为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Novel 2-aryloxy-5-(2-furfurylidene)-4H-imidazolin-4-ones 6 were synthesized by aza- Wittig reaction of vinyliminophospho......

2-Dialkylamino-4(3H)-quinazolinones 4 were rapidly synthesized by a solution-phase parallel synthetic method, which incl......

2-Alkylamino-5, 6, 7, 8-tetrahydrobenzothieno [2, 3-d] pyrimidin-4(3H)-ones 7 were synthesized by a new selective synthe......

The carbodiimide 2, obtained from the aza-Wittig reactions of iminophosphorane 1 with alkyl isocyanates, reacted with pr......

应用烯基膦亚胺与二硫化碳、一级脂肪胺的串联aza-Wittig反应合成了2-硫代-3-烷基-5-苯基亚甲基-4-咪唑啉二酮衍生物.提出了可能的......