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ChemInform Abstract: Organocatalytic Functionalization of Carboxylic Acids: Isothiourea-Catalyzed Asymmetric Intra- and Intermolecular Michael Addition—Lactonizations.

✍ Scribed by Dorine Belmessieri; Louis C. Morrill; Carmen Simal; Alexandra M. Z. Slawin; Andrew D. Smith

No coin nor oath required. For personal study only.

✦ Synopsis

The intramolecular reaction of enone acids in the presence of tetramisole·HCl affords indene or dihydrobenzofuran carboxylates with up to 99% ds.

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