Table 1.

Exploration of reaction conditions.

Entry	Variation from “standard condtions”[a]	Yield [%][b]
1	None	85
2	Pd(OAc)2	70
3	Si i Pr3‐protected bromoalkyne (3′)	<5
4	t BuO2C‐ instead of PA (1  a′)	<5
5	1  a′, 3′	<5
6	1  a′, Pd(dba)2, DPE‐Phos, NaOtBu, PhMe	<5
7	1  a′, 3′, Pd(dba)2, DPE‐Phos, NaOtBu, PhMe	<5

[a] Reactions conducted using 0.1 mmol 1  a at 0.1 M. [b] Yield determined by ¹H NMR analysis of unpurified reaction mixture. DPE‐Phos=Bis[(2‐diphenylphosphino)phenyl] ether.