A novel class of aryl vinyl ethers 3 and diethyl 3-cyano-3-alkylprop-1-en-2-ylphosphonates 4 has been prepared, respectively, from coupling reaction of diethyl 1-(bromomethyl)-2-cyanovinylphosphonate 2 with phenols and Gilman reagents.

We demonstrate an optical interference-based photochemical method for the high-resolution localization of nanoparticles inside colloidal crystals or other porous structures. The method specifically relies on photoinduced inversion of the colloidal crystal surface charge to drive the localized deposition of charged gold nanoparticles. 4-Bromomethyl-3-nitrobenzoic acid (BNBA) was used as a photoc...

Eleven derivatives of 7,12-dimethylbenz(a)anthracene were tested for carcinogenicity in Sprague-Dawley female rats by the s.c. injection of 1.0 or 0.1 mg of compound dissolved in 0.1 ml of sesame oil on alternate days for 20 doses. Eight derivatives [7-hydroxymethyl-12-methyl-, 7-formyl-l 2-methyl-, 7-methoxymethyl-l 2-methyl-, 7-acetoxymethyl-l 2-methyl-, 7-benzoyloxymethyl-l 2-methyl-. 7-iodo...

Z. Naturforsch. 56 b, 57-61 (2001); received September 11, 2000 Organic-Inorganic Hybrids, Low-Dimensional Semiconductors, Fluorescence Using 1-chlorodecane (C10H21CI), benzyl chloride (C6H5CH2CI), a,a'-dichloro-p-xylene (CICH2C6H4CH2CI), 4-phenylbenzyl chloride (C6H5C6H4CH2CI), 2-bromomethyl-naphthalene (CioHyC^Br), 4-bromomethyl-7-methoxycoumarin (CioHzO^C^Br), 2-bromomethylanthraquinone (CuH...

Development of a new improved and efficient process suitable for the large-scale production of Irbesartan has been described. The key steps are tetrazole formation from secondary amide for the preparation of the key intermediate 1-Benzyl-5-(4'-bromomethyl-biphenyl-2-yl)-1H-tetrazole (9), N-alkylation and debenzylation.