Chiral synthesis of polyketide-derived natural products. 44. Large Laboratory scale Synthesis of (2S,3S)-2-(4-Methoxybenzyloxy)-3,4-O-(3-pentylidene)-1,3,4-butantriol, a Versatile Chiral Building Block in Natural Product Synthesis.
作者:Kiyoshi HORITA、Youji SAKURAI、Shun-ichiro HACHIYA、Masaaki NAGASAWA、Osamu YONEMITSU
DOI:10.1248/cpb.42.683
日期:——
(2S, 3S)-2-(4-Methoxybenzyloxy)-3, 4-O-(3-pentylidene)-1, 3, 4-butanetriol (3), a versatile chiral building block for an essential structural unit of complex natural products, was synthesized starting from dimethyl L-(+)-tartrate (5) on both a small scale and a large scale in good yield.
(2S, 3S)-2-(4-甲氧基苄氧基)-3,4-O-(3-戊烯亚基)-1,3,4-丁三醇(3)是一种用于合成复杂天然产物基本结构单元的多用途手性构建块,它以L-(+)-酒石酸二甲酯(5)为起始原料,在小规模和大规模条件下都能以较好的收率合成得到。