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Company Website4,4′-Oxydianiline is a flexible diamine and has been used to tailor the properties of octa(aminophenyl)-silsesquioxane cross-linked polyimide aerogels. It was also used in the preparation of novel polyimide hybrid nanocomposite containing polyhedral oligomeric silsesquioxane.
More Information Supplier Page4,4′-Trimethylenedipyridine undergoes Willgerodt-Kindler reaction by on pot- polycondensation with dialdehydes in the presence of sulphur to form polythioamides.
More Information Supplier Page4,5-Diamino-6-hydroxy-2-mercaptopyrimidine hemisulfate salt hydrate is a pyrimidine derivative. IR spectral investigations of 4,5-diamino-6-hydroxy-2-mercaptopyrimidine have been reported.
More Information Supplier Page4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene is a heterocyclic building block.
More Information Supplier PageThe solid phase FT-IR and FT-Raman spectra of 4,5-dichloro-3-hydroxypyridazine was studied.
More Information Supplier Page4,5-Dichlorophthalimide (5,6-dichloro-1H-isoindole-1,3(2H)-dione) is a phthalimide derivative. It has been synthesized from 5,6-dichloro-1,3-isobenzofurandione and characterized by 1H ,13C-NMR and IR. The dipole moment, polarizability and first-order hyperpolarizability of 4,5-dichlorophthalimide have been investigated using ab initio and density functional theory calculations.
More Information Supplier Page4,5-Dichlorophthalonitrile (4,5-dichloro-1,2-dicyanobenzene) is a phthalonitrile derivative. It has been synthesized from 4,5-dichloro-1,2-benzenedicarboxamide and characterized by 1H ,13C-NMR and IR. 4,5-dichlorophthalonitrile undergoes base catalyzed nucleophilic aromatic substitution reaction with O-, S- nucleophiles and acidic -CH containing compounds to form corresponding phthalonitrile derivatives, which are the precursors in the synthesis of phthalocyanines.
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