Question

in backmaan reaarangemnwt the migrating group is​

Answer 1

Answer:

The rearrangement occurs stereospecifically for ketoximes and N-chloro/N-fluoro imines, with the migrating group being anti-periplanar to the leaving group on the nitrogen. ... Certain conditions have been known to racemize the oxime geometry, leading to the formation of both regioisomers.