2-Aryl-2-oxazolin-4-ones (I) react with hydrazine hydrate to yield 5-substituted-3-Hydroxymethyl-1,2,4-triazoles (II). 2-Aryl-2-oxazolin-4-ones and monosubstituted hydrazines give 1,3-disubstituted-5-hydroxymethyl-1,2,4-triazoles (III). These are compared with the known 1,5-disubstituted-3-hydroxymethyl-1,2,4-triazoles (IV).
2-芳基-2-
恶唑啉-4-酮(I)与
水合
肼反应,产生5-取代的-3-羟基甲基-
1,2,4-三唑(II)。2-芳基-2-
恶唑啉-4-酮和单取代的
肼得到1,3-二取代的
5-羟甲基-
1,2,4-三唑(III)。将这些与已知的1,5-二取代-3-羟甲基-1,2,4-三唑(IV)进行比较。