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The format ion of N-oxonitrenium ion B, instead of N -acylnitrenium ion C, is based on the fact that the presented process can be extended to certain alkyl amides (Table 1, entry 16), and the nitrenium ion in B can be stabilized by its adjacent oxygen atom.
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(31) The format ion of N-oxonitrenium ion B, instead of N -acylnitrenium ion C, is based on the fact that the presented process can be extended to certain alkyl amides (Table 1, entry 16), and the nitrenium ion in B can be stabilized by its adjacent oxygen atom.
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