Fig. 3
1H NMR spectrum (400 MHz, CD3OD) of 2b (a), 2a + 2b (b), and 2a (c). DOSY spectrum (500 MHz, CD3OD) of 2a + 2b (d), (The peaks at 3.50 and 1.18 ppm belong to diethyl ether)
Fig. 3 | Nature Communications
1H NMR spectrum (400 MHz, CD3OD) of 2b (a), 2a + 2b (b), and 2a (c). DOSY spectrum (500 MHz, CD3OD) of 2a + 2b (d), (The peaks at 3.50 and 1.18 ppm belong to diethyl ether)
