OH OH (CH33C H2SO4 C(CH3)3 + CH3)2C=CH2 △ CHa CH OH BE ①D Chr,H (主) ⑨D C-CH 3Organic Chemistry Organic Chemistry Xiamen Xiamen University University OH CH 3 (C H 3 ) + 2C C H 2 H 2SO 4 OH CH 3 C(CH 3 ) 3 (C H 3 ) 3 C OH CH 3CO 2 H B F 3 OH C C H 3 O + ( 主 )