反应详情

Following the general procedure of EXAMPLE 14 and making non-critical variations but starting with n-butyl lithium (1.6M, 1.16 ml, 1.86 mmol), ethyltriphenylphosphonium bromide (0.69 g, 1.86 mmol), and 1-benzyl-4-[N-ethyl-N-(3-(formyl)-2-pyridinyl)amino]piperidine (XXI, EXAMPLE 12, 0.40 g, 1.24 mmol), the title compound is obtained.