反応 #57739

反応方程式

2-bromomethyl-benzofuran

2-methoxy-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenol

→

2-[2-methoxy-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxymethyl]-benzofuran

収率 29.0%

反応条件

実験手順

Alkylation of 2-bromomethyl-benzofuran with 2-methoxy-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenol was carried out according to Example 136, Step 3, to give 2-[2-methoxy-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxymethyl]-benzofuran in 29% yield. 1H NMR (400 MHz, CDCl3) δ ppm 1.3 (s, 12 H) 3.9 (s, 3 H) 5.3 (s, 2 H) 6.8 (d, J=0.8 Hz, 1 H) 7.0 (d, J=8.1 Hz, 1 H) 7.2 (m, 1 H) 7.3 (m, 2 H) 7.4 (dd, J=8.0, 1.4 Hz, 1 H) 7.5 (dd, J=8.1, 0.8 Hz, 1 H) 7.5 (dd, J=8.0, 1.1 Hz, 1 H).

出典