✦ LIBER ✦

A new and efficient synthesis of imidazo[1,5-a] pyridine derivatives by a tandem aza-Wittig / electrocyclic ring closure of N-vinylic phosphazenes

✍ Scribed by Francisco Palacios; Concepción Alonso; Gloria Rubiales

Publisher: Elsevier Science
Year: 1995
Tongue: French
Weight: 414 KB
Volume: 51
Category: Article
ISSN: 0040-4020
DOI: 10.1016/0040-4020(95)00083-k

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Fused pyridines by a tandem aza-wittig /

Fused pyridines by a tandem aza-wittig / heterocyclization strategy: Synthesis of 1,2,4-triazolo[1,5-a]pyridines and pyrido[1,2-b][1,2,4]triazines

✍ Magda A. Barsy; Eman A. El Rady; Fawi M. Abd El Latif 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 410 KB

## Abstract magnified image The iminophosphorane 1‐amino‐6‐(triphenylphosphoranylideneamino)‐2‐oxo‐4‐phenyl‐1,2‐dihydro‐pyridine‐3,5‐dicarbonitrile **2** prepared from 1,6‐diaminopyridine **1** reacts with heterocumulenes such as carbon disulfide and phenylisocyanate, and with acid chlorides, acid

ChemInform Abstract: Fused Pyridines by

ChemInform Abstract: Fused Pyridines by a Tandem Aza-Wittig/Heterocyclization Strategy: Synthesis of 1,2,4-Triazolo[1,5-a]pyridines and Pyrido[1,2-b][1,2,4]triazines.

✍ Magda A. Barsy; Eman A. El Rady; Fawi M. Abd El Latif 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 37 KB

ChemInform Abstract: A New Entry to the

ChemInform Abstract: A New Entry to the Preparation of Pyrrolo(2,3-b)quinolines (V) by an Aza Wittig/Electrocyclic Ring-Closure/Nitrene Insertion Process.

✍ P. MOLINA; J. ALCANTARA; C. LOPEZ-LEONARDO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB 👁 2 views

New Efficient Synthesis of 6,7,8,9-Tetra

New Efficient Synthesis of 6,7,8,9-Tetrahydro-benzothieno[2,3-d]-1,2,4-triazolo [1,5-a]pyrimidin-10(3H)-ones via a Tandem Aza-Wittig/Heterocumulene-Mediated Annulation.

✍ Ming-Wu Ding; Nian-Yu Huang; Hong-Wu He 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 24 KB 👁 1 views

Synthesis of Diazaheterocyclic Ring-Fuse

Synthesis of Diazaheterocyclic Ring-Fused 1,2,4-Benzothiadiazine 1,1-Dioxides by a Sequential Aza-Wittig/NH-Addition Cyclization/Nucleophilic Ring-Closure Methodology with N-Alkenyl-2-carbodiimidobenzenesulfonamides as Key Intermediates

✍ Shinsuke Hirota; Ryo Kato; Madoka Suzuki; Yuji Soneta; Takashi Otani; Takao Sait 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 303 KB 👁 1 views

ChemInform Abstract: Synthesis of Diazah

ChemInform Abstract: Synthesis of Diazaheterocyclic Ring-Fused 1,2,4-Benzothiadiazine 1,1-Dioxides by a Sequential Aza-Wittig/NH-Addition Cyclization/Nucleophilic Ring-Closure Methodology with N-Alkenyl-2-carbodiimidobenzenesulfonamides as Key Intermediates.

✍ Shinsuke Hirota; Ryo Kato; Madoka Suzuki; Yuji Soneta; Takashi Otani; Takao Sait 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 60 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