Selective activation of enantiotopic C(sp3)-hydrogen by means of chiral phosphoric acid: asymmetric synthesis of tetrahydroquinoline derivatives
- PMID: 21466211
- DOI: 10.1021/ja2014955
Selective activation of enantiotopic C(sp3)-hydrogen by means of chiral phosphoric acid: asymmetric synthesis of tetrahydroquinoline derivatives
Abstract
Chiral phosphoric acid-catalyzed asymmetric C-H functionalization has been achieved. In this process, enantiotopic C(sp(3))-hydrogen is selectively activated by chiral phosphoric acid to afford tetrahydroquinoline derivatives with excellent enantioselectivities (up to 97% ee).
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