Syntheses and structural characterization of manganese and cadmium coordination polymers constructed with bis(4-(1H-imidazol-1-yl)phenyl)methanone and dicarboxylate ligands

Two coordination polymers (CPs), [Mn(bipmo)(pbtda)(H2O)]n (1), {[Cd(bipmo)(btda)]·2(H2O)]}n (2), (bipmo = bis(4-(1H-imidazol-1-yl)phenyl)methanone, H2pbtda = 2-phenylbutanedioic acid, H2btda = butanedioic acid), were synthesized by solvothermal methods. The products have been characterized by elemental analyses, IR spectroscopy, and single-crystal X-ray diffraction. The topological structure of 1 is based on 2-nodal nets with the Schläfli symbol {63}{69·8}, while that of 2 features a system with a sixfold penetration with the Schläfli symbol {66}.

Phenolic Compounds Isolated from Fruits of Cornus officinalis Sieb. et Zucc.

In this study, six phenolic compounds were isolated from the ethyl acetate of Cornus officinalis, including: Gallic acid (1), dimethyl malate (2), 1,4-dimethyl ester 2-(2-formyl-1H-pyrrol-1-yl)butanedioic acid (3), stageobester A (4), coroffester (5), and methyl caffeate (6). The structure of the compounds was determined by such spectroscopic methods as MS, NMR and by comparison with the published NMR data. This is the first time compounds 3-5 have been isolated from this species. Keywords Cornus officinalis, gallic acid, dimethyl malate, 1,4-dimethyl ester 2-(2-formyl-1H-pyrrol-1-yl)butanedioic acid, stageobester A, coroffester, methyl caffeate. References

Chemical Constituents of Ainsliaea yunnanensis Franch

Chemical investigation of the constituents of the whole herb of Ainsliaea yunnanensis Franch has led to isolation of hentriacontane (1), (6Z,9Z)-henicosa-6, 9-diene (2), methyl linoleate (3), dodecyl (Z)-9-hexadecenoate (4), heptadecan-8-ol (5), α-linolenic acid (6), (Z)-6-hexadecenoic acid (7), (Z)-10-eicosenoic acid (8), stearic acid (9), phytenoic acid (10), tripalmitolein (11), trilinolenin (12), phthalic acid bis-(2-ethylhexyl) ester (13), diisobutyl phthalate (14), 2-hydroxy-butanedioic acid-4-methyl ester (15), diacylgalactolipids I (16), β-D-galactopyranoside-1,2-bis[(1-oxo-9,12,15- octadecatrienyl)oxy]propyl (17), (2S)-1,2-O-(9Z,12Z-octadecadienoyl)-3-O-[α-D-galactopyranosyl-(1′′′′→6′′′)-O-β-D-galactopyranosyl]glycerol (18). The structures of the compounds were identified by comparison of their NMR data with literature data.