Draw a curved-arrow mechanism for each of the rearrangement reactions given in Fig. P23.74. (a) PhCH,C-NHOCPh (b)
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Draw a curved-arrow mechanism for each of the rearrangement reactions given in Fig. P23.74.
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(a) PhCH,C-NH–O–C–Ph (b) Z N-Br+ KOH H₂N-C-CH₂CH₂-C-N3 Figure P23.74 KH -H₂ H₂O+ heat ZI heat benzene H HẸN–CH,CH,—CO,H + CO, ΝΗ KOH H₂O -CO₂ + N₂ || PhCH,NH, + Ph—C-O- K*
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