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Inne
L-proline catalyzed reaction of N-confused porphyrin and active methylene compounds.
Autorzy
Rok wydania
2013
Czasopismo
Organic and Biomolecular Chemistry
Numer woluminu
11
Strony
4831-4839
DOI
10.1039/c3ob40754c
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Active methylene compounds such as acetone, butanone, cyclopentanone, nitromethane, malononitrile, ethyl 2-cyanoacetate, diethyl malonate, and ethyl acetylacetate react with the C3 position of N-confused porphyrin in the presence of L-proline in refluxing THF–EtOH affording a variety of N-confused porphyrin derivatives in moderate yield. L-Proline catalyzes the reaction facilitating the formation of the carbanion derived from an active methylene compound simultaneously delivering protons to the N-confused porphyrin. Both processes are key factors of this reaction.
Adres publiczny
http://dx.doi.org/10.1039/c3ob40754c