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Triazine‐Based Porous Organic Polymer with Good CO 2 Gas Adsorption Properties and an Efficient Organocatalyst for the One‐Pot Multicomponent Condensation Reaction
Author(s) -
Bhanja Piyali,
Chatterjee Sauvik,
Bhaumik Asim
Publication year - 2016
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201600840
Subject(s) - divinylbenzene , chemistry , thermogravimetric analysis , polymer chemistry , azobisisobutyronitrile , malononitrile , polymer , thermal stability , magic angle spinning , polymerization , catalysis , styrene , organic chemistry , nuclear magnetic resonance spectroscopy , copolymer
A new porous organic polymer PDVBTT‐1 (poly‐divinylbenzene‐co‐triallyloxytriazine) has been synthesized through radical co‐polymerization utilizing two monomers, that is, divinylbenzene and 2,4,6‐triallyloxy‐1,3,5‐triazine in the presence of AIBN (azobisisobutyronitrile) as a radical initiator under solvothermal conditions in the absence of any structure directing agent. The polymer has been characterized thoroughly by N 2 sorption, FTIR, UV/Vis, and solid‐state 13 C cross‐polarization magic angle spinning (CP MAS) NMR spectroscopy, field emission FE‐SEM, high‐resolution HR‐TEM, and thermogravimetric/differential thermal analysis (TG/DTA). Owing to the considerably good surface area of 644 m 2 g −1 and surface basic sites (1.10 mmol g −1 ), the material showed very good CO 2 adsorption properties. Furthermore, the porous polymer showed good catalytic activity in the base‐catalyzed, one‐pot, multicomponent condensation reaction between various substituted aromatic aldehydes, malononitrile, and activated phenols such as 2‐naphthol, resorcinol, etc., for the synthesis of 2‐amino‐chromenes in water and under solvent‐free microwave irradiation conditions. This N‐rich porous polymer is highly recyclable and thus it has potential for a wide range of base‐catalyzed organic transformations in the future.