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ChemInform Abstract: Asymmetric Synthesis of cis-3,4-Disubstituted Chromans and Dihydrocoumarins via an Organocatalytic Michael Addition/Hemiacetalization Reaction.

✍ Scribed by Dieter Enders; Chuan Wang; Xuena Yang; Gerhard Raabe

Publisher
John Wiley and Sons
Year
2011
Weight
63 KB
Volume
42
Category
Article
ISSN
0931-7597

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## Abstract To obtain disubstituted dihydrocoumarins, the domino products are oxidized with PCC or treated with triethylsilane and boron trifluoride etherate.