Identification of compounds (1–7)
Compound 1 was isolated as a white powder and gave a reddish-violet color with a p-anisaldehyde spray reagent. 1H NMR spectrum showed six methyl signals, two singlets at δH 0.67 (s, 3H) and 0.95 (3H, s), three…
Compound 1 was isolated as a white powder and gave a reddish-violet color with a p-anisaldehyde spray reagent. 1H NMR spectrum showed six methyl signals, two singlets at δH 0.67 (s, 3H) and 0.95 (3H, s), three…