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含苯并咪唑环二酰肼衍生物的合成与结构表征

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2013-07-01

Journal: 有机化学

Included Journals: Scopus、CSCD、ISTIC、PKU、SCIE

Volume: 33

Issue: 7

Page Number: 1551-1558

ISSN: 0253-2786

Key Words: 二酰肼;合成;表征

Abstract: 以酚和氯乙酸为初始原料,经一系列反应,合成出了10个新型的含苯并咪唑环二酰肼衍生物7a~7j.利用1HNMR,13C NMR,2D NMR(包括HMBC,HSQC,1H-1H COSY和NOESY)和变温1H NMR技术对代表化合物7c进行了1H和13C NMR谱归属并确定了其空间结构,证明了其在室温及DMSO中存在着A和B两种互变异构体,并且A异构体占优势(87.65%).据此,对其它目标化合物的1H NMR也进行了归属,A异构体含量为80.55%~89.90%.

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