SiMe3-Based Homologation−Epoxidation−Cyclization Strategy for Ladder THP Synthesis
摘要:
[GRAPHICS]A trimethylsilyl (SiMe3) group is the basis of a strategy that emulates the three fundamental proposed processes in ladder polyether biosynthesis: chain homologation, stereoselective epoxidation (>95% ee or >95:5 dr), and endo-selective, stereospecific (inversion) hydroxyepoxide cyclization (>95:5 endo:exo, >95% dr). A tris-THP was synthesized in 18 total operations from commercial materials using this approach.
SiMe3-Based Homologation−Epoxidation−Cyclization Strategy for Ladder THP Synthesis
摘要:
[GRAPHICS]A trimethylsilyl (SiMe3) group is the basis of a strategy that emulates the three fundamental proposed processes in ladder polyether biosynthesis: chain homologation, stereoselective epoxidation (>95% ee or >95:5 dr), and endo-selective, stereospecific (inversion) hydroxyepoxide cyclization (>95:5 endo:exo, >95% dr). A tris-THP was synthesized in 18 total operations from commercial materials using this approach.
SiMe<sub>3</sub>-Based Homologation−Epoxidation−Cyclization Strategy for Ladder THP Synthesis
作者:Timothy P. Heffron、Timothy F. Jamison
DOI:10.1021/ol0347040
日期:2003.6.1
[GRAPHICS]A trimethylsilyl (SiMe3) group is the basis of a strategy that emulates the three fundamental proposed processes in ladder polyether biosynthesis: chain homologation, stereoselective epoxidation (>95% ee or >95:5 dr), and endo-selective, stereospecific (inversion) hydroxyepoxide cyclization (>95:5 endo:exo, >95% dr). A tris-THP was synthesized in 18 total operations from commercial materials using this approach.