Thiourea-catalyzed Diels–Alder reaction of a naphthoquinone monoketal dienophile

A variety of organocatalysts were screened for the catalysis of the naphthoquinone monoketal Diels–Alder reaction. In this study we found that Schreiner's thiourea catalyst 10 and Jacobson's thiourea catalyst 12 facilitate the cycloaddition of the sterically hindered naphthoquinone monoket...

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Bibliographic Details
Main Authors: Carsten S. Kramer, Stefan Bräse
Format: Article
Language:English
Published: Beilstein-Institut 2013-07-01
Series:Beilstein Journal of Organic Chemistry
Subjects:
Online Access:https://doi.org/10.3762/bjoc.9.158