The phase transition of two kinds of solvent-induced crystalline syndiotactic polystyrene (sPS) , γ-sPS and δe-sPS, has been studied via WAXD and DSC.γ-sPS t
Effect of CO2 dissolved in tetrahydrofuran (THF) on the polymerization of styrene in THF was studied at 333.2 K and different pressures.It was found that the mo
In this paper, 2-(5-carboxy-1,3,4-triazolylazo)-5-diethylamino aniline(CTZAN) was prepared, the protonation behaviour of this reagent is reported.Its structure
A new approach for preparation of various substituted phenylethylamines from the corresponding nitro compounds with iron powder and NH4Cl in 75% aqueous ethanol
A new oleanane-type saponin, named subcapitatoside A, has been isolated from the roots of Aralia subcapitata.On the basis of chemical and spectral evidence, the
A pregnane glycoside and a lignan glycoside were isolated from the aerial parts of Rubus amabilis.Their structures were elucidated as 3-O-β-D-glucopyranosyl-3
This paper reports a continous study of the use of short chain peptides as carriers of a potential antitumor agents: 2,6-dimethoxyhydroquinone-3-mercaptoacetic
Octadecylamine was derivatized with dansyl chloride (5-dimethylaminonaphthalene-1-sulfonyl chloride) in order to simplify and understand the LB films of fluores