The Synthesis of Some New Derivatives Derived from 1,2,3,4-Tetrahydrocyclohepteno[4,5]thieno-[2,3- d ]pyrimidine
✍ Scribed by Aly, A. S.; El-Gazzar, A. B. A.; Hussein, H. A. R.
- Book ID
- 115461836
- Publisher
- Taylor and Francis Group
- Year
- 2007
- Tongue
- English
- Weight
- 176 KB
- Volume
- 182
- Category
- Article
- ISSN
- 1042-6507
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract magnified image An efficient one‐pot access for the synthesis of the previously unreported tetracyclic fused pyrimido‐[4″,5″:4′,5′]thieno[3′,2′:4,5]thieno[3,2‐__d__]pyrimidine (**3**) and 1,2,3‐triazine[4″,5″:4′,5′]thieno‐[3′,2′:4,5]thieno‐[3,2‐__d__]‐1,2,3‐triazine (**5**) heteroaroma
## Abstract magnified image The carbodiimides **5**, obtained from reactions of iminophosphorane **4** with aromatic isocyanates, reacted with amines, phenols or ROH to give 2‐substituted 5,6,7,8‐tetrahydropyrido[4′,3′:4,5]thieno[2,3‐__d__]‐pyrimidin‐4(3__H__)‐one 7 in the presence of catalytic am