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Synthesis of 2,6-disubstituted 3,3,5,5-tetracyanopiperidines by the reaction of 1,1,3,3-tetracyanopropane with 2,4-diazapentane-1,4-dienes

✍ Scribed by O. E. Nasakin; N. L. Lyubomirova; A. N. Lyshchikov; Ya. G. Urman


Publisher
Springer US
Year
1998
Tongue
English
Weight
231 KB
Volume
34
Category
Article
ISSN
0009-3122

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Synthesis of 5-alkynyl-2,2,6-trimethyl-1
✍ HΓ©lio A. Stefani; Adriano S. Vieira; MΓ΄nica F.Z.J. Amaral; Leora Cooper πŸ“‚ Article πŸ“… 2011 πŸ› Elsevier Science 🌐 French βš– 761 KB

Herein we report an approach to the formation of 5-alkynyl-1,3-dioxin-4-ones using Suzuki-Miyaura cross-coupling reaction of potassium alkynyltrifluoroborate salts with 2,2,6-trimethyl-5-iodo-1,3dioxin-4-one. The resulting 5-ethynyltrimethylsilyl-1,3-dioxin-4-ones obtained through the Sonogashira re