例:利用从冬青中提取出的有机物A合成抗结肠炎药物Y及其他化学品,合成路线如下图:根据上述信息回答:(1)D不与NaHCO_3溶液反应,D中官能团的名称是____,B→C的反应类型是____。(2)写出A生成B和E的化学反应方程式____。(3)A的同分异构体I和J是重要的医药 Example: Synthesis of anti-colitis drug Y and other chemicals using organic substance A extracted from holly, the synthesis route is as follows: According to the above information, answer: (1) D does not react with NaHCO 3 solution, the name of functional group in D is ____ The reaction type of B→C is ____. (2) Write the chemical reaction equation ____ that A generates B and E. (3) Isomers I and J of A are important medicines