Abstract
In the microbiological transformation of 4-phenylpyrrolidine by growing strains of the fungi Cunninghamella,Beauveria, andPenicillium, its 1-ethyl and 1-acetyl derivatives are formed; these are subsequently oxidized at positions 2 and 3. In contrast, 1-benzoyl-4-phenylpyrrolidine is hydroxylated by those same cultures in positions 3 and 5. For the corresponding 2-pyrrolidone derivatives, the 4-phenyl-2-pyrrolidone is not transformed by these fungi, while the 1-benzoyl-2-pyrrolidone is hydrolyzed at the benzamide group under the same conditions. The structures of the products from these transformations were determined by mass spectrometry.
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Chemistry Department, M. V. Lomonosov Moscow State University, Moscow 199899. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 607–610, May, 1997.
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Parshikov, I.A., Terent'ev, P.B., Piskunkova, N.F. et al. Microbiological transformation of derivatives of 4-phenyl-2-pyrrolidone by mycelial fungi. Chem Heterocycl Compd 33, 523–526 (1997). https://doi.org/10.1007/BF02291932
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DOI: https://doi.org/10.1007/BF02291932