Article Dans Une Revue Tetrahedron Année : 2006

Disproportionation reaction of diarylcarbinols: a versatile access to diarylmethanes speeded up using microwave irradiation

Résumé

An efficient synthesis of diarylmethanes under classical thermal conditions and under microwave heating has been established from diarylcarbinols via a new disproportionation reaction. The key step involve a selective hydride transfert of iso-propylic ethers intermediates. Soft experimental procedure using catalytic CBr4 or TfOH in i-PrOH and good yields render this method useful and competitive to the conventional approaches relying on application of external reducing agents.

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hal-02394612 , version 1 (04-12-2019)

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Nathalie L'Hermite, Anne Giraud, Olivier Provot, Jean-François Peyrat, Mouad Alami, et al.. Disproportionation reaction of diarylcarbinols: a versatile access to diarylmethanes speeded up using microwave irradiation. Tetrahedron, 2006, 62 (51), pp.11994-12002. ⟨10.1016/j.tet.2006.09.083⟩. ⟨hal-02394612⟩
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