The synthesis of cyclo ( - Ab 7 - Aib - Phe - D - Pro - ) which uses solid phase peptide synthesis with N - Fmoc protection is faild.
本論文嘗試用固相法氨基酸N端Fmoc保護策略合成cyclo ( -Ab7-Aib-Phe-D-Pro- ).但是最終產(chǎn)物經(jīng)ESI-MS分析不是目標產(chǎn)物,故改用液相法合成目標化合物.
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Finally , cyclo ( - Ab 7 - Aib - Phe ( 2 - Me ) - D - Pro - ) is successfully prepared by using liquid phase peptide synthesis with Boc protection.
Boc -Ab7-Aib-Phe( 2-Me)-D-Pro-OBzl脫除兩端保護得到線性肽鏈經(jīng)過環(huán)化得到目標產(chǎn)物cyclo ( -Ab7-Aib-Phe ( 2-Me ) -D-Pro- ),收率0.8%.
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AC excited generator ( ACEG ) and cyclo converter are principal harmonic sources in ACEG systems.
交流勵磁 電機和交交變頻器是交流勵磁電機系統(tǒng)中最主要的兩個諧波源.
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Silazanes were divided into chain - silazane, cyclo - silazane and poly - silazane according to the material variety and synthesis method.
硅氮烷根據(jù)原料以及合成方法的不同可分為鏈 硅氮 烷、環(huán)硅氮烷、聚硅氮烷等.
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The feasibility of the new cyclo converter and its performancesteady state are validated by simulation.
通過仿真計算驗證了其反送功率至工頻系統(tǒng)可行性.
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According to the control characteristics of cyclo converter, paper proposes a new multi - CPU computer control system.
根據(jù)交-交變頻器的控制特性, 提出了較為新穎的多CPU計算機控制系統(tǒng)結(jié)構(gòu).
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