Alkaline hydrolysis of 1-aryl-3,3-diphenyl-4-(pyrrol-2-yl)azetidin-2-ones results in an unusual dualpath fragmentation of the β-lactam ring to give diphenylacetic acid, 2-iminomethylpyrroles, arylamines, and 1,1-diphenyl-2-(pyrrol-2-yl)ethylene. The product distribution is shown to be dependent on temperature.
A. K. Upadhyaya and K. N. Mehrotra, J. Chem. Soc., Perkin Trans. 2, 1988, 957 DOI: 10.1039/P29880000957
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