In 2017,Suzuki, Ryuichiro; Kan, Shu; Sugita, Yoshiaki; Shirataki, Yoshiaki published 《p-coumaroyl malate derivatives of the Pandanus amaryllifolius leaf and their isomerization》.Chemical & Pharmaceutical Bulletin published the findings.Quality Control of tert-Butyl N,N’-diisopropylcarbamimidate The information in the text is summarized as follows:
A novel p-coumaroyl di-Me malate (1) was isolated from the Pandanus amaryllifolius leaf in addition to three known analogs of p-cournaroyI di-Me mutate (2-4), and their structures were elucidated by analy- sis of the spectroscopic data. The p-coumaroyl malate derivatives were isolated as a mixture of E and Z iso- mers. To determine the cause of isomerization, the p-coumaroyl malate isolated in this study was synthesized. We concluded that the Z isomer might be an artifact generated from the E isomer through purification steps. In the experiment, the researchers used many compounds, for example, tert-Butyl N,N’-diisopropylcarbamimidate(cas: 71432-55-8Quality Control of tert-Butyl N,N’-diisopropylcarbamimidate)
tert-Butyl N,N’-diisopropylcarbamimidate(cas: 71432-55-8) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.Quality Control of tert-Butyl N,N’-diisopropylcarbamimidate
Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics