+ NaOEt+ (CH 3) 2CHCH 2CH 3Br b. 稀NaOH(***式分解),加热得(CH 3) 2CH(CH 2) 3COCH 3 c. (CH 3) 2CH(CH 2) 3COCH 3+ BrCH 2COOEt+ Zn 2. CH(CH 3) 2 + (CH 3) 2CHBr AlCl 3O OO 3O Zn/HgHCl H 2SO 4CH 3MgXEt 2O H 3O -H 2O Pd/C -H 2TM 3. a. OR ,CH 3COCH=C(CH 3) 2b. OH缩合,再脱水 4. 2CH 3COCH 3Mg片呐醇 KHSO 4CH =CH 2CH 3CH 3 CH 2=CH 2KMnO 4H TM 5. CH 3CH 2CHCH 3OH PBr 3MgCH 3CH 2CH 2CHOCH 3CH 2CHCHCH 2CH 2CH 3CH 3OH CrO 3H Br 2HOAc NaOCH 3NaOCH 3CH 3OH CH 3OHTM 五,测定结构(20分) 1. CH 3CHCH=CH 2Br *A(dl) KMnO 4Br 2CH 3CHCHCH 2BrOHOH CH 3CHCHCH 2BrBrBr **(dl)(两对) CH 3CHCH=CH 2OH * B C(dl)H 2CH 3CHCH 2CH 3OH *E(dl) CH 3CH=CHCH 2OHH 2CH 3CH 2CH 2CH 2OH D(顺反异构体) _H 2O _H 2O CH 3CH=CHCH 3CH 3CH 2CH=CH 2CH 3CH 2CH=CH 2 (顺反异构体)H 2CH 3CH 2CH 2CH 3 2. CCH 3OCO +CO m/e105m/e77 + CH 3COm/e43 m/e12O 3. CH 3O CH 3M
中国科学院有机化学考研答案1997 来自淘豆网www.taodocs.com转载请标明出处.