A convenient synthesis ofN-t-butyl-N?-aminocarbonyl-N-(substituted)benzoyl-hydrazine containing?-aminoalkylphosphonate groups in a one-pot procedure
作者:Qingmin Wang、Zaiguo Li、Runqiu Huang、Junran Cheng
DOI:10.1002/hc.3
日期:——
for the synthesis of α-isocyanatoalkylphosphonates enjoys a number of advantages: the reaction is carried out under mild condition in good yield, triphosgene is relatively safe to handle because of its low vapor pressure and high stability, and the experimental procedure is simple. This method can be applicable to the synthesis of other α-isocyanatoalkyl-phosphonates and urylenediphosphonates. The structures
合成了多种含有α-氨基烷基膦酸酯基团的新型N-叔丁基-N'-氨基羰基-N-(取代)苯甲酰肼。用三光气处理α-氨基烷基膦酸酯产生α-异氰酸根合烷基膦酸酯,随后加入N-叔丁基-N-取代的苯甲酰肼,在一锅法中以良好的收率提供标题化合物。三光气介导合成α-异氰酸根合烷基膦酸酯的反应具有许多优点:反应条件温和,产率高,三光气蒸汽压低,稳定性高,操作相对安全,实验步骤很简单。该方法可适用于合成其他α-异氰酸根合烷基膦酸酯和亚脲基二膦酸酯。所有产物和副产物的结构均通过1H NMR、31P NMR、IR和质谱以及元素分析证实。我们还发现一些化合物具有潜在的抗烟草花叶病毒 (TMV) 活性和抗癌活性。© 2001 John Wiley & Sons, Inc. 杂原子化学 12:68–72, 2001