Synthesis of Optically Active Cyclopenta[<i>b</i>]benzofuran as a Precursor of <i>m</i>-Phenyleneprostacyclin
作者:Hisao Nishiyama、Naoya Sakata、Hayato Sugimoto、Yukihiro Motoyama、Hisanori Wakita、Hiroshi Nagase
DOI:10.1055/s-1998-1819
日期:1998.8
The optically pure cyclopenta[b]benzofuran derivatives (-)-1 and (-)-2 were synthesized from (+)-(1S,4R)-cis-4-acetoxy-2-cyclopenten-1-ol [(+)-3] via sequential Mitsunobu reaction and palladium-catalyzed allylic substitution with phenol derivatives followed by SN2′ intramolecular cyclization.
光学纯的环戊[b]苯并呋喃衍生物(-)-1和(-)-2是从(+)-(1S,4R)-顺-4-乙酸氧基-2-环戊烯-1-醇 [(+)-3] 通过连续的Mitsunobu反应和钯催化的烯丙基取代反应与酚类衍生物,然后进行SN2'的分子内环化合成的。