نتایج جستجو برای: propionates

تعداد نتایج: 2175  

2011
Jin-Bei Shen Jia-Lu Liu Guo-Liang Zhao

In the centrosymmetric binuclear title complex, [La(2)(C(9)H(9)O(3))(6)(C(12)H(8)N(2))(2)], the two La(III) ions are linked by four 2-phen-oxy-propionate (L) groups in bi- and tridentate bridging modes. Each La(III) ion is nine-coordinated by one 1,10-phenanthroline mol-ecule, one bidentate chelating carboxyl-ate group and four bridging carboxyl-ate groups in a distorted LaN(2)O(7) monocapped s...

Journal: :Inorganic chemistry 2016
Krishna Chattopadhyay Gavin A Craig Animesh Kundu Valerio Bertolasi Mark Murrie Debashis Ray

Four different carboxylato bridges have been efficiently utilized for growth of three tetranuclear nickel(II) complexes [Ni4(μ3-H2L)2(μ3-OH)2(μ1,3-CH3CO2)2](ClO4)2 (1), [Ni4(μ3-H2L)2(μ3-OH)2(μ1,3-C2H5CO2)2](ClO4)2·1/2H2O (2), and [Ni4(μ3-H2L)2(μ3-OH)2(μ1,3-O2C-C6H4-pNO2)2](ClO4)(p-NO2-C6H4-CO2)·DMF·5H2O (3) and one dinuclear nickel(II)-based chain complex {[Ni2(μ-H2L)(μ1,3-O2CCH2Ph)2(H2O)](ClO4...

Journal: :Journal of the American Mosquito Control Association 1991
P Reiter M A Amador N Colon

An ovitrap containing hay infusion and a second ovitrap adjacent to it containing a 10% dilution of the infusion in tap water together yielded 8 times more Aedes aegypti eggs than single CDC ovitraps containing tap water. These "enhanced pairs" were significantly more attractive than pairs with other combinations of infusion, water or methyl propionate, and have proven useful for daily monitori...

Journal: :Journal of the American Chemical Society 2005
Michael T Crimmins Hamish S Christie Kleem Chaudhary Alan Long

An efficient, enantioselective synthesis of apoptolidinone has been completed, demonstrating the versatility of thiazolidinethione auxiliaries. Three propionate aldol additions and two asymmetric glycolate alkylations function to establish 8 of the 12 stereogenic carbon centers. A cross-metathesis reaction is utilized to assemble the C1-C10 trieneoate fragment and the C11-C28 polypropionate reg...

2011
Jin-Bei Shen Jia-Lu Liu Guo-Liang Zhao

The dimeric title compound, [Sm(2)(C(9)H(9)O(3))(6)(C(12)H(8)N(2))(2)], is centrosymmetric and is composed of six 2-phen-oxy-propionate anions and two 1,10-phenanthroline ligands. The Sm(III) atom is coordinated by two O atoms from two bridging anions, four O atoms from two chelating anions and the N atoms of the N-heterocycle in a distorted dodeca-hedral geometry.

2011
Jin-Bei Shen Jia-Lu Liu Guo-Liang Zhao

In the centrosymmetric binuclear title complex, [Gd(2)(C(9)H(9)O(3))(6)(C(12)H(8)N(2))(2)], the two Gd(III) ions are linked by four 2-phen-oxy-propionate (L) groups in bi- and tridentate bridging modes. Each Gd(III) ion is nine-coordinated by one 1,10-phenanthroline mol-ecule, one bidentate chelating carboxyl-ate group and four bridging carboxyl-ate groups in a distorted GdN(2)O(7) monocapped s...

2010
Ji-Dong Wang Shu-Min Han

The title compound, [Cu(C(4)H(4)NO(3))(2)](n), exhibits a double-chain structure extending along [100]. The Cu(II) atom, lying on an inversion center, is coordinated by two cyano N atoms from two 3-cyano-2-hydroxy-propionate ligands and two hydr-oxy O atoms and two carboxyl-ate O atom from two other two ligands in a distorted octa-hedral geometry. Inter-molecular C-H⋯O and O-H⋯O hydrogen bonds ...

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