C6H5-CH=CH2+HBR=C6H5-CH2-CH2BR
C6H5-CH=CH2+HBR=C6H5-CHBR-CH3这两种产物水解后如何发生酯化反应呢？C6H5-CH2-CH2BR+NAOH=C6H5-CH2-CH2OH+NABR为什么不能是C6H5-CHBr-CH3+NAOH=C6H5-CHOH-CH3+NABR？