Photochemically Initiated, Electron‐Transfer‐Catalyzed Diels‐Alder Reactions of Electron‐Rich Dienophiles | Zendy

Mlcoch Jiri | Zendy; Steckhan Eberhard | Zendy

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Photochemically Initiated, Electron‐Transfer‐Catalyzed Diels‐Alder Reactions of Electron‐Rich Dienophiles

Author(s) -

Mlcoch Jiri,

Steckhan Eberhard

Publication year - 1985

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198504121

Subject(s) - alkene , electron transfer , tetrafluoroborate , chemistry , photochemistry , catalysis , electron , excited state , redox , diels–alder reaction , organic chemistry , physics , atomic physics , ionic liquid , quantum mechanics

Photochemically excited triphenylpyrylium tetrafluoroborate catalyzes Diels‐Alder reactions that proceed via an electron‐transfer chain mechanism. By means of a “redox umploung”, an electron‐rich alkene (En) is transformed into the radical cation, which functions as an appropriate electron‐poor dienophile (Sens ⊕ = triphenylpyrylium).

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