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A novel end-on azide-bridged homospin 1D chain, Co(bt)(N3)2 (1) (bt = 2,2'-bithiazoline), is constructed by sharing edges of Co(II) distorted octahedrons to form a helix, which shows magnetic hysteresis with steps and slow relaxation below 5-6 K, typical of single-chain magnet behavior.
A series of heterocycle-fused 1,2,3-triazoles were easily prepared by the 1,3-dipolar cycloaddition of heterocyclic ketene aminals or N,O-acetals with sodium azide and polyhalo isophthalonitriles in a one-pot reaction at room temperature without a catalyst and evaluated in vitro against a panel of human tumour cell lines. 1,3-Oxazoheterocycle fused… (More)
In the petroleum industry, there are various special formats of seismic data, that are non-structural data. For lack of normal method to describe the structure and access data, it is difficult to share seismic among difference applications. The features of seismic data are analyzed that the data file structure can be defined in formal method and XML, and… (More)
This paper reports the synthesis and crystal structure of a cobalt aminomethylenediphosphonate compound NaCo(2)[NH(3)CH(PO(3))(PO(3)H(0.5))](2)(H(2)O)(2).xH(2)O (1). It shows a novel open framework structure in which layers of Co(2)[NH(3)CH(PO(3))(PO(3)H(0.5))](2)(H(2)O)(2) are connected by NaO(6) linkages. The magnetic studies show a dominant… (More)
To detect HPV in genital warts (Condylomata acuminata, CA) for infection rate and association of specific HPV types between males and females, and to provide support for the development of HPV vaccines, we designed HPV type-specific oligonucleotide primers to amplify DNA fragments encoding L1 viral capsule protein. SSP-PCR was conducted in duplication for… (More)