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The three-component reaction between alkyl- or arylamines, β-ketoesters and chalcones in refluxing ethanol containing a catalytic… Expand In the present work, we report the synthesis and characterization of novel charge-transfer complexes of thiazolidine-2,4-dione… Expand On exposure to dichlorodicyanoquinone in wet dichloromethane at room temperature, equatorial 4-O-benzyl ethers are removed with… Expand New mixed-substituent amino/carboxyphenylporphyrins for a dye-sensitized TiO2 solar cell were prepared using several synthetic… Expand [reaction: see text] The (1-naphthyl)propargyl group is introduced as a sterically unobtrusive alcohol protecting group that is… Expand Condensation of 3beta-hydroxy-16-[(4-chlorophenyl)methylene]androst-5-en-17-one (1) with hydrazine hydrate in acetic acid… Expand A new strategy for the aryl annulation of cyclic ketones is described. Palladium(0) coupling of a propargyl alcohol with the enol… Expand Oxidation of alpha-conidendrin (3) by Fremy's salt favored formation of an o-quinone (4) at the pendant aromatic ring as opposed… Expand The nucleophilic substitution reaction by gas-solid contact has been investigated. When 9-thienothienylfluoren-9-ol derivatives… Expand Elementorganische Verbindungen mit o-Phenylenresten. XXIII : 2,3,6,9,10,13-Hexamethoxy-5,7,12,14-tetrathia-5,7,12,14-tetrahydropentacen-2,3-Dichlor-5,6-dicyan-1,4-benzochinon (1/2) The title compound is prepared by combining hot solutions o f the components. X-ray anal ysis shows… Expand