9-Brom-3,7-dimethyl-nonadien-(3,7) 、
2,3-dihydro-3-methyl-6-hydroxybenzofuran 以to form 6-[(3,7-dimethyl-2,6-nonadienyl)-oxy]-3-methyl-2,3-dihydrobenzofuran of boiling point 147° C./0.001 mmHg的产率得到6-[(3,7-Dimethylnona-2,6-dien-1-YL)oxy]-3-methyl-2,3-dihydro-1-benzofuran