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The inside cover picture illustrates a starship satellite for the asymmetric Diels–Alder reaction between 2,4‐dienals and various α,β‐unsaturated esters in the organocatalytic universe. Leveraging the power of organocatalysis, the catalytic process facilitates the creation of a diverse range of densely functionalized cyclohexenes bearing multiple stereogenic centers with high levels of stereoselectivity...
Despite advances in the development of catalytic asymmetric Diels‐Alder reactions, introducing α,β‐unsaturated esters as dienophiles remains challenging owing to their low reactivity. Herein, we report that a chiral aminocatalyst in conjunction with a chiral isothiourea catalyst or a Brønsted acid can promote enantio‐ and diastereoselective Diels‐Alder reactions between 2,4‐dienals and α,β‐unsaturated...