苯嗪草酮的合成路线有哪些？

基本信息：中文名称 苯嗪草酮中文别名 1-萘基-N-甲基氨基甲酸脂;苯嗪草;4-氨基-4,5-二氢-3-甲基-6-苯基-1,2,4-三嗪-5-酮;3-甲基-4-氨基-6-苯基-4,5-二氢-1,2,4-三嗪-5-酮;4-氨基-4,5-二氢基-3-甲基-6-苯基-1,2,4-三嗪-5-酮;4-氨基-3-甲基-6-苯基-1,2,4-三嗪-5-酮;英文名称 metamitron英文别名 4-amino-4,5-dihydro-3-methyl-6-phenyl-1,2,4-triazin-5-one;4-amino-3-methyl-6-phenyl-4,5-dihydro-1,2,4-triazin-5-one;4-amino-3-methyl-6-phenyl-1,2,4-triazin-5(4H)-one;Methiamitron [Belgium];Metamitron [German];Methiamitron [French];Metamitron [BSI:ISO];4-Amino-3-methyl-6-phenyl-1,2,4-triazin-5-one;Herbrak;METAMITRON;Metamiton;4-amino-6-phenyl-3-methyl-4,5-dihydro-1,2,4-triazin-5-one;4-Amino-4,5-dihydro-3-methyl-6-phenyl-1,2,4-triazin-5-one;Goltix;4-amino-3-methyl-6-phenyl-1,2,4-triazin-5-one;4-amino-3-methyl-6-phenyl-1,2,4-triazin-5-(4H)-one;CAS号 41394-05-2合成路线：1.通过苯甲酰甲酸甲酯合成苯嗪草酮更多路线和参考文献可参考http://baike.molbase.cn/cidian/38550