✦ LIBER ✦

Synthesis of new pyrazolo[1,5-a]pyrimidines and pyrazolo[3,4-b]pyridines

✍ Scribed by Saleh M. Al-Mousawi; Mohammad A. Mohammad; Mohamad H. Elnagdi

Publisher: Journal of Heterocyclic Chemistry
Year: 2001
Tongue: English
Weight: 29 KB
Volume: 38
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570380430

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

While 3(5)‐aminopyrazole reacts with enaminonitrile to yield pyrazolo[1,5‐a]pyrimidines, 3‐amino‐5‐pyrazolone reacts with the same reagents to yields pyrazolo[3,4‐b]pyridines.

📜 SIMILAR VOLUMES

ChemInform Abstract: Synthesis of New Py

ChemInform Abstract: Synthesis of New Pyrazolo[1,5-a]pyrimidines and Pyrazolo[3,4-b]pyridines.

✍ Saleh M. Al-Mousawi; Mohammad A. Mohammad; Mohamad H. Elnagdi 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 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

Synthesis of Some New Pyrazolo[4,3-B]Pyr

Synthesis of Some New Pyrazolo[4,3-B]Pyridine, Pyridine, Pyrazolo[1,5-A]Pyrimidine and Thiazole Derivatives

✍ Fathy M. A. El-Taweel 📂 Article 📅 2010 🏛 Wiley (John Wiley & Sons) ⚖ 414 KB 👁 1 views

ChemInform Abstract: Synthesis of New Az

ChemInform Abstract: Synthesis of New Azoloazine Derivatives: New Routes to 1,2,4-Triazolo[4,3-a]pyrimidines, Pyrazolo[1,5a]pyridines and Pyrazolo[3,4-b]pyridinones.

✍ Balkis Al-Saleh; Mervat Mohammed Abdel-Khalik; Amal Al-Enzy; Mohammed Hilmy Elna 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 2 views

Convenient synthesis of some new pyrazol

Convenient synthesis of some new pyrazolo[1,5-a]pyrimidine, pyridine, thieno[2,3-b]pyridine, and isoxazolo[3,4-d]pyridazine derivatives containing benzofuran moiety

✍ Abdou O. Abdelhamid 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 149 KB

## Abstract magnified image Pyrazolo[1,5‐__a__]pyrimidines, pyrazoles, and thieno[2,3‐__b__]pyridine were synthesized from sodium salt of 5‐benzofuran‐2‐yl‐3‐hydroxypropenone and the appropriate of heterocyclic amines, diazonium chloride, and 1,3‐dicarbonoyl compounds. Pyrimidino[4′,5′:4,5]thieno[

ChemInform Abstract: Convenient Synthesi

ChemInform Abstract: Convenient Synthesis of Some New Pyrazolo[1,5-a]pyrimidine, Pyridine, Thieno[2,3-b]pyridine, and Isoxazolo[3,4-d]pyridazine Derivatives Containing Benzofuran Moiety.

✍ Abdou O. Abdelhamid 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 36 KB 👁 1 views

ChemInform Abstract: Enaminonitriles in

ChemInform Abstract: Enaminonitriles in Heterocyclic Synthesis: New Routes for the Synthesis of Some Novel Azolo[1,5-a]pyrimidine, Pyrimido[1,2-a]benzimidazole, Pyrido[1,2-a]benzimidazole, Pyrazolo[3,4-b]pyridine, Pyrazole and Pyrimidine Derivatives.

✍ Khadijah Mohamed Al-Zaydi; Mariam Abd Alha Al-Shiekh; Ebtisam Abdel-Aziz Hafez 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 2 views