Studies on Synthesis of a Cycloheptapeptide and Effects of Different Metal Ions on the Cyclization
2002
周期的 heptapeptide, c (Gly-Ile-Pro-Tyr-Ile-Ala-Ala ) 从 Stellaria yumumensis 法语(M) 被孤立并且识别,被答案方法第一次综合。保护的 heptapeptide Z-Gly-Ile-Pro-Tyr-Ile-Ala-Ala-OBzl 与 3-(diethoxy-phosphoryloxy ) 被综合 -l,2,3-benzotriazin-4(3H)-one (DEPBT ) 作为 a coupling 试剂。在本甲基和 benzyloxycarbonyl 组的 deprotection 以后,免费线性 heptapeptide H-Gly-Ile-Pro-Tyr-Ile-Ala-Ala-OH 是在 DMF 的 cyclized ( 2 ?楤琭牥?畢祴??票牤硯批湥祺楬敤敮浡湩??????楌汁????ㄠ戭湩灡?票????????????┶?┴?????????????攠??┱?┹??吗????楤瑥票穬湩?????????????
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