220957-67-5Relevant articles and documents
The synthesis of ethyl 2-[(2,2-dibenzoyl)ethenyl]amino-3- dimethylaminopropenoate and its application to the synthesis of fused 3- aminopyran-2-ones and 3-aminoazolo- and -azinopyrimidin-4(4H)-ones
Sorsak, Gorazd,Grdadolnik, Simona Golic,Stanovnik, Branko
, p. 1275 - 1279 (2007/10/03)
Ethyl 2-[(2,2-dibenzoyl)ethenyl]amino-3-dimethylaminopropenoate (3) was prepared from dibenzoylmethane (1) in two steps, and used as a reagent for preparation of fused substituted 3-aminopyranones 12-15 in over 90% yield, quinolizin-4-one 16 in over 79% y