SEARCH Articles Figures Tables 4.5- Dimethyl-2- 1-hydroxy 5- -2,2-dimethyl SYNTHESIS 6- Hydroxy-2,2-dimethyl chromen 6-Hydroxy-2,2-dimethyl chromene 6-Hydroxy-2,2-dimethyl chromene synthesis 6-Hydroxy-2,2-dimethyl chromene synthesis Hydroxy synthesis