| 摘要 |
<p>Preparation of a 1,2,3-triazole compound (I) comprises reacting butenoic acid derivative (II) with an azide (III) in the presence of a transition metal compound. Preparation of a 1,2,3-triazole compound of formula (I) comprises reacting butenoic acid derivative of formula (II) with an azide of formula (III) in the presence of a transition metal compound. [Image] R 1aryl, amino, alkyl or alkoxy all optionally substituted; R 2carboxy protecting group; and R 3alkali metal, H, trialkylsilyl or optionally substituted alkyl, aryl, alkylsulfonyl or arylsulfonyl.</p> |
