- Tandem decarboxylative hydroformylation-hydrogenation reaction of α,β-unsaturated carboxylic acids toward aliphatic alcohols under mild conditions employing a supramolecular catalyst system
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A new atom economic catalytic method for a highly chemoselective reduction of α,β-unsaturated carboxylic acids to the corresponding saturated alcohols under mild reaction conditions, compatible with a wide range reactive functional groups, is reported. The new methodology consists of a novel tandem decarboxylative hydroformylation/aldehyde reduction sequence employing a unique supramolecular catalyst system.
- Diab, Lisa,Gellrich, Urs,Breit, Bernhard
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supporting information
p. 9737 - 9739
(2013/10/21)
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- One-pot synthesis of imidazolines from aldehydes: detailed study about solvents and substrates
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Imidazolines were prepared in one-pot operation from aldehydes and diamines through oxidation of aminal intermediates by NBS. This method could be applied to various aromatic and aliphatic aldehydes and N-nonsubstituted and N-monosubstituted 1,2-diamines. Furthermore, it was found that CH2Cl2 could be altered to TBME, a more environmentally friendly solvent, in the reaction using N-nonsubstituted 1,2-diamines. The reaction conditions were very mild and chemoselective.
- Fujioka, Hiromichi,Murai, Kenichi,Kubo, Ozora,Ohba, Yusuke,Kita, Yasuyuki
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p. 638 - 643
(2007/10/03)
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- A mild and selective cleavage of p-methoxybenzyl Ethers by CBr4-MeOH
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p-Methoxybenzyl ethers were selectively deprotected to the corresponding alcohols and phenols in high yields by CBr4 in refluxing methanol under neutral reaction conditions.
- Yadav,Reddy, B. V. Subba
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p. 566 - 567
(2007/10/03)
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- SYNTHESIS OF IMMUNOSUPPRESIVE NEOGLYCOPROTEINS: BOVINE SERUM ALBUMIN COUPLED WITH 8-(HYDRAZINOCARBONYL)OCTYL 4- OR 6-O-&α-D-MANNOPYRANOSYL-&α-D-MANNOPYRANOSIDE
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Recombinant cytokines generated by bacteria, especially E.coli, are nonglycosylated.To investigate the effects of carbohydrates on their activities, we attempted to develop new cytokines by introduction of carbohydrates.As a model we synthesized neoglycop
- Wada, Kaoru,Chiba, Taku,Takei, Yutaka,Ishihara, Hideko,Hayashi, Hidetoshi,Onozaki, Kikuo
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p. 941 - 966
(2007/10/02)
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- Pesticidal polyhalo alkenoic acid esters
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The present invention discloses and exemplifies alcohol, ether and ester derivatives of difluoroalkanes and difluoroalkenylalkanes having the general formula R--(CH2)m --CR2 R3 --OR1, in which R is a 1,1-difluoroalkyl or a 1,1-difluoroalkenyl group, composition thereof, and use thereof to control agricultural crop pests.
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