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. Author manuscript; available in PMC: 2008 Aug 26.
Published in final edited form as: Chem Rev. 2007 May 27;107(6):2503–2545. doi: 10.1021/cr0509556

Table 19.

Results of HDA of enantioenriched aldehydes with achiral and chiral Cr(III) Schiff base complexes from Figure 18.

entry aldehyde product cat. yield (%) dr
1 graphic file with name nihms-63649-t0055.jpg graphic file with name nihms-63649-t0056.jpg achiral
(1R,2S)
(1S,2R)		 81
96
97		 1 : 2.0
1 : 12
15 : 1
2 graphic file with name nihms-63649-t0057.jpg graphic file with name nihms-63649-t0058.jpg achiral
(1R,2S)
(1S,2R)		 50
90
86		 1 : 1.1
1: 11
9.3 : 1
3 graphic file with name nihms-63649-t0059.jpg graphic file with name nihms-63649-t0060.jpg achiral
(1R,2S)
(1S,2R)		 85
98
99		 1:1.3
16 : 1
1 : 11
4 graphic file with name nihms-63649-t0061.jpg graphic file with name nihms-63649-t0062.jpg achiral
(1R,2S)
(1S,2R)		 58
58
54		 1.7 : 1
3.6 : 1
1 : 2.6
5 graphic file with name nihms-63649-t0063.jpg graphic file with name nihms-63649-t0064.jpg achiral
(1R,2S)
(1S,2R)		 68
76
84		 1 : 4.5
1 : 1.2
1 : 33