Chakrabortty, Pekham; Biswas, Surajit; Das, Anjan; Dolai, Malay; Islam, Sk Manirul published the artcile< Diformylphloroglucinol derived imine based covalent organic frameworks (PHTA) as efficient organocatalyst for conversion of isocyanates to urea derivatives>, Recommanded Product: 2,4,6-Trihydroxyisophthalaldehyde, the main research area is diformylphloroglucinol covalent organic framework preparation surface structure; aryl isocyanate organocatalyst dimerization; diaryl urea preparation.
New two-dimensional porous covalent organic frameworks (PHTA) with imine linkers was synthesized and effectively utilized as metal free catalytic system for the synthesis of urea derivatives from a wide range of isocyanates under inert atm. The material has been thoroughly characterized using powder XRD, HRTEM, FESEM, BET, FT-IR, XPS and a structure-activity relationship was established. The imine based covalent organic framework owing to its highly conjugated system permits superior conduction efficiency of carriers, thereby exhibiting better performance and exceptional reusability and selectivity (> 99%) towards generation of urea derivatives from the corresponding isocyanates. At room temperature the solvent free catalytic process under nitrogen atm. requires short range of reaction duration (2 h) to produce high yields (84-96%) of urea derivatives from resp. isocyanates. The catalytic route of urea synthesis in presence of organocatalyst PHTA was suitably described by theor. calculations (DFT) method. The heterogeneity and recyclability nature of the catalyst was checked for five cycles and the obtained result portrayed its good catalytic effectiveness.
Molecular Catalysis published new progress about Binding energy. 4396-13-8 belongs to class alcohols-buliding-blocks, and the molecular formula is C8H6O5, Recommanded Product: 2,4,6-Trihydroxyisophthalaldehyde.
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts