457658-05-8Relevant articles and documents
H-Bonding Assisted Self-Assembly of Anionic and Neutral Ligand on Metal: A Comprehensive Strategy to Mimic Ditopic Ligands in Olefin Polymerization
Mote, Nilesh R.,Patel, Ketan,Shinde, Dinesh R.,Gaikwad, Shahaji R.,Koshti, Vijay S.,Gonnade, Rajesh G.,Chikkali, Samir H.
supporting information, p. 12448 - 12456 (2017/10/24)
Self-assembly of two neutral ligands on a metal to mimic bidentate ligand coordination has been frequently encountered in the recent past, but self-assembly of an anionic ligand on a metal template alongside a neutral ligand remains an elusive target. Suc
Highly Enantioselective Pd-Catalyzed Synthesis of P-Stereogenic Supramolecular Phosphines, Self-Assembly, and Implication
Koshti, Vijay S.,Mote, Nilesh R.,Gonnade, Rajesh G.,Chikkali, Samir H.
supporting information, p. 4802 - 4805 (2015/11/09)
Metal-catalyzed asymmetric addition of a secondary phosphine to an aryl halide is one of the most efficient and reliable approaches for the construction of enantiopure carbon-phosphorus bonds. An isolated Pd(II) complex (5) catalyzes the carbon-phosphorus coupling reaction between tolylphenylphosphine (1a) and 3-iodophenylurea (2b), which proceeds with an unprecedented enantiomeric excess (ee) of 97%. The generality of the strategy has been demonstrated by preparing a small library of a new class of P-stereogenic phosphines with an in-built hydrogen bonding motif for the first time. The P-stereogenic phosphines self-assemble on a metal template via deliberately installed hydrogen-bonding motifs and mimic the bidentate ligand coordination. Interestingly, when it was employed in asymmetric hydrogenation, the supramolecular phosphine {1-(3-(phenyl(o-tolyl)phosphanyl)phenyl)urea} (6b) produced the corresponding hydrogenated product with the highest enantiomeric excess of 99% along with excellent conversion, demonstrating the potential of these enantioenriched P-chirogenic supramolecular phosphines in asymmetric catalysis.
PHENETHANOLAMINE DERIVATIVES AND THEIR USE IN THE TREATMENT OF RESPIRATORY DISEASES
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Page 38, (2010/02/06)
The present invention relates to novel compounds of formula (I), to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use in the prophylaxis and treatment of respiratory diseases.