Enantioselective synthesis of planar chiral ferrocenes via palladium-catalyzed annulation with diarylethynes
When Boc-L-Val-OH was used as a ligand for the enantioselective Pd(II)-catalyzed annulation of N,N-substituted aminomethyl ferrocene derivatives with diarylethynes, ferrocenes with planar chirality could be achieved with excellent enantioselectivity (up to 99% ee).
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Beilstein-Institut
2013-09-01
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Series: | Beilstein Journal of Organic Chemistry |
Subjects: | |
Online Access: | https://doi.org/10.3762/bjoc.9.222 |