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0043230681
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References 2d and 2f.
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For leading references to other studies with α-diazo-α-phenylsulfonyl compounds, see: (a) References 2d and 2f.
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23
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0008256092
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37049070734
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27
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0043230680
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note
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3CN
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-
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28
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0043230679
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note
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The stereochemistry of 4-substituted-3-phenylsulfonyl-2-pyrrolidinone derivatives was assigned by the coupling constant between C3 and C4 protons, which of the trans γ-lactam fell in the range of 1.0-3.0 Hz.
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29
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0041728116
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note
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4 90 30 70
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31
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0000593386
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32
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0042228525
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1H NMR analysis of β-lactam 8. The cis and trans isomers were assigned by the comparison of the coupling constant C3-C4. See: (a) Barrow, K. D.; Spotswood, T. M. Tetrahedron Lett. 1988, 29, 2283.
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32744474936
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0025073109
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39
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0042228526
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note
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References 2b and 2e. A typical example is shown below. (Matrix Presented)
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