CH= CHCHO 答 CH3CH=- CHCH2CHO NaBH 答:CH13CH=CHCH2CH2OH VCH,C-CH ZnHg/浓HCl 加热 HO- CH,CHCH 交 2CH<cHo浓0u COOH CH3 CHOH 答 MgB 1. Et2o 2.H2O+ 答 CH3 COCH2CH3+ I2 Naoh 答:CH3+ CH3 CH2COONa 14.0 Ph P=CH2 答 < CH CH3COCH3+Ph3P≡CHCH (CH3)2C=CHCH342 答： C H C H C H O 9 ． 1. NaBH4 C H 3 C H C H C H 2 C H O 2. H 3 O + 答： C H 3 C H C H C H2 C H2 O H 10 ． 加 热 Z n-H g/浓 H Cl CH3 O 加 热 Z n-H g/浓 H Cl HO CH2C 答： H O C H 2 C H 2 C H 3 11 ． 2 C H O 浓 N a O H C H 3 答： C H3 C O O H + C H3 C H 2 O H 12 ． + 1. Et2 O O M g Br 2. H 3 O + 答： H O 13 ． C H3C O C H2C H3 + I2 + NaO H + 答： C H I 3 + C H 3 C H 2 C O O N a 14 ． O + P h 3 P C H 2 答： C H 2 15 ． C H 3 C O C H 3 + P h 3 P C H C H 3 答： C H C H 3 ( C H 3 ) 2 C