Sulfonated polyphenylene-sulfide(SPPS)was used as ligands in place ofphosphine in Rh-complexes to yield a water-soluble catalyst for hydroformylationof higher ole
A new depside named salvianolic acid H was isolated from the aqueous extract of Salviacavaleriei vat.simplicifolia,along with salvianolic acid A,B,C,isosalviano
The anhydrous NdCl_a-LiNp (LiNp=Lithium uaphthalide) system has been fouudto cause a novel cyclodimerization of α, β-unsaturated ketoues to give cycio--pentau
the catalytic activity of the polymer-bound palladium tetrakis (p-hydroxylphenyl) porphyrin complex (P-THPP-Pd) has been studied. It is found that the polymer catal
Two new ceramides,Nephtixamide A and B,were isolated from thesoft coral Nephthea tixierae verseveldt.Their structures were established byspectroscopic methods