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Furopyridines. XXIX. Reactions of furo[2,3-b:4,5-c‘]-, -[3,2-b:-4,5-c’]-, -[2,3-c:4,5-c‘]- and -[3,2-c:3,2-c’]dipyridine

✍ Scribed by Seiji Yamaguchi; Keiko Orito; Noriko Shimizu; Katsunori Taniguchi; Hideo Saitoh; Masahide Kurosaki; Hajime Yokoyama; Yoshiro Hirai; Shunsaku Shiotani

Publisher: Journal of Heterocyclic Chemistry
Year: 1999
Tongue: English
Weight: 988 KB
Volume: 36
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570360113

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📜 SIMILAR VOLUMES

ChemInform Abstract: Furopyridines. Part

ChemInform Abstract: Furopyridines. Part 29. Reactions of Furo[2,3-b:4,5-c′]-, -[3,2-b:-4,5-c′]-, -[2,3-c:4,5-c′]- and -[3,2-c:3,2-c′]dipyridine.

✍ Seiji Yamaguchi; Keiko Orito; Noriko Shimizu; Katsunori Taniguchi; Hideo Saitoh; 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

Furopyridines. XXVI. Reactions of cyanop

Furopyridines. XXVI. Reactions of cyanopyridine derivatives of furo[2,3-b]-, -[3,2-b]-, -[2,3-c]- and -[3,2-c]pyridine

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## Abstract Bromination of α‐cyanopyridine derivatives of furopyridines 1a‐d gave the 2,3‐dibromo‐2,3‐dihydro compounds 2a‐d in excellent yields. Treatment of 2a‐d with sodium hydroxide in methanol yielded compounds formed through the dehydrobromination and solvolysis of the nitrile. __N__‐Oxidatio

Synthesis of New Thieno[2,3-b:5,4-c′]dip

Synthesis of New Thieno[2,3-b:5,4-c′]dipyridines.

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Furopyridines. XXVII. Reactions of 2-met

Furopyridines. XXVII. Reactions of 2-methyl and 2-cyano derivatives of furo[2,3-b]-, -[3,2-b]-, - [2,3-c]- and -[3,2-c]pyridine

✍ Seiji Yamaguchi; Masahide Kurosaki; Keiko Orito; Hajime Yokayama; Yoshiro Hirai; 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 770 KB

## Abstract Bromination of 2‐methylfuropyridines 1a‐d‐Me gave the 3‐bromo derivatives 2a‐d, while the 2‐cyano compounds 1a‐d‐CN resulted in the recovery of the starting compounds. Nitration of 1a‐d‐Me and 1a‐d‐CN did not yield the corresponding nitro derivative, except for 1‐c‐CN giving 3‐nitro der

ChemInform Abstract: Furopyridines. Part

ChemInform Abstract: Furopyridines. Part 26. Reactions of Cyanopyridine Derivatives of Furo[2,3-b]-, -[3,2-b]-, -[2,3-c]- and -[3,2-c]pyridine.

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Furopyridines. XXIII. Synthesis and reac

Furopyridines. XXIII. Synthesis and reactions of chloropyridine derivatives of furo[2,3-b]-, -[2,3-c]- and -[3,2-c]pyridine

✍ Shunsaku Shiotani; Katsunori Taniguchi 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 446 KB 👁 1 views

## Abstract Chlorination of the __N__‐oxides of furo[2,3‐__b__]‐ 1a, ‐[2,3‐__c__]‐ 1b and ‐[3,2‐c]pyridine 1c with phosphorus oxychloride afforded compounds substituted normally at the α‐ or λ‐position to the ring nitrogen, 2a, 2′a, 2b, 2c, 2′c and 2′c, and in addition, in the case of 1b, compounds