Entry [M] Ligand Base Yield/%b
1 Rh(PPh3)3Cl - - N.P.
2 Ni(cod)2 20 mol% PCy3 - N.P.
3 Ni(cod)2 12 mol% IPr·HCl KOtBu N.P.
4 Pd(OAc)2 20 mol% PCy3 - N.P.
5 Pd(OAc)2 20 mol% PPh3 - N.P.
6 Pd(OAc)2 20 mol% SPhos N.P.
7 Pd(OAc)2 12 mol% IPr·HCl KOtBu 73%
8 Pd(OAc)2 12 mol% IMes·HCl KOtBu 45%
9 [Pd(allyl)Cl]2 12 mol% IPr·HCl KOtBu 70%
10 Pd(PtBu3)2 12 mol% IPr·HCl KOtBu 10%
11 Pd(PPh3)4 12 mol% IMes·HCl KOtBu N.P.
12 (IPr)Pd(allyl)Cl - KOtBu 73%
13 (IPr)Pd(allyl)Cl - NaOtBu 41%
14 (IPr)Pd(allyl)Cl - LiOtBu N.P.
15 (IPr)Pd(allyl)Cl - K3PO4 76%
16c (IPr)Pd(allyl)Cl - K3PO4 81%d
17e (IPr)Pd(allyl)Cl - K3PO4 62%