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Synthesis of 2-Oxo-[1,2,4]triazolo[3,2-d][1,5]benzoxazepines: A Kind of Novel Tricyclic O,N-Heterocycles.

โœ Scribed by Zheng Li; Quanrui Wang; Fenggang Tao


Publisher
John Wiley and Sons
Year
2004
Weight
28 KB
Volume
35
Category
Article
ISSN
0931-7597

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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