Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 121-32-4, Name is Ethylvanillin, molecular formula is C9H10O3. In an article, author is Xu, Yewei,once mentioned of 121-32-4, Name: Ethylvanillin.
Sandwich-like Structure of Indole and Carbon Dioxide with Efficient CO2 Capture and Conversion
A hydroxyl-containing and aniline-functionalized indole-based microporous organic polymer (MOP) material poly(hydroxyl indole)-NH2 (PHOIN-NH2) has been successfully designed and synthesized. It was first proven that, due to the electron-rich benzene ring of the aniline group and the electron donor hydroxyl groups donating their electron density to the inner indole ring, the highly electron-rich pi indole plane can simultaneously attract two CO2 molecules via the double local dipole-pi interactions, thereby forming a CO2-indole-CO2 sandwich-like structure and endowing this microporous material with a remarkable CO2, adsorption capacity (33 wt %). In addition, due to the classical acid-base interaction between the aniline group in the PHOIN-NH2 aerogel and the CO2 molecule, the resulting material displays excellent gas selectivity (CO2/N-2 = 146, CO2/CH4 = 24). Moreover, the phenolic-OH groups in the PHOIN-NH2 aerogel provide an abundance of sites for anchoring Zn2+ via metal-coordination interactions for effective conversion of CO2 into propylene carbonate.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles