Transition metal-catalyzed cyclization of 2-allylphenol to 2,3-dihydro-2-methylbenzofuran without β-elimination

DOI: 10.1246/cl.1998.1083

Source and publish data:

Chemistry Letters p. 1083 - 1084 (1998)

Update date:2022-08-11

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Authors:

Hori, Kazushige

Kitagawa, Hideki

Miyoshi, Akio

Ohta, Tetsuo

Furukawa, Isao

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Article abstract of DOI:10.1246/cl.1998.1083

The intramolecular nucleophilic addition of 2-allylphenol was catalyzed by RuCl₃·nH₂O/AgOTf-PPh₃-Cu(OTf) ₂ to afford 2,3-dihydro-2-methylbenzofuran in good yield, while 2-(3-butenyl)-phenol was converted to 3,4-dihydro-2(2H)-methylbenzopyran.

Full text of DOI:10.1246/cl.1998.1083

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