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1,3-Dipolar cycle-addition of 2-diazoalkanes to pyridazin-3(2H)-one derivatives. The formation of 3H-pyrazolo[3,4-d]pyridazin-4(5H)-one and 3H-pyrazolo[3,4-d]pyridazin-7(6H)-one derivatives

✍ Scribed by Anton Štimac; Branko Stanovnik; Miha Tišler


Book ID
112129941
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
562 KB
Volume
28
Category
Article
ISSN
0022-152X

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2,3,4,6-Tetra­phenyl-2H-pyrazolo­[3,4-d]
✍ Dinçer, Muharrem ;Özdemir, Namık ;Yıldırım, İsmail ;Demir, Elif ;Akçamur, Yunus 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 262 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.050 wR factor = 0.089 Data-to-parameter ratio = 12.8 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.