N-Boc-4-哌啶甲酸乙酯的合成路线有哪些？

基本信息：中文名称 N-Boc-4-哌啶甲酸乙酯中文别名 1-Boc-4-哌啶甲酸乙酯;哌啶-1,4-二甲酸1-叔丁基4-乙酯;哌啶-1,4-二羧酸1-叔丁基酯4-乙酯;1-(叔丁氧羰基)-4-哌啶甲酸乙酯;英文名称 Ethyl N-Boc-piperidine-4-carboxylate英文别名 Piperidine-1,4-dicarboxylic acid 1-tert-butyl ester 4-ethyl ester;1-tert-Butyl 4-Ethyl Piperidine-1,4-dicarboxylate;Ethyl 1-(tert-Butyloxycarbonyl)isonipecotate;1-Boc-4-piperidinecarboxylic Acid Ethyl Ester;1-O-tert-butyl 4-O-ethyl piperidine-1,4-dicarboxylate;Ethyl 1-Boc-4-piperidinecarboxylate;Ethyl N-BOC-4-piperidinecarboxylate;Piperidine-1,4-dicarboxylic Acid 1-tert-Butyl 4-Ethyl Ester;N-Boc-4-Carbethoxy Piperidine;Ethyl 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylate;1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic Acid Ethyl Ester;CAS号 142851-03-4合成路线：1.通过4-哌啶甲酸乙酯合成N-Boc-4-哌啶甲酸乙酯，收率约98%；2.通过4-哌啶甲酸乙酯和二碳酸二叔丁酯合成N-Boc-4-哌啶甲酸乙酯更多路线和参考文献可参考http://baike.molbase.cn/cidian/74116