Three open crown ethers were synthesized for the first time by using parathesin as the terminal group.They were characterized by IR, 1HNMR ,MS and EA.
以对氨酸乙酯为端合成了3种酰胺型开链冠醚,并通过IR、~1HNMR、MS和元素析确证了它们的结构。
Three open crown ethers were synthesized for the first time by using parathesin as the terminal group.They were characterized by IR, 1HNMR ,MS and EA.
以对氨酸乙酯为端合成了3种酰胺型开链冠醚,并通过IR、~1HNMR、MS和元素析确证了它们的结构。
声明:以上例句、词性类均由互联自动生成,部未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。