. 2022 Dec 21;145(1):527–536. doi: 10.1021/jacs.2c10842

Table 6. Catalytic Results of Alk–Alk′ Couplings Using ^tBu–C≡C–I and Bu₃Sn–C≡CPh Catalyzed by 2.

graphic file with name ja2c10842_0019.jpg

entry	catalyst (%)	additives^a	^tBuC₂–C₂Ph	^tBuC₂–C₂^tBu	^tBuC₂–I
1	10	AsPh₃, LiCl	92	8
2	10	LiCl	92	8
3	10		91	9
4	2	LiCl	91	9
5	2		58	6	36

1 mol % AsPh₃ and 100 mol % LiCl when specified.

Table 6. Catalytic Results of Alk–Alk′ Couplings Using tBu–C≡C–I and Bu3Sn–C≡CPh Catalyzed by 2.