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- IIT JAM
- Chemistry (CY)
What is the product?
what is the product?.....................................................
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Dinesh khalmaniya 1 Best Answer
In pinacol-pinacolone, to form a stable carbocation, generally, a methyl or a hydride shift occurs. But for this shift, the migratory group has to be in anti to the leaving group. In the taken compound, the methyl shift can't occur, as it is not in the anti position w.r.t the leaving group H2O. But a more stable carbocation is formed adjacent to the −OH group (like this, −C+H(Me) −OH), if the bond migration occurs, and due to this bond migration, a ring contraction occurs, and the product which is expected to form theoretically is also verified to be produced experimentally. A possible mechanism for this beautiful reaction is shown below.
sir...
Here CH3 group will migrate na? Because methyl group is in trans position
please check this
yes, correct👍👍👍 depends krta ge leaving group kis position pr he or uske anyi pr jo group he use hi migrate krna he... agar equilibrium possible he to phir product be change ho skta he