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The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 1. Thieno[3′,2′:4,5]thieno[2,3-c]quinoline and thieno[2′,3′:4,5]thieno[2,3-c]quinoline

✍ Scribed by Steven L. Castle; Jiann-Kuan Luo; Hirotaka Kudo; Raymond N. Castle; Milton L. Lee

Book ID
112129044
Publisher
Journal of Heterocyclic Chemistry
Year
1988
Tongue
English
Weight
194 KB
Volume
25
Category
Article
ISSN
0022-152X

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The synthesis of novel polycyclic hetero
The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 20. Benzo[h]thieno[3′,2′:4,5]thieno[2,3-c]-quinoline, benzo[f]thieno[3′,2′:4,5]thieno[2,3-c]quinoline, benzo[f]thieno[3′,2′:4,5]thieno[2,3-c]tetrazolo[1,5-a]quinoline and benzo[f]thieno[3′,2′:4,5]thieno[2,3-c][1,2,4]triazolo[4,3-a]quinoline
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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[_

ChemInform Abstract: The Synthesis of No
ChemInform Abstract: The Synthesis of Novel Polycyclic Heterocyclic Ring Systems via Photocyclization. Part 20. Benzo[h]thieno[3′,2′:4,5]thieno[2,3-c]quinoline, Benzo[f]thieno[3′,2′:4,5]thieno[2,3-c]quinoline, Benzo[f]thieno[3′,2′:4,5]thieno[2,3-c]tetrazolo[1,5-a]quinoline and Benzo[f]thieno[3′,2′:4,5]thieno[2,3-c][1,2,4]triazolo[4,3-a]quinoline.
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The synthesis of novel polycyclic hetero
The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 15. [1] Benzothieno[3′,2′:4,5]thieno[2,3-c]quinoline, [1] benzothieno[3′,2′:4,5]thieno[2,3-c][1,2,4]triazolo[4,3-a]quinoline, [1] benzothieno[3′,2′:4,5]thieno[2,3-c]tetrazolo[1,5-a]quinoline, thieno[3′,2′:4,5]thieno[2,3-c][1,2,4]triazolo[4,3-a]quinoline, and thieno[3′,2′:4,5]thieno[2,3-c]tetrazolo[1,5-a]quinoline
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The synthesis of novel polycyclic hetero
The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 19. Thieno[3′,2′:4,5]thieno[2,3-c]-naphtho[1,2-f]quinoline, thieno[3′,2′:4,5]thieno[2,3-c]naphtho-[1,2-f][1,2,4]triazolo[4,3-a]quinoline and thieno[3′,2′:4,5]-thieno[2,3-c]naphtho[1,2-f]tetrazolo[1,5-a]quinoline
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## Abstract Photocyclization of 3‐chloro‐N‐(3‐phenanthryl)thieno[2,3‐__b__]thiophene‐2‐carboxamide (5) yielded only one of the two possible structural isomers, thieno[3′,2′:4,5]thieno[2,3‐__c__]naphtho[1,2‐__f__]quinolin‐6(5__H__)‐one (6), which was further elaborated to afford the unsubstituted ri