Novel Heteroaromatic System: the Thieno[3',4':4,5]thieno[2,3-c]pyrylium Cation
β Scribed by S.V. Tolkunov; V.I. Dulenko
- Book ID
- 110308532
- Publisher
- Springer US
- Year
- 2001
- Tongue
- English
- Weight
- 96 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
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## Abstract Four previously unknown polycyclic heterocyclic ring systems, namely, benzo[__h__]thieno[3β²,2β²:4,5]βthieno[2,3β__c__]quinoline (6), benzo[__h__]thieno[3β²,2β²:4,5]thieno[2,3β__c__]quinoline (11), benzo[__f__]thienoβ[3β²,2β²:4,5]thieno[2,3β__c__]tetrazolo[1,5β__a__]quinoline (12) and benzo[_
## Abstract magnified image An efficient oneβpot access for the synthesis of the previously unreported tetracyclic fused pyrimidoβ[4β³,5β³:4β²,5β²]thieno[3β²,2β²:4,5]thieno[3,2β__d__]pyrimidine (**3**) and 1,2,3βtriazine[4β³,5β³:4β²,5β²]thienoβ[3β²,2β²:4,5]thienoβ[3,2β__d__]β1,2,3βtriazine (**5**) heteroaroma