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- W4240987698 abstract "Catalytic asymmetric arylation of 2,3-dihydrofuran with phenyl triflate in benzene in the presence of 1,8-bis(dimethylamino)naphthalene (proton sponge) and a chiral palladium catalyst, generated in situ from Pd(OAc)2 and 2 equiv/Pd of (R)-BINAP, at 40 °C gave optically active (R)-2-phenyl-2,3-dihydrofuran in extremely high enantioselectivity (>96% ee), together with a small amount of the regioisomer (S)-2-phenyl-2,5-dihydrofuran. Under similar conditions, various aryl triflates (ArOTf; Ar = p-ClC6H4, m-ClC6H4, o-ClC6H4, p-AcC6H4, p-NCC6H4, p-FC6H4, p-MeOC6H4, p-MeC6H4, and 2-naphthyl) reacted with 2,3-dihydrofuran to yield the corresponding (R)-2-aryl-2,3-dihydrofurans of >96-87% ee. The mechanism and factors governing this novel catalytic asymmetric reaction are discussed in detail." @default.
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- W4240987698 date "1993-05-05" @default.
- W4240987698 modified "2023-10-12" @default.
- W4240987698 title "Catalytic Asymmetric Heck Reaction" @default.
- W4240987698 doi "https://doi.org/10.1021/bk-1993-0517.ch006" @default.
- W4240987698 hasPublicationYear "1993" @default.
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