| 发明名称 |
PROCESS FOR PREPARING 5-(2-BROMOETHYLIDENE)-2(3H)-4A-METHYL-¹4, 4A,5,6,7,8-HEXAHYDRONAPHTHALENE-2-ONE AND¹5-ETHENYL-2(3H)-4, 4A, 7, 8-TETRAHYDRONAPHTHALENE-2-ONE THEREFROM BY DEHYDROBROMINATION¹-4A-METHYL-4,4A,7,8-TETRAHYDRONAPHTHALENE-2-ONE BY¹DEHYDROBROMINATION¹DEHYDROBROMINATION |
