diazocompounds to yield bi(tri)cyclic tetrazolo- or triazolo fused intermediates via an intramolecular cyclisation reaction. Conversion of these lactone inter-mediates with various nucleophiles generates new substituted 1H-tetrazoles or 1,2,3-triazoles useful for pharmacological screening and for further elaboration via the α-chloroketone substituent at N-1.
3,5-dichloro-2 H -1,4-oxazin-2-ones和3-chloro-2 H -1,4-benzoxazin-2-ones与
叠氮化
钠和重氮化合物等双功能试剂反应生成bi(tri环
四唑或三唑稠合的中间体通过分子内环化反应。这些内酯中间体与各种亲核试剂的转化产生了新的取代的1 H-
四唑或
1,2,3-三唑,可用于药理筛选以及通过N-1处的α-
氯酮取代基进一步加工。