Schoepf et al.
Justus Liebigs Annalen der Chemie, 1958 , vol. 616, p. 151,153, 157
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Lukes; Kovar
Collection of Czechoslovak Chemical Communications, 1954 , vol. 19, p. 1215,1220
1: N-methylpiperidin-2-one With sodium hydride; oxalic acid diethyl ester in diethyl ether T=35 - 40°C; Metallation; Acylation; 72 h; 2: formaldehyd in xylene T=100°C; Condensation; 1.5 h; Further stages.;
参考文献
Rigolet, Severinne; Melot, Jean Marie; Vebrel, Joel; Chiaroni, Angele; Riche, Claude
Journal of the Chemical Society, Perkin Transactions 1, 2000 , # 7 p. 1095 - 1103