反应详情

The procedure of Step 2 of Example 1 was followed except that 1,1-diphenyl-2-propyn-1-ol was used in place of 1,1-bis(4-methoxyphenyl)-2-propyn-1-ol and 3-methyl-1-hydroxynaphthalene was used in place of methyl-1,4-dihydroxy-2-naphthoate to produce 2,2-diphenyl-5-methyl-[2H]-naphtho[1,2-b]pyran.