CAS: 2483-49-0; Boc-Ala-Onp

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CAS号100-02-7 对硝基苯酚 | CAS号15761-38-3 叔丁氧羰基-L-丙氨酸 | CAS号658-78-6 2,2,2-三氟乙酸(4-硝基苯基)酯 | CAS号13303-10-1 (4-硝基苯基)碳酸叔丁酯 | CAS号54430-64-7 [(1S)-2-imidazo... | CAS号33300-72-0 B°C-乙酰氨基异戊酸 | CAS号78981-25-6 N-B°C-D-丙氨酰胺 | CAS号100-02-7 对硝基苯酚 | CAS号15761-38-3 叔丁氧羰基-L-丙氨酸 | CAS号18814-49-8 (R)-5-氨基-4-((S)... | CAS号70396-21-3 b°C-ala-ile-oh | CAS号14609-74-6 Phenol, 4-nitro...

📜对硝基苯酚,N-叔丁氧羰基-L-丙氨酸置于4-二甲氨基吡啶体系中,用 二氯甲烷 用作溶剂,化学反应 1.0H,以78%的收率获得n-叔丁氧羰基-L-丙氨酸 4-硝基苯酯
参考文献:碳酸二-2-吡啶基酯制备活性酯的新方法
标题:碳酸二-2-吡啶基酯制备活性酯的新方法
摘要:发现在催化量的4-二甲基氨基吡啶的存在下使用碳酸二-2-吡啶基碳酸酯在制备各种活性酯中非常有效.
Doi:10.1039/c39850000473

专利信息

专利号:US-2002146684-A1
优先权日:2001-04-09
标题:One dimensional unichemo protection (UCP) in organic synthesis
发明人：MELDAL MORTEN PETER; MIRANDA LESLIE PHILIP
摘要:A protected template molecule and a new one-dimensional UniChemo Protection (UCP) organic synthetic method for preparing polyfunctional organic molecules is described. The synthetic method can be used with many kinds of chemical reactions and provides selective access to many functional groups in a template molecule. The method utilizes protection groups that are each composed of building block units that can be removed one by one affording a new protection group one unit shorter or exposing a functional group on the template molecule. The exposed functional group on the template molecule can react with a target group. Different target groups can be introduced into the template molecule by using protection groups containing different numbers of building block units.