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- W2951330452 abstract "3-Phenyl-2-(1-H-pyrrol-1-yl) propanoic acid has been used as a ketene source in synthesizing of monocyclic-2-azetidinones. Hindrance in ketene and imines successfully controlled the diastereoselectivity of the reaction. For example, in some cases only one isomer was achieved. By using Mukaiyama reagent, the leaving group in acid was activated and the by-products were separated by simple aqueous work-up. DFT calculation indicated that the benzyl-N-pyrrolylketene has nonconjugated structure and the pyrrolyl ring is perpendicular to the ketene plane in both the twisted and planar structures." @default.
- W2951330452 created "2019-06-27" @default.
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- W2951330452 date "2016-05-01" @default.
- W2951330452 modified "2023-09-27" @default.
- W2951330452 title "ChemInform Abstract: Experimental and Theoretical Investigation of Benzyl-N-pyrrolylketene, One-Step Procedure for Preparing of New β-Lactams by [2 + 2] Cycloaddition Reaction." @default.
- W2951330452 cites W2261017884 @default.
- W2951330452 doi "https://doi.org/10.1002/chin.201622113" @default.
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