The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Carbon-13, nitrogen-15m, and oxygen-17 NMR chemical shifts of substituted 1-phenyl-2-pyrrolidinones, the main research direction is NMR phenylpyrrolidinone derivative.Name: 1-(4-Chlorophenyl)pyrrolidin-2-one.
The C-13 and N-15 NMR chem. shifts and the direct C-proton coupling constants of 1-phenyl-2-pyrrolidinone and its 2′-Me,3′-Me,4′-Me,2′-chloro,3′-chloro,4′-chloro,3′-methoxy,4′-methoxy and 4′-nitro derivatives were measured in di-Me sulfoxidde. The O-17 NMR chem. shifts of some of the compounds were determined in acetone. The effect of substituents on the chem. shifts of carbonyl carbons correlates well with the Hammett substituent parameters and the N chem. shifts seem to follow a similar trend. The variation of the O chem. shift due to the substituents is small. The chem. shifts of aromatic carbons can mainly be derived using the substituent parameters of benzene, some deviation probably due to steric effects is observable, however.
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