Chelate tetra(acetylacetonato) tin(Ⅳ) was prepared and used as catalyst for polytrimethylene terephthalate synthesis.It exhibited higher catalytic activity tha
An impedance immunosensor based on O-phenylenediamine modified gold electrode for the determination of phytohormone abscisic acid(ABA) was proposed.The operatin
<正>New D-seco-taxoids were synthesized from 1-deoxybaccatinⅥand their structures were confirmed by ~1H NMR,~(13)C NMR, ESIMS and X-ray crystallography.The key
<正>A facile approach for the first synthesis of ocimarin,naturally occurring coumarins,was developed by employing a cerium(Ⅲ) chloride heptahydrate-catalyzed
A new iridoid glucoside, allamanoid (1), was isolated from the aerial parts of Allamanda neriifolia, together with three known glucosides, plumieride, protoplum