Chemistry of Heterocyclic Compounds p. 390 - 395 (1987)
Update date:2022-08-02
Topics:
Aliev, Z. G.
Atovmyan, L. O.
Sipyagin, A. M.
Kartsev, V. G.
Dobrokhotova, O. V.
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 70percent 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 deg inflection.
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