A molecular electronegativity distance vector based on 13 atomic types (MEDV-13) is used to describe the structures of 62 polychlorinated naphthalene (PCN) cong
Some known and new hexaaryloxyphosphazene N3P3(O-C6H4-R)6] (R=H, CH3, OCH3, C(CH3)3, CHO, F, C6H5COOR, etc) were readily obtained with ca. 70% isolated yield in
The heterogeneous free-radical polymerization of methyl methylacrylatc (MMA) and divinylbenzene (DVB) as cross-linker within supercritical carbon dioxide-swolle
Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) was used to determine the structures of anhydroicaritin glycosides by the MS/MS experime
Polyetherimide (PEI) was sulfonated by chlorosulfonic acid for the first time. The sulfonated products were characterized by FT-IR, DSC, ion exchange capacity a
A new 30-nortriterpenoid glycopside, 3-O-α-L-arabinopyranosyl-30-norhederagenin 28-O-α-L-rhamnopyranosyl(1→4)-β-D-glucopyranosyl (1→6)-β-D-glucopyranoside