A process for preparing a polyhydric alcohol according to the invention comprises subjecting a polyhydric alcohol compound having protected hydroxy group(s) to microwave irradiation in the presence of basic compound(s) or acid(s) having an acid dissociation exponent (pKa) of −8 to 3 at 25° C. to remove the protecting groups of the hydroxy group of the polyhydric alcohol compound. The invention can provide an industrially advantageous process for preparing polyhydric alcohols by readily removing protecting group(s) from protected hydroxy group(s) of polyhydric alcohol compounds.
PROCESS FOR THE PREPARATION OF POLYHYDRIC ALCOHOLS
申请人:National Institute of Advanced Industrial Science and Technology
公开号:EP1298115A1
公开(公告)日:2003-04-02
A process for preparing a polyhydric alcohol according to the invention comprises subjecting a polyhydric alcohol compound having protected hydroxy group(s) to microwave irradiation in the presence of basic compound(s) or acid(s) having an acid dissociation exponent (pKa) of -8 to 3 at 25°C to remove the protecting groups of the hydroxy group of the polyhydric alcohol compound. The invention can provide an industrially advantageous process for preparing polyhydric alcohols by readily removing protecting group(s) from protected hydroxy group(s) of polyhydric alcohol compounds.
Application of a Cu(I)-mediated biaryl cross-coupling reaction to the synthesis of oxygenated 1,1′-binaphthalenes
作者:Robert S. Coleman、Eugene B. Grant
DOI:10.1016/s0040-4039(00)77579-4
日期:1993.4
Application of an oxidative copper(I)-mediated biaryl cross-coupling protocol to the synthesis of highly oxygenated, differentially substituted 1-1′-binaphthalenes related to the perylenequinone calphostin C is detailed.