Realized a number of chemical conversions of formyl derivatives tetraphenylporphyrine, including dimerization under the action of low valency titanium, formation vinyl derivative by Wittig reaction, as well as intramolecular cyclization with formation izomeric verdins. By means of radical nitration was obtained nitroheterylporphyrins, which are subjected reactions of vicarious nucleophylic substitution a hydrogen with formation 2,3-disubstituted derivatives. Earlier unknown derivatives named porphyrins was obtained and significantly improved methods of syntheses of known compounds.
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