6642-39-3Relevant academic research and scientific papers
Bimetallic Catalysis: Asymmetric Transfer Hydrogenation of Sterically Hindered Ketones Catalyzed by Ruthenium and Potassium
Slagbrand, Tove,Kivij?rvi, Tove,Adolfsson, Hans
, p. 3445 - 3449 (2015/11/10)
An efficient protocol for the asymmetric reduction of sterically hindered ketones under transfer-hydrogenation conditions was developed. The corresponding chiral alcohols were obtained in good to excellent yields with enantiomeric excess values up to 99 %. The role of the cation associated with the base present in the reduction reaction was investigated. In contrast to previous studies on this catalyst system, potassium ions rather than lithium ions significantly enhanced the reaction outcome.
Diaroyl tellurides: Synthesis, structure and NBO analysis of (2-MeOC 6H4CO)2Te - comparison with its sulfur and selenium isologues. The first observation of [MgBr][R(C=Te)O] salts
Niyomura, Osamu,Nakaiida, Shoho,Yamada, Ryo,Kato, Shinzi,Ishida, Masaru,Ebihara, Masahiro,Ando, Fumio,Koketsu, Jugo
experimental part, p. 2555 - 2572 (2009/12/03)
A series of aromatic diacyl tellurides were prepared in moderate to good yields by the reactions of sodium or potassium arenecarbotelluroates with acyl chlorides in acetonitrile. X-ray structure analyses and theoretical calculations of 2-methoxybenzoic an
Reaction of secondary and tertiary aliphatic halides with aromatic aldehydes mediated by chromium(II): a selective cross-coupling of alkyl and ketyl radicals
Wessjohann, Ludger A.,Schmidt, Gisela,Schrekker, Henri S.
, p. 2134 - 2142 (2008/09/18)
Takai-Utimoto reactions with secondary and tertiary aliphatic halides usually failed according to previous reports. Now, significant improvements could be achieved, and especially secondary aliphatic halides can be coupled to aromatic aldehydes in yields of up to >95%. A variety of processes are competing with the desired one, and thus conditions must be adapted to the nature of the aldehyde as well as the aliphatic halide used, as the outcome of these reactions is strongly affected by the putative radical intermediates.
3-PHENOXY-4-PYRIDAZINOL DERIVATIVE AND HERBICIDE COMPOSITION CONTAINING THE SAME
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Page 294, (2008/06/13)
A compound represented by the formula: wherein R1 represents a hydrogen atom, a halogen atom, alkyl group, etc., ???R2 represents a hydrogen atom, a halogen atom, alkyl group, etc., ???R3, R4, R5, R6 and R7 each independently represent a hydrogen atom, a halogen atom, a substitutable alkyl group, a substitutable alkenyl group, alkynyl group, a substitute-able cycloalkyl group, etc., or adjacent two of R3, R4, R5, R6 and R7 may together with the carbon atoms to which the respective substituents are bonded form a ring which may be substituted, ???m and n each independently represent 0 or 1, a salt thereof or an ester derivative thereof; an agricultural chemical containing the same as an active ingredient; and a herbicidal composition containing the compound and a second herbicidally active compound as active ingredients.
