✦ LIBER ✦

Azoles. part 12. 1 synthesis of thieno-extended purines: First example of the imidazo[4′,5′:4,5]thieno[3,2-d]pyrimidine ring system

✍ Scribed by David W. Hawkins; Brian Iddon; Darren S. Longthorne

Publisher: Elsevier Science
Year: 1995
Tongue: French
Weight: 895 KB
Volume: 51
Category: Article
ISSN: 0040-4020
DOI: 10.1016/0040-4020(95)00845-y

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Synthesis of New Py

ChemInform Abstract: Synthesis of New Pyrido[4′,3′:4,5]thieno[2,3-d]-1,2,4-triazolo[3,4-c]pyrimidines and a 5,6-Dihydro-1,2,4-triazolo[4′′,3′′:1′,2′]pyrido[4′,3′:4,5]thieno [2,3-d]pyrimidine Ring System.

✍ E. Kh. Ahmed; A. M. N. Gohar; M. A. Ameen 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views

ChemInform Abstract: Synthesis of Novel

ChemInform Abstract: Synthesis of Novel Ring Systems: Synthesis of Imidazo(1,2-c)-1,2,4- triazolo(4,3-a)pyrimido(5′,4′:4,5)thieno(2,3-e)pyrimidine Derivatives.

✍ A. A. GEIES 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views

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.

✍ Jiann-Kuan Luo; Ronald F. Federspiel; Raymond N. Castle 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 36 KB 👁 1 views

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

✍ Jiann-Kuan Luo; Ronald F. Federspiel; Raymond N. Castle 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 347 KB 👁 1 views

## 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[_

Synthesis of Novel Pyrido[3′,2′:4,5]thie

Synthesis of Novel Pyrido[3′,2′:4,5]thieno[3,2-d]pyrimidines, Pyrido[3′′,2′′:4′,5′]thieno[3′,2′:4,5]pyrimido[1,6-a]benzimidazoles and Related Fused Systems.

✍ E. A. Bakhite; A. G. Al-Sehemi; Y. Yamada 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

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

✍ Jiann-Kuan Luo; Ronald F. Federspiel; Raymond N. Castle 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 351 KB 👁 1 views

## 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