Reactions of alkyl (z)-2-[(<i>E</i>)-2-ethoxycarbonyl-2-(2-pyridinyl)-ethenyl]amino-3-dimethylaminopropenoates with<i>C</i>- and<i>N</i>-nucleophiles. the synthesis of fused pyranones, pyridinones and pyrimidinones
作者:Lucija Jukić、Jurij Svete、Branko Stanovnik
DOI:10.1002/jhet.5570380410
日期:2001.7
Alkyl 2-[2-ethoxycarbonyl-2-(2-pyridinyl)ethenyl]amino-3-dimethylaminopropenoates 3 and 4 were transformed with C-and N-nucleophiles into β-heteroaryl-α,β-didehydro-α-amino acid derivatives 13-16, substituted 3-amino-4H-quinolizin-4-one 17, 2H,5H-benzo[b]pyran-2,5-dione 18 and 19, 2H,5H-pyrano[4,3-b]pyran-2,5-dione 20, 2H,5H-pyrano[3,2-c]benzo[b]pyran-2,5-dione 21, 2H-1-benzopyran-2-one 22 and 24,
烷基2- [2-乙氧基羰基-2-(2-吡啶基)乙烯基]氨基-3-二甲基氨基丙烯酸酯3和4用C-和N-亲核试剂转化为β-杂芳基-α,β-二氢-α-氨基酸衍生物13 - 16,取代的3-氨基-4- ħ喹嗪-4-酮17,2 ħ,5 ħ -苯并[ b ]吡喃-2,5-二酮18和19,2 ħ,5 ħ吡喃并[4, 3- b ]吡喃-2,5-二酮20,2 ħ,5 ħ吡喃并[3,2- c ^ ]苯并[b ]吡喃-2,5-二酮21,2 ħ -1-苯并吡喃-2-酮22和24,吡啶并[1,2一]嘧啶-4-酮31-34和39的衍生物,以及Ñ杂芳基- 1 H-咪唑-4-羧酸酯37和38。