Catalysis by lithium perchlorate in dichloromethane: Diels-Alder reactions and 
1,3-Claisen rearrangements

Reetz, Manfred T.; Gansäuer, Andreas

doi:10.1016/S0040-4020(01)87187-8

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Catalysis by lithium perchlorate in dichloromethane: Diels-Alder reactions and 1,3-Claisen rearrangements

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Reetz, Manfred T.
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

Gansäuer, Andreas
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Reetz, M. T., & Gansäuer, A. (1993). Catalysis by lithium perchlorate in dichloromethane: Diels-Alder reactions and 1,3-Claisen rearrangements. Tetrahedron, 49(27), 6025-6030. doi:10.1016/S0040-4020(01)87187-8.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0023-CB25-5

Abstract

Lithium perchlorate suspended in dichloromethane is an efficient catalyst (4 – 25 mol-%) for stereoselective Diels-Alder, hetero-Diels-Alder and regioselective 1,3-Claisen rearrangements; this process is milder, safer and environmentally less precarious than the use of 1 – 5 molar solution of LiClO₄ in ether described previously in the literature.