methyl (E)-4-bromo-4-methylpenten-2-oate   、                                                                                      
苯乙酸甲酯                                                                                                                                                              在
                                                                                                                                                                                 
lithium hexamethyldisilazane                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
Methyl 2-phenyl-3-methoxycarbonyl-5-methyl-hex-4-enoate   、                                                                                             Methyl 2-phenyl-3-methoxycarbonyl-5-methyl-hex-4-enoate   、                                                                                             alkaline earth salt of/the/ methylsulfuric acid   、                                                                                             alkaline earth salt of/the/ methylsulfuric acid