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Preparation of [1,2,4]triazoloquinazolinium betaines and molecular rearrangements of putative [1,2,4]triazolo[4,3-a][1,3,5]triazinium betaines

โœ Scribed by Crabb, Derek L.; McCullough, Kevin J.; Preston, Peter N.; Rosair, Georgina M.; Bishop, Brian C.; Wright, Stanley H. B.; Clegg, William; Coles, Simon


Book ID
118015075
Publisher
Royal Society of Chemistry
Year
1999
Weight
266 KB
Volume
11
Category
Article
ISSN
1472-7781

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Synthesis of 1,2,3-Triazolo[1,5-a]quinox
โœ Dr. A. Messmer; Dipl.-Chem. O. Szimรกn ๐Ÿ“‚ Article ๐Ÿ“… 1965 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 118 KB ๐Ÿ‘ 1 views

With sodium borohydride in tetrahydrofuran/ethanol (5 : 1). the product ( I ) gives a 75 yield of a compound, m.p. 233 "C, that is identical with the recently prepared 2-(diphenylmethyl)imidaz0le[~1. When product ( I ) is boiled for 2 h in tetrahydrofuran/water (2: I ) it affords 2-(hydroxy-dipheny