878494-88-3Relevant articles and documents
E- or Z-selective Knoevenagel condensation of acetoacetic derivatives: Effect of acylated substituent, that is, TEMPO and amines, as an auxiliary, and new accesses to trisubstituted E- and Z-2-alkenals and furans
Inokuchi, Tsutomu,Kawafuchi, Hiroyuki
, p. 947 - 953 (2007/10/03)
Knoevenagel condensation of O-acetoacetylTEMPOs (2,2,6,6- tetramethylpiperidine-1-oxyl) with aldehydes substituted with an electron-withdrawing group such as aromatic and heteroaromatic ones leads preferentially to E-adducts, while acylacetoamides includi