The synthesis of novel polycyclic hetero
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Jiann-Kuan Luo; Ronald F. Federspiel; Raymond N. Castle
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Article
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1998
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Journal of Heterocyclic Chemistry
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English
⚖ 347 KB
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## Abstract Four previously unknown polycyclic heterocyclic ring systems, namely, benzo[__h__]thieno[3′,2′:4,5]‐thieno[2,3‐__c__]quinoline (6), benzo[__h__]thieno[3′,2′:4,5]thieno[2,3‐__c__]quinoline (11), benzo[__f__]thieno‐[3′,2′:4,5]thieno[2,3‐__c__]tetrazolo[1,5‐__a__]quinoline (12) and benzo[_