✦ LIBER ✦

New syntheses of pyrazolo[3,4-d]pyrimidine, pyrazolo[3,4-d]pyridazine, isoindolinedione and pyrazole derivatives

✍ Scribed by Dr. Abdou O. Abdelhamid; Dr. Abdalla M. Negm; Dr. Ikhlass M. Abbas

Publisher: John Wiley and Sons
Year: 1989
Tongue: English
Weight: 308 KB
Volume: 331
Category: Article
ISSN: 1615-4150
DOI: 10.1002/prac.19893310106

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Recent Syntheses of Pyrazolo[3,4-d]pyrim

Recent Syntheses of Pyrazolo[3,4-d]pyrimidine Ring Systems

✍ Qun Dang 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 8 KB

One pot syntheses of thiazol-2-hydrazone

One pot syntheses of thiazol-2-hydrazone, pyridino[2,3-d]pyridazine, pyrazolo[3,4-d]pyridazine, and isoxazolo[4,5-d]pyridazine derivatives

✍ Rafat M. Mohareb; Daisy H. Fleita 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 140 KB 👁 1 views

## Abstract Reactions of the pyridazine derivatives **1a–c** with phenyl isothiocyanate followed by heterocyclization with ethyl chloroacetate gave the thiazolidinone derivatives **6a–c**. The reactivity of **6a** towards some chemical reagents was studied. © 2002 Wiley Periodicals, Inc. Heteroatom

A convenient synthesis of pyrazolo[3,4-d

A convenient synthesis of pyrazolo[3,4-d]pyrimidine-4,6-dione and pyrazolo[4,3-d]pyrimidine-5,7-dione derivatives

✍ M. El Haddad; M. Soukri; S. Lazar; A. Bennamara; G. Guillaumet; M. Akssira 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 470 KB

## Abstract Pyrazolo‐[3,4‐__d__]pyrimidine‐4,6‐diones **5** and pyrazolo[4,3‐__d__]pyrimidine‐5,7‐diones **7** were synthesized by Curtius rearrangement of pyrazolic mono‐esters **2** and **3** followed by hetero‐cyclization __via__ the ureas derivatives **4** and **6** under alkaline conditions.

Antibacterial and Antifungal Activities

Antibacterial and Antifungal Activities of New Pyrazolo[3,4-d]pyridazin Derivatives.

✍ Esvet Akbas; Ismet Berber 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 26 KB 👁 2 views

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

ChemInform Abstract: Reactions with Hydr

ChemInform Abstract: Reactions with Hydrazonoyl Halides. Part 18. Synthesis of Pyrrolidino[3,4-c]pyrazole, Pyrazolo[3,4-d]pyridazine, Imidazo[1,2-a]pyridine, Pyrazolo[3,4-d]pyrimidine and Other Heterocyclic Derivatives

✍ H. A EMAM; A. O. ABDELHAMID 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB 👁 1 views

A Convenient Route for the Synthesis of

A Convenient Route for the Synthesis of Pyrazolo[3,4-d]pyrimidine, Pyrazolo[3,4-b][1,6]naphthyridine and Pyrazolo[3,4-b]quinoline Derivatives.

✍ Madhukar N. Jachak; Appasaheb B. Avhale; Vijay J. Medhane; Raghunath B. Toche 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 33 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, please click on HTML or PDF.