反应详情

The procedure of Example 35, part (A) is followed using ethyl α-bromopropionate in equivalent quantities in place of ethyl bromoacetate used therein. There is obtained ethyl α-(1-hydroxy-6-methoxy-2-methyl-1-indanyl)propionate, which is dehydrated to ethyl α-(5-methoxy-2-methyl-3-indenyl)propionate in the same manner.