منابع مشابه
Effect of Pressure on Intermolecular Bonds in Solid Halogens
A bond charge model has been developed for the description of the pressure dependence for the Raman-active zone centre phonon frequencies of CI, Br and I. The increase in covalency of the intermolecular bonds shows up in increasing values of the bond charges under pressure. The halogens CI, Br and I form isomorphic molecular crystals. The structure is orthcrhombic with two molecules per primiti...
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A large number of novel fatty compounds have been synthesized by catalytic C,C-bond forming addition reactions to the C,Cdouble bond of unsaturated fatty compounds. Radical reactions such as the solvent-free addition of -halocarboxylic acid esters initiated by electron transfer, e.g., from copper to give fat-derived -lactones are described as well as Lewis acid–induced electrophilic addition re...
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In the present study, two species of rosaceous rust fungi are reported from Iran. Ochropsora ariae is newly reported for Iranian rust mycobiota. This is the first report of a member of the genus Ochropsora from Iran. Kuehneola uredinis is reported for the second time from Iran since its first report in 1958 under the name K. albida. Pyrus boissieriana</em...
متن کاملPeptide-catalyzed consecutive 1,6- and 1,4-additions of thiols to α,β,γ,δ-unsaturated aldehydes.
Regio- and enantioselective addition of thiols to α,β,γ,δ-unsaturated aldehydes was performed with a resin-supported peptide catalyst. It was shown that a 1,4-adduct was generated mainly at the initial stage of the reaction, and this was eventually converted to a thermodynamically stable 1,6- and 1,4-diadduct through retro-addition/addition reactions.
متن کاملIodotrimethylsilane-mediated additions of dienol silyl ethers to .alpha.,.beta.-unsaturated ketones
Trimethylsily1)oxy-substituted dienes react with 1 at low temperatures to afford annulated products. Disciplines Chemistry | Environmental Chemistry | Inorganic Chemistry | Organic Chemistry | Other Chemistry | Polymer Chemistry Comments Reprinted (adapted) with permission from The Journal of Organic Chemistry, 49(6); 1153-1154. Doi: 10.1021/jo00180a048. Copyright 1984 American Chemical Society...
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ژورنال
عنوان ژورنال: Journal of Synthetic Organic Chemistry, Japan
سال: 1967
ISSN: 0037-9980,1883-6526
DOI: 10.5059/yukigoseikyokaishi.25.101