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近十几年来,N原子上带有保护基团的α,β脱氢氨基酸及其衍生物的新的合成方法,由于发现这类化合物存在于微生物、低等植物和海生动物体中而具有重要意义。另
In recent decades, new synthetic methods of α, β-dehydroamino acids and their derivatives with protecting groups on N atom have been found to be important due to the discovery of such compounds in microorganisms, lower plants and marine animals significance. another