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Iminium–Allenamine Cascade Catalysis: One-Pot Access to Chiral 4H-Chromenes by a Highly Enantioselective Michael–Michael Sequence

✍ Scribed by Xinshuai Zhang; Shilei Zhang; Wei Wang

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
308 KB
Volume
122
Category
Article
ISSN
0044-8249

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## Abstract Even alkyl alkynals (IV) are converted with excellent enantioselectivities using higher catalyst loading and a longer reaction time.