4
A 74 [ i TBDMSOTf , Et3N
ii PdCl2Ph3P2 , Bu3SnF, LiCl ] 5→ 6
Figure 2
[ PdCl2Ph3P2 , Cs2CO3 , with or without Ph3P, in THF or
toluene]
α
Hetisan7
11Figure 3 enone 1213N-C6
14C 15 161
40 (±) -1X
X
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