✦ LIBER ✦

Synthesis of 1,2,3-triarylpyrroles from 1-benzylbenzotriazoles via [1 + 2 + 2] annulation

✍ Scribed by Alan R. Katritzky; Zouquan Wang; Jianqing Li; Julian R. Levell

Publisher: Journal of Heterocyclic Chemistry
Year: 1997
Tongue: English
Weight: 177 KB
Volume: 34
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570340448

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

1,2,3‐Triarylpyrroles 7 have been synthesized by sequential lithiation and alkylation of 1‐benzylbenzo‐triazoles 1 with 2‐bromoacetaldehyde diethyl acetal (2) and N‐benzylideneaniline (4), followed by treatment with formic acid in ethanol.

📜 SIMILAR VOLUMES

ChemInform Abstract: Synthesis of 1,2,3-

ChemInform Abstract: Synthesis of 1,2,3-Triarylpyrroles from 1-Benzylbenzotriazoles via [1 + 2 + 2] Annulation.

✍ A. R. KATRITZKY; Z. WANG; J. LI; J. R. LEVELL 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 views

ChemInform Abstract: Synthesis of Poly-S

ChemInform Abstract: Synthesis of Poly-Substituted 2-Pyridones via [3 + 2 + 1] Annulation Protocol from Baylis—Hillmann Adducts.

✍ Sung Hwan Kim; Sangku Lee; Se Hee Kim; Jae Nyoung Kim 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 42 KB 👁 1 views

ChemInform Abstract: Regioselective Synt

ChemInform Abstract: Regioselective Synthesis of 1,2,4,5-Tetrasubstituted Pyridines from Baylis—Hillman Adducts via Consecutive [3 + 2 + 1] Annulation Protocol.

✍ Sung Hwan Kim; Ko Hoon Kim; Hoo Sook Kim; Jae Nyoung Kim 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 42 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Expeditious Synthesis of New 1,2,3-Thiad

Expeditious Synthesis of New 1,2,3-Thiadiazoles and 1,2,3-Selenadiazoles from 1,2-Diaza-1,3-butadienes via Hurd—Mori-Type Reactions.

✍ Orazio A. Attanasi; Lucia De Crescentini; Gianfranco Favi; Paolino Filippone; Gi 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 313 KB 👁 1 views

Synthesis of 5,7-Diamino[1,2,4]triazolo[

Synthesis of 5,7-Diamino[1,2,4]triazolo[1,2-a][1,3,5]triazines via Annulation of 1,3,5-Triazine Ring onto 3(5)-Amino-1,2,4-triazoles.

✍ Anton V. Dolzhenko; Anna V. Dolzhenko; Wai-Keung Chui 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 22 KB 👁 1 views

ChemInform Abstract: Synthesis of 1,2-An

ChemInform Abstract: Synthesis of 1,2-Annulated and 1,2-Unsubstituted Pyrrolo[2,1,5-de]quinolizin-5-ones (Cycl[3.3.2]azin-5-ones) via [3 + 2] Cycloadditions of 1-Oxoquinolizinium Ylides with Cyclic Alkenes.

✍ Yun Liu; Hua-You Hu; Yan Zhang; Hong-Wen Hu; Jian-Hua Xu 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 30 KB

## Abstract One‐pot tandem reactions under conditions A) afford the title systems (III), (V) and (VII), respectively.