[OH-].[Na+].[CH3:3][C:4]1[CH:5]=[C:6]([OH:13])[C:7]([N+:10]([O-:12])=[O:11])=[CH:8][CH:9]=1.CS(C)=O.Cl[CH2:19][CH:20]=[CH2:21]>O>[CH2:21]([O:13][C:6]1[C:7]([N+:10]([O-:12])=[O:11])=[CH:8][CH:9]=[C:4]([CH3:3])[CH:5]=1)[CH:20]=[CH2:19]A solution of 26.1 g of sodium hydroxide in 50 ml of water was added drop-by-drop over 5 minutes to a stirred mixture of 100 g of 3-methyl-6-nitrophenol, 400 ml of dimethylsulfoxide (DMSO) and 53.6 g of 3-chloro-1-propene initially at room temperature. The temperature of the mixture rose to 43° C. The mixture was heated at 90°-110° C. for two hours, poured into water and filtered, to give 1-(2-propenyloxy)-3-methyl-6-nitrobenzene (1A), as a light yellow solid, m.p.: 30°-32° C.
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