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ChemInform Abstract: New 1,3,4-Thiadiazolium-3-(unsubstituted) Methanide 1,3-Dipoles (Azolium 1,3-Dipoles): Useful Synthons at -60 °C: A New Ring Interconversion Route to 1,2,3-Trisubstituted and 1,2,3,4-Tetrasubstituted 1-{[1-(Vinylthio)-1-phenylmethylidene]amino}pyrroles.

✍ Scribed by R. N. BUTLER; M. O. CLOONAN; P. MCARDLE; D. CUNNINGHAM


Publisher
John Wiley and Sons
Year
2010
Weight
42 KB
Volume
29
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Thiadiazolium Ylide
✍ Richard N. Butler; Martin O. Cloonan; John M. McMahon; Luke A. Burke 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB

Substituted 2H-1,3,5-Thiadiazines and 1,4,5-Trisubstituted-imidazoles from 1,2,4-and 1,2,5-Thiadiazolium-2-unsubstituted Methanide (Ylide) Systems: Ring Expansions and Ring Interconversions via Sulfur-Nitrogen Heterotriene Intermediates. Mechanistic ab initio Calculations. Azolium 1,3-Dipoles. -Rea