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Dang QQ, Zhan YF, Wang XM, et al. Heptazine-Based Porous Framework for Selective CO2 Sorption and Organocatalytic Performances. ACS Appl Mater Interfaces. 2015;7(51):28452-8doi: 10.1021/acsami.5b09441.
Dang, Q. Q., Zhan, Y. F., Wang, X. M., & Zhang, X. M. (2015). Heptazine-Based Porous Framework for Selective CO2 Sorption and Organocatalytic Performances. ACS applied materials & interfaces, 7(51), 28452-8. https://doi.org/10.1021/acsami.5b09441
Dang, Qin-Qin, et al. "Heptazine-Based Porous Framework for Selective CO2 Sorption and Organocatalytic Performances." ACS applied materials & interfaces vol. 7,51 (2015): 28452-8. doi: https://doi.org/10.1021/acsami.5b09441
Dang QQ, Zhan YF, Wang XM, Zhang XM. Heptazine-Based Porous Framework for Selective CO2 Sorption and Organocatalytic Performances. ACS Appl Mater Interfaces. 2015 Dec 30;7(51):28452-8. doi: 10.1021/acsami.5b09441. Epub 2015 Dec 18. PMID: 26641732.
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ACS Appl Mater Interfaces. 2015 Dec 30;7(51):28452-8. doi: 10.1021/acsami.5b09441. Epub 2015 Dec 18.

Heptazine-Based Porous Framework for Selective CO2 Sorption and Organocatalytic Performances.

ACS applied materials & interfaces

Qin-Qin Dang, Yu-Fen Zhan, Xiao-Min Wang, Xian-Ming Zhang

Affiliations

  1. School of Chemistry and Material Science, Shanxi Normal University , Linfen, Shanxi 041004, China.

PMID: 26641732 DOI: 10.1021/acsami.5b09441

Abstract

A new heptazine-based polymer network (Cy-pip) with highly rich nitrogen sites has been synthesized via catalyst-free direct coupling of cyameluric chloride (Cy) and piperazine (Pip). Cy-pip exhibits large CO2 uptake capacity (103.4 mg/g, 9.4 wt %, 1 bar/273 K) with high selectivity (117) toward CO2 over N2. Furthermore, this framework with high Lewis basic nitrogen sites has also been exploited as heterogeneous catalyst for Knoevenagel reaction of aromatic and heterocyclic aldehydes with active methylene compounds. Moreover, the catalyst can recycle up to four times with only a minor loss of activity.

Keywords: CO2 adsorption; Knoevenagel condensation; catalysis; heptazine; piperazine

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