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The synthesis of homopolymer and diblock copolymers on surfaces was demonstrated using electrodeposition of a methacrylate-functionalized carbazole dendron and subsequent reversible addition-fragmentation chain transfer (RAFT) "grafting-through" polymerization. First, the anodically electroactive carbazole dendron with methacrylate moiety (G1CzMA) was(More)
The ability of Simulium mexicanum and Simulium metallicum to serve as biological or mechanical vectors of an enzootic and an epizootic strain of Venezuelan equine encephalitis (VEE) virus was examined. Guinea pigs were inoculated with the epizootic Cordoba strain or the enzootic RPVP407 strain of VEE virus. Wild-caught adult Simuliidae were fed on the(More)
The title compound, C(12)H(10)BrN(3), is essentially planar (r.m.s. deviation of all non-H atoms = 0.0174 Å), with a dihedral angle of 0.5 (2)° between the two aromatic rings. In the crystal, mol-ecules are linked by weak N-H⋯N inter-actions, forming a zigzag chain running parallel to [001].
The presence of catalytic amounts of CeCl(3) improves yields and simplifies procedure in the Reformatsky reactions of ethyl bromofluoroacetate with aldehydes and ketones to generate diastereomeric mixtures of alpha-fluoro-beta-hydroxy esters, some of which can be separated by crystallization or column flash chromatography. Diastereomerically pure(More)
The molecules of the title compound, C(34)H(24)N(2)S(4), lie across centres of inversion in the space group P2(1)/n. The spacer unit linking the benzene rings and carbazole units is effectively planar, while the carbazole unit itself is slightly folded. Molecules are linked into sheets by a single C-H···π(arene) hydrogen bond and the hydrogen-bonded sheets(More)
In the title compound, C(17)H(32)O(2)S(3), the dodecyl chain and the trithiocarbonate unit adopt a nearly planar all-trans conformation, while the carboxyl group is synclinal to this chain direction. The molecules are linked by pairs of inversion-related O-H...O hydrogen bonds to form centrosymmetric dimers of R(2)(2)(8) type, and dimers related by(More)