A 21-day laboratory incubation experiment was conducted to investigate the impact of pesticides (insecticide, herbicide,......

碱存在下,1-重氮-2,4-二羰基-5-炔基膦酸酯的环化提供新颖的3-膦酰基吡喃骈[3,2-c]吡唑-7-(1H)-酮衍生物,产率48%~99%.这种方法最......