ChemInform Abstract: 1,2,4-Triazines in Organic Synthesis. Part 37. Transformations of Phenylhydrazones of 5-Acyl-1,2,4-triazines to Pyrazolo[4,3-e][1,2,4]triazines or 4-Cyanopyrazole.

Transformations of phenylhydrazones of 5

Transformations of phenylhydrazones of 5-acyl-1,2,4-triazines to pyrazolo[4,3-e][1,2,4]triazines or 4-cyanopyrazole

✍ Mariusz Mojzych; Andrzej Rykowski 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 310 KB 👁 1 views

## Abstract magnified image A simple and high yielding preparation of pyrazolo[4,3‐__e__][1,2,4]triazines and 4‐cyano‐3‐methyl‐1‐phenylpyrazole derivatives from corresponding phenylhydrazones of 5‐acyl‐1,2,4‐triazines by melt under acidic medium and by thermal heating, respectively.

ChemInform Abstract: 1,2,4-Triazines in

ChemInform Abstract: 1,2,4-Triazines in Organic Synthesis. Part 12. A New Synthesis of Pyrazolo[4,3-e][1,2,4]triazines via Acid Promoted Ring Closure of the Phenylhydrazones of 5-Acyl-1,2,4-triazines.

✍ Andrzej Rykowski; Mariusz Mojzych; Zbigniew Karczmarzyk 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views

Synthesis of Pyrazolo[5,1–c][1,2,4]triaz

Synthesis of Pyrazolo[5,1–c][1,2,4]triazines, Isoxazolo[3,4-e]pyrazolo-[5,1–c][1,2,4]triazines and Aminopyridones

✍ Kamal U. Sadek; Nadia S. Ibrahim; Mohamed H. Elnagdi 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 236 KB 👁 1 views

ChemInform Abstract: Transformations of

ChemInform Abstract: Transformations of 1,2,4-Triazines in Reactions with Nucleophiles. Part 4. Nucleophilic Substitution of Hydrogen in 1,2,4-Triazine 4-Oxides under Acylation Conditions.

✍ V. L. Rusinov; D. N. Kozhevnikov; I. S. Kovalev; O. N. Chupakhin; G. G. Aleksand 📂 Article 📅 2001 🏛 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 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 5-Substituted 1,3-Dimethylp

Synthesis of 5-Substituted 1,3-Dimethylpyrazolo[4,3-e][1,2,4]triazines.

✍ Kayed A. Abu Safieh; Ahmad M. Abu Mahthieh; Mustafa M. El-Abadelah; Mikdad T. Ay 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 22 KB 👁 1 views

ChemInform Abstract: Trisubstituted 1,3,

ChemInform Abstract: Trisubstituted 1,3,5-Triazines. Part 4. Synthesis of 2-Nitroamino-4,6-bis(trinitromethyl)-1,3,5-triazine.

✍ A. V. Shastin; T. I. Godovikova; B. L. Korsunskii 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB 👁 3 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