英语翻译The traditional literature procedure developed by Richman-Atkins for the synthesis 1 involves the formation of tetra-N-tosylated cyclen from the macrocyclization of tris-N-tosyl diethylenetriamine with N-tosyldiethanolamine ditosylate.A v
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 19:19:03
![英语翻译The traditional literature procedure developed by Richman-Atkins for the synthesis 1 involves the formation of tetra-N-tosylated cyclen from the macrocyclization of tris-N-tosyl diethylenetriamine with N-tosyldiethanolamine ditosylate.A v](/uploads/image/z/14677933-13-3.jpg?t=%E8%8B%B1%E8%AF%AD%E7%BF%BB%E8%AF%91The+traditional+literature+procedure+developed+by+Richman-Atkins+for+the+synthesis+1+involves+the+formation+of+tetra-N-tosylated+cyclen+from+the+macrocyclization+of+tris-N-tosyl+diethylenetriamine+with+N-tosyldiethanolamine+ditosylate.A+v)
英语翻译The traditional literature procedure developed by Richman-Atkins for the synthesis 1 involves the formation of tetra-N-tosylated cyclen from the macrocyclization of tris-N-tosyl diethylenetriamine with N-tosyldiethanolamine ditosylate.A v
英语翻译
The traditional literature procedure developed by Richman-Atkins for the synthesis 1 involves the formation of tetra-N-tosylated cyclen from the macrocyclization of tris-N-tosyl diethylenetriamine with N-tosyldiethanolamine ditosylate.A variety of procedures for the detosylation have been reported such as treatment with concentrated H2SO4 and HBr/AcOH.Over the years,modifications of this process have been reported to help increase the efficiency of this technique.However,even with modifications,the use of N-tosylates makes for a very cumbersome process.
Their approach focused on conversion of TETA to a tricyclic bis-amidine (5) that underwent a double reductive ring expansion with DIBALH,yielding 1 in 57%.While this method clearly offers a significant and novel approach to 1,there remain some drawbacks when considering large-scale production.For instance,the procedure required the use of dithiooxamide,which leads to the generation of hydrogen sulfide and a timeconsuming reduction involving DIBALH.Typically,regardless of the synthetic process utilized,final isolation of 1 is achieved via precipitation from basic solution.
英语翻译The traditional literature procedure developed by Richman-Atkins for the synthesis 1 involves the formation of tetra-N-tosylated cyclen from the macrocyclization of tris-N-tosyl diethylenetriamine with N-tosyldiethanolamine ditosylate.A v
这种专业文章不是会英语就可以的,你想想一下学你这个专业的,英文---而且还是中英互译还是刚刚的,然后还闲得蛋疼跑到百度知道这种懒得不能再烂的平台上来,并且看到你发的这一大堆东西,然后又恰好有耐心和时间帮你翻译.这个几率是不是无限趋于零?
这种东西不花钱还求翻译,么么哒.