Hyperfine interactions and Mossbauer lattice temperatures for doping 119Sn(II) and 119Sn(IV) atoms in an antiferromagnetic sulfide, α-MnS
Magnetic hyperfine fields transferred at 119Sn probe atoms (in both Sn(II) and Sn(IV) valence states) in antiferromagnetic α-MnS have been for the first time investigated. At 6 K, a unique hyperfine splitting pattern (H = 27 kOe) was observed f
Danot, M.,Tkachenko, V. E.,Pokholok, K. V.,Maingaud, S.,Fabritchnyi, P. B.,Rouxel, J.
Azahydroxybenzotriazoles and derivatives thereof for peptide coupling reactions
This invention relates to a process for forming an amide or an ester from a reaction between an amine or an alcohol, respectively and an acylating derivative of a carboxylic acid, in the presence of an effective amount of a compound having the formula: STR1 and N-oxides thereof and salts thereof.
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(2008/06/13)
S-Ammonium-O-hydrocarbyl-N-acyl phosphoramidothioate salt production and reaction with alkylating agent
S-ammonium salts of O-hydrocarbyl-N-acylphosphoroamidothioates are prepared by reacting an O,O-dihydrocarbyl-N-acyl-phosphoroamidothioate with an ammonium sulfide or polysulfide in a liquid ammonia reaction medium.
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(2008/06/13)
Preparation of aromatic 2-imino-1,3-dithietanes
There is provided a process for the manufacture of 2-(4-chloro-2-methylphenyl)imino-1,3-dithietane which involves the reaction of a dithiocarbamate salt with a methylene halide in the presence of a base and a sulfide ion in the presence of a ketone solvent to obtain high yields and purity of said 2-(4-chloro-2-methylphenyl)imino-1,3-dithietane.
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(2008/06/13)
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