FTIR and1H-NMR studies of chiral (S)-(-)-2-methylbutyl 4′-(4″-hexyloxy-, (S)-(-)-2-methylbutyl 4′-(4″-(d13)-hexyloxy‒, (S)-(-)-2-methylbutyl 4′-(4″-octyloxy- and (S)-(-)-2-methylbutyl 4′-(4″-(d17)-octyloxyphenyl)benzoates
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S 4 : An Adduct from HgI 2 Molecules and Undistorted As 4 S 4 Cages
Copper(I) halides have been successfully established as a preparative tool for the synthesis of neutral and low-charge molecules of the fifth and sixth main-group elements. Inspired by publications of Rabenau et al. as well as M$ller and Jeitschko, a whole series of phosphorus, phosphorus chalcogenide, and heteroatomic chalcogen molecules were obtained in a copper halide matrix. Mixed phosphoru...
متن کامل(S)-3-[(S,E)-4-(4-Chlorophenyl)-1-nitrobut-3-en-2-yl]thian-4-one
The title compound, C(15)H(16)ClNO(3)S, was obtained by the organocatalytic asymmetric Michael addition of thian-4-one to 1-chloro-4-[(1E,3E)-4-nitro-buta-1,3-dien-yl]benzene. The double bond has an E configuration and the thian-4-one six-membered ring adopts a chair conformation. The crystal structure is stabilized by weak inter-molecular C-H⋯O hydrogen bonds.
متن کاملNITROIMIDAZOLES IV [I]. SYNTHESIS OF 3,s-DICARBO ALKOXY-2,6-DIMETHYL-4-(1 -METHYL-5- NITRO-2-1MIDAZOLYL)-1,4-DIHYDROPYRIDIANNE D 3,5-DICARBOALKOXY- 2,6-DIMETHYL-4(-2 -S UBSTI - TUTED-4-THIAZOLYL)-l , 4- DIHYDROPYRIDINE
Different procedures for the syntheses of the title compounds were investigated. The best method for the preparation of the title compounds were the reaction of the readily available 2-formyL-1-methyl-5-nitroimidazole2- substituted-4-formylthiazoles with alkyl acetoacetate and alkyl aminocrotonate in boiling alcohol.
متن کاملSpeciation, luminescence, and alkaline fluorescence quenching of 4-(2-methylbutyl)aminodipicolinic acid (H2MEBADPA).
4-(2-Methylbutyl)aminodipicolinic acid (H(2)MEBADPA) has been synthesized and fully characterized in terms of aqueous phase protonation constants (pK(a)'s) and photophysical measurements. The pK(a)'s were determined by spectrophotometric titrations, utilizing a fully sealed titration system. Photophysical measurements consisted of room temperature fluorescence and frozen solution phosphorescenc...
متن کامل(S)-2-[(S,E)-4-(4-Chlorophenyl)-1-nitrobut-3-en-2-yl]cyclohexanone
The title compound, C(16)H(18)ClNO(3), was obtained by the organocatalytic asymmetric Michael addition of cyclo-hexa-none to 1-chloro-4-[(1E,3E)-4-nitro-buta-1,3-dien-yl]benzene. The double bond has an E configuration. The cyclo-hexa-none ring adopts a chair conformation. The conformation of the mol-ecule is stabilized by a weak intra-molecular C-H⋯O hydrogen bond.
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ژورنال
عنوان ژورنال: Spectroscopy
سال: 2000
ISSN: 0712-4813,1875-922X
DOI: 10.1155/2000/207089