O(16)
PhPh+H2CPPh3
(17)PhCHO + HCHO
OH-
(18)O+ CH3CO3HCH3CO2Et40 ℃
解：
(1)CHO+H2NCHN
(2)HCCH+2CH2OHOCH2CCCH2OH
ON(3)+对甲苯磺酸NH苯 , 加热
ONOH(4)+NH2OH
(5)OHCN/OH-OHH2O/H+OHCNCOOH
OO(CH3)2CuLiH2OCH3(6)PhLiH2OHOPh(主)(主)
PhO(7)① PhMgBr② H2OPhOHC2H5O(主)Ph① C2H5MgBr② H2OPh(主)
OCH3EtO-OO+O(8)
O(9)O+EtO-OOCHOCHO
O(10)CH3CCH2Br
HOCH2CH2OHHCl(干)OH3CCOCH2Br
OO(11)CH3
+ H2Pd/CCH3
CH3(12)H3CH3C
ONaBH4(CH3)2CHOHH3O+CH3H3CH3CHOH
OHO(13)LiBH(sec-Bu)3H3O+H
O(14)MgH3O+Ph苯OCCH3
PhPhCCH3
O(15)
O+ Br2H2O , HOAc加 热Br
O(16)
CH2Ph+H2CPPh3PhPhPh
(17)PhCHO + HCHO
OH-PhCH2OH + HCOONa
O(18)O+ CH3CO3HCH3CO2Et40 ℃O
7. 鉴别下列化合物：
（1）CH3CH2COCH2CH3 与 CH3COCH2CH3
（2）PhCH2CHO 与 PhCOCH3
O(3)① CH3CH2CHO②H3CCCH3③H3COHCHCH3④ CH3CH2Cl
