Chiral Synthesis of Methyl (2R)-((3S,4S)-3-Isopropenyl-2-oxoazetidin-4-yl)propanoate and Its Utilization in the Synthesis of 1.BETA.-Methylcarbapenem Antibiotics.
作者:Toshio HONDA、Hiroyuki ISHIZONE、Koichi NAITO、Wakako MORI、Yukio SUZUKI
DOI:10.1248/cpb.40.2031
日期:——
Chiral and stereoselective synthesis of methyl (2R)-[(3S, 4S)-3-isopropenyl-2-oxoazetidin-2-yl]propanoate (14), a 3, 4-cis-β-lactam, was achieved starting from (-)-carvone.
以(-)-香芹酮为起点,实现了 3、4-顺式-β-内酰胺--(2R)-[(3S, 4S)-3-异丙烯基-2-恶唑烷-2-基]丙酸甲酯(14)的手性和立体选择性合成。