g instead of 4 methyl styrene oxide the title compound was obtained as white needle crystals mp 72 5 u2013 74 5 u00b0 c yield 64 6 the procedure was in the same manner as described in example 9 except that the starting material was 3 fluoro styrene oxide 1 11 g instead of 4 methyl styrene oxide the title compound was obtained as white needle crystals mp 46 u2013 47 3 u00b0 c yield 31 9 the procedure was in the same manner as described in example 9 except that the starting material was 3 chloro styrene oxide 1 24 g instead of 4 methyl styrene oxide the title compound was obtained as white needle crystals mp 69 5 u2013 71 0 u00b0 c yield 50 9 the procedure was in the same manner as described in example 9 except that the starting material was 3 bromo styrene oxide 1 59 g instead of 4 methyl styrene oxide the title compound was obtained as white needle crystals mp 79 7 u2013 81 4 u00b0 c yield 80 5 4 chloro styrene oxide 1 24 g 8 0 mmol and 3 ml of cyclopropylamine in methanolic solution were charged into a flask the flask was sealed and put in a refrigerator for 5 u2013 7 days the solution was concentrated and the residue crystallized from ether the title compound was obtained as white needle crystals mp 100 2.