Process for the preparation of chiral azetidinones
申请人:Framroze Patel Bomi
公开号:US20070129540A1
公开(公告)日:2007-06-07
Processes for preparing compounds of formula I are disclosed comprising the steps of:
(a) forming of chiral propionic acid ester compounds of formula V.
(b) reacting compounds of formula V with aniline compounds to yield compounds of formula I
The total synthesis of delesserine, leucodrin, and dilaspirolactone aglycone
作者:A.J Poss、R.K Belter
DOI:10.1016/s0040-4039(00)96146-x
日期:1987.1
The synthesis of delesserine, 1, leucodrin, 2, and dilaspirolactone aglycone, 3, are reported. The preparation of these ascorbigens was implemented by the addition of ascorbic acid to a -hydroxy benzyl alcohol derived quinone methide.