Table 2.

Arylation of 1‐pentanol.

Entry	Additive (equiv)	4 a+4 b [%][a]	Ratio 4 a:4 b	Other products[a]
1	–	51	80:20	–
2[b]	furan (5)	36	nd	6 a 9 %
3	piperidine (0.5)	27	100:0
				7 b (m)+7 c (p) 31 %
4[c]	piperidine (1.2)	0	–	–
5	NaHMDS (1.2)	52[b]	80:20	–

[a] Isolated yields. [b] ¹H NMR yield with TMB as internal standard. [c] No tBuONa was added. nd=not determined due to overlapping peaks, mainly 4 a.