routine incorporation of these highly rigid and three-dimensional structures in pharmaceuticals. Herein, we report an operationally simple synthesis of spirocyclic dihydropyridines via an electrophile-induced dearomative semi-pinacol rearrangement of 4-(1′-hydroxycyclobutyl)pyridines. The various points for diversification of the spirocyclization precursors, as well as the synthetic utility of the amine
                                    对氮杂螺环的有益药代动力学特性的鉴定导致在药物中常规结合这些高度刚性和三维结构。在此,我们报告了一种通过亲电试剂诱导的 4-(1'-羟基
环丁基) 
吡啶的脱芳香半
频哪醇重排合成螺环
二氢吡啶的操作简单的方法。螺环化前体多样化的各个方面,以及产品中胺和酮官能团的合成效用,提供了快速组装医学相关螺环的潜力。