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Efficient synthesis of new biheterocyclic 1-(5-hydroxy-5-trifluoromethyl-4,5-dihydropyrazol-1-yl)-3-(6-trifluoro methylpyrimidin-4-yl)-propan-1-ones

✍ Scribed by Malavolta, Juliana L.; Souto, Alynne A.; de Mello, Debora L.; Flores, Darlene C.; Flores, Alex F.C.


Book ID
121411923
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
260 KB
Volume
158
Category
Article
ISSN
0022-1139

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New routes to 1-functionally substituted
✍ Fatima Al-Omran; Nouria Al-Awadl; Osama Yousef; Mohamed Hilmy Elnagdi 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 268 KB

## Abstract Condensation of 1‐arylhydrazono‐1‐benzotriazol‐1‐yl 2‐propanones (**5a‐c**) with DMF DMA afforded 1‐aryl‐3‐benzotriazol‐1‐yl‐1,4‐dihydropyridazine‐4‐ones (**8a‐c**). While condensation of 1‐functionally substituted methylbenzotriazoles **3b,c** with 2‐arylhydrazono‐3‐oxoarylpropanal **1