaction of the Corresponding 1-(Chloropyridinyl)alk-2-en-1-ones with NaSH
✍ Scribed by Kobayashi, Kazuhiro; Imaoka, Ayumi
- Book ID
- 120188179
- Publisher
- John Wiley and Sons
- Year
- 2013
- Tongue
- German
- Weight
- 187 KB
- Volume
- 96
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract A new synthetic route to 6‐substituted‐imidazo[4,5‐__c__]pyridin‐2‐ons from 4‐aminopyridine has been investigated. 4‐Aminopyridine protected as alkyl carbamates were nitrated with dinitrogen pentoxide to the corresponding methyl, __i__‐propyl and __t__‐butyl 3‐nitropyridin‐4‐yl carbamat
## Abstract An efficient two‐step synthesis of novel 3‐(5‐amino‐[1,3,4]thiadiazol‐2‐yl)‐2__H__‐pyrano[2,3‐__c__]pyridine‐2‐ones was developed. In the first step, a new 2__H__‐pyrano[2,3‐__c__]pyridine‐3‐carboxamide **5** was prepared by Knoevenagel condensation of pyridoxal hydrochloride with cyano