The use of malonates such as diethyl malonates 9, (chlorocarbonyl)ketenes 15 and bis(2,4,6-trichlorophenyl) malonates 18 as reagents for cyclocondensation with 1,3-dinucleophiles to give six-membered heterocycles is described. Further attempts to use malonates such as bis(trimethylsilyl) malonates 19 and bis(carbamimidoyl) malonates 29 as new cyclocondensation agents are described .
本文描述了使用如
二乙基美克酸盐9、(
氯羰基)烯酮15和双(2,4,6-
三氯苯基)美克酸盐18作为试剂与1,3-双核亲核试剂进行环缩合以生成六元杂环的过程。此外,进一步尝试使用如双(三甲基
硅基)美克酸盐19和双(
氨基亚
氨基)美克酸盐29作为新的环缩合试剂的研究也进行了描述。