Abstract
A one-step synthesis of azetidin-3-ones by intramolecular cyclization of 1-diazo-3-arenesulfamoylalkan-2-ones was developed. The yield of cyclic product increases to 70% in the presence of an alkyl or benzyl substituent in the hydrocarbon chain of the diazoketone. The structure of N-tosyl-2-ethylazetidin-3-one was studied by x-ray diffraction analysis and it was shown that the four-membered ring has 15‡ inflection.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 468–473, April, 1987.
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Aliev, Z.G., Atovmyan, L.O., Sipyagin, A.M. et al. Synthesis of azetidin-3-ones. Structure of N-tosyl-2-ethylazetidin-3-one. Chem Heterocycl Compd 23, 390–395 (1987). https://doi.org/10.1007/BF00546731
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DOI: https://doi.org/10.1007/BF00546731