Antje Meißner,Cornelia Pribbenow,Hans-Joachim Drexler et al.
Antje Meißner et al.
The title compounds, [(1R,1'R,2R,2'R)-2,2'-bis(diphenylphosphanyl)-1,1'-dicyclopentane](η(4)-norbornadiene)rhodium(I) tetrafluoridoborate, [Rh(C34H36P2)(C7H8)]BF4, (I), and [(1R,1'R,2R,2'R)-2,2'-bis(diphenylphosphanyl)-1,1'-dicyclopentane]...
A time-resolved PHIP-NMR method applied to the asymmetric homogeneous hydrogenation of β-dehydroamino acids [0.03%]
一种应用于β-脱水氨基酸的不对称均相氢化的时序PHIP-NMR方法研究
S Wildschütz,P Hübler,J Bargon
S Wildschütz
A new NMR technique based on parahydrogen-induced polarisation (PHIP) is presented, that allows the catalytic enantioselective hydrogenation of prochiral substrates to be monitored (see scheme, the left-hand side arises from the hydrogenati...
David J Ager,André H M de Vries,Johannes G de Vries
David J Ager
Asymmetric hydrogenations are increasingly being used to introduce stereogenic centres into products used in the life sciences industries. There are a number of potential pitfalls when moving from a laboratory reaction to a manufacturing pr...
New mechanistic aspects of the asymmetric homogeneous hydrogenation of alkenes [0.03%]
烯烃手性均相氢化的若干新进展
J M Brown,R Giernoth
J M Brown
Progress in homogeneous catalysis depends upon an understanding of the reaction mechanism; in asymmetric catalysis this entails an insight into the origins of enantioselectivity. Significant advances have been made in the area of alkene red...
3,3'-Bis(diphenylphosphino)-1,1'-disubstituted-2,2'-biindoles: easily accessible, electron-rich, chiral diphosphine ligands for homogeneous enantioselective hydrogenation of oxoesters [0.03%]
3，3'-双(二苯基膦)-1，1'-取代-2，2'-联吲哚：易于获得的手性双膦配体用于醛酸酯不对称均相氢化反应
T Benincori,O Piccolo,S Rizzo et al.
T Benincori et al.
Racemic (+/-)-3,3'-bis(diphenylphosphinyl)-1,1'-dimethyl-2, 2'-biindole (1c) (N-Me-2-BINPO) and (+/-)-3, 3'-bis(diphenylphosphinyl)-1,1'-bis(methoxymethyl)-2,2'-biindole (1d) (N-MOM-2-BINPO) were synthesized in satisfactory yields following...