Synthesis of benzo-, pyrido-, thieno- and imidazo-fused N-hydroxy-4-oxopyrimidine-2-carboxylic acid derivatives
✍ Scribed by Lluís Bosch; Jean-François Mouscadet; Xio-Ju Ni; Jaume Vilarrasa
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- French
- Weight
- 461 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract Convenient syntheses of 3‐substituted ethyl 4‐oxo‐2‐thioxo‐1,2,3,4,5,6,7,8‐octahydropyrid[4′,3′:4,5]thieno[2,3‐d]pyrimidine‐7‐carboxylates **__3a, b, 6, 11–13__**, ethyl 3‐methyl‐5‐oxo‐2,3,6,9‐tetrahydro‐5 H‐pyrido[4′,3′:4,5]thieno[2,3‐d][1,3]thiazolo[3,2‐a]pyrimidine‐8‐7H‐carboxylate (
## Mstract -The condensation of ethyl urcido-oxyacetatc. O-methyl and O-bcnxylhydroxyurca with aoztylacetonc in cthanolic hydrogen chloride was found to bc a facile reaction which led to Icarbcthoxymcthoxy. 1 mcthoxy and 1 -bcnzyloxy-1 .2-dihydro-4.6dimethyl-2-oxopyrimidinc rcspeo tively. The N-rn