Diastereoselective hydrogenation of o-toluic acid derivatives over supported rhodium and ruthenium heterogeneous catalysts

被引:40
作者
Besson, M [1 ]
Gallezot, P [1 ]
Neto, S [1 ]
Pinel, C [1 ]
机构
[1] Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France
关键词
D O I
10.1039/a802822b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Asymmetric hydrogenation of an o-toluic acid derivative to 2-methylcyclohexanoic acid with high optical selectivity (up to 95%) was performed by using (S)-pyroglutamic acid methyl ester as a chiral auxiliary and Rh-Al2O3 as the catalyst.
引用
收藏
页码:1431 / 1432
页数:2
相关论文
共 6 条
[1]   Chiral N-dienyl-L-pyroglutamic esters in asymmetric hetero-Diels-Alder reactions with acylnitroso dienophiles [J].
Behr, JB ;
Defoin, A ;
Pires, J ;
Streith, J ;
Macko, L ;
Zehnder, M .
TETRAHEDRON, 1996, 52 (09) :3283-3302
[2]   Diastereoselective catalytic hydrogenation on heterogeneous metal catalysts [J].
Besson, M ;
Pinel, C .
TOPICS IN CATALYSIS, 1998, 5 (1-4) :25-38
[3]  
Besson M, 1997, STUD SURF SCI CATAL, V108, P215
[4]   Diastereoselective hydrogenation of substituted aromatics on supported metal catalysts [J].
Besson, M ;
Blanc, B ;
Champelet, M ;
Gallezot, P ;
Nasar, K ;
Pinel, C .
JOURNAL OF CATALYSIS, 1997, 170 (02) :254-264
[5]   Diastereoselective hydrogenations of unsymmetrically substituted aromatics [J].
Exl, C ;
Ferstl, E ;
Honig, H ;
RogiKohlenprath, R .
CHIRALITY, 1995, 7 (04) :211-218
[6]   Synthesis of chiral amino acids and amines over solid catalysts [J].
Tungler, A ;
Fodor, K .
CATALYSIS TODAY, 1997, 37 (02) :191-208