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Octamethylporphyrin was readily obtained from ethyl 3,4,5-trimethylpyrrole-2-carboxylate. Steric control can be overridden by apparent electronic effect is demonstrated by the even bulkier pyrrole derivative, ethyl 3,4,5-trimethylpyrrole-2-carboxylate. The reaction with diazonium salts of theEthyl 3,4,5-trimethylpyrrole-2-carboxylatehas been examined in detail by chromatographic and spectroscopic methods. In the presence of a strong mineral acid, Ethyl 3,4,5-trimethylpyrrole-2-carboxylate reacts with p-nitrobenzenediazonium ions to give a red, chemically labile, azo dye.
Anita L. Arduini,; Norman M. Edelstein,; Jackie D. Jamerson,; John G. Reynolds,; Klaus. Schmid,; Josef. Takats. Syntheses and characterization of (.eta.5-C5H5)2U(NR2)2 compounds. Inorg. Chem., 1981, 20 (8), 2470-2474.
S. Ramalingama,; S. Periandyb,; B. Narayananb,; S. Mohanc. FTIR and FTRaman spectroscopic investigation of 2-bromo-4-methylaniline using ab initio HF and DFT calculations. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2010, 76 (1), 84-92.
Dichiarazioni precauzionali: P260-P201-P280-P304+P340-P405-P501a
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