Tetrahedron Letters p. 7581 - 7582 (1997)
Update date:2022-08-29
Topics:
Muratake, Hideaki
Natsume, Mitsutaka
Cyclization reaction of 5 - 10 using 10 mol% of PdCl2(Ph3P)2 in the presence of 3 eq. of Cs2CO3 in hot THF or toluene afforded bridged or spiro compounds 11 - 16 in good to moderate yields.
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