反应详情

By following the method of Example 12, Step B, 4-(1-oxo-2ethyl-6,7-dichloro-5-indanyloxy)butyric acid (13.24 g., 0.04 mole) is treated with sulfuryl chloride (3.6 ml., 0.044 mole) in acetic acid (100 ml.) to obtain 9.33 g. of 4-(1-oxo-2-ethyl-2,6,7-trichloro-5-indanyloxy)butyric acid, m.p. 123°-124° C. after recrystallization from ethanol.

1. customto obtain 9.33 g
2. customof 4-(1-oxo-2-ethyl-2,6,7-trichloro-5-indanyloxy)butyric acid, m.p. 123°-124° C. after recrystallization from ethanol