Vallin, Karl S. A.; Posaric, David Wensbo; Hamersak, Zdenko; Svensson, Mats A.; Minidis, Alexander B. E.
Journal of Organic Chemistry, 2009 , vol. 74, # 24 p. 9328 - 9336
1: pyridine-4-carboxaldoxime With pyridine; N-chloro-succinimide in chloroform
T=50°C;
2: ethyl 3-(pyrrolidin-1-yl)but-2-enoate With triethylamine in chloroform