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Actually, the proton He appeared as a doublet due to a small meta-coupling (J = 2.4 Hz) at 7.11 ppm, while the proton He' also appeared as a doublet (J = 2.7 Hz) at 7.18 ppm
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Actually, the proton He appeared as a doublet due to a small meta-coupling (J = 2.4 Hz) at 7.11 ppm, while the proton He' also appeared as a doublet (J = 2.7 Hz) at 7.18 ppm.
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When we used N-allyl-N-benzoyl derivative as a substrate instead of N-tosyl-N-benzoyl derivative 1a, we could not obtain the products, presumably because the N-allylphenyl group is not a good leaving group as compared to the N-tosylphenyl moiety in the case of 1a. The reaction showed sluggish reactivity and much of the starting materials were decomposed to many intractable polar compounds
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When we used N-allyl-N-benzoyl derivative as a substrate instead of N-tosyl-N-benzoyl derivative 1a, we could not obtain the products, presumably because the N-allylphenyl group is not a good leaving group as compared to the N-tosylphenyl moiety in the case of 1a. The reaction showed sluggish reactivity and much of the starting materials were decomposed to many intractable polar compounds.
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