racemic 3-alkoxy allenylzinc species (±)-1, derived from (methoxymethyl)[(3-trimethylsilyl)prop-2-ynyl]ether (2), with enantiopure (S S )-N-tert-butanesulfinimines 3 leads to the corresponding diastereomerically enriched acetylenic (S S ,3S,4R)-a-N-tert-butanesulfinamidoalkyl methoxymethyl ethers 4 with an excellent stereoselectivity.
衍生自 (甲氧基甲基)[(3-三甲基甲
硅烷基)prop-2-炔基]醚 (2) 的外消旋 3-烷氧基
丙二烯基
锌物质 (±)-1 与对映体纯 (SS )-N-叔
丁烷亚磺
亚胺 3 引线的反应到相应的非对映体富集的炔属 (SS,3S,4R)-aN-叔
丁烷亚磺酰
氨基烷基甲氧基甲基醚 4 具有出色的立体选择性。