1.

Propanenitrilereactswith Ato giveB . ThecompoundB onadditionof HCNgives C .ThecompoundC onreductiongive 1-Amino-2- ethyl-4-methyl -2- pentanolwhich of thefollowis A gt

Answer»

`(CH_(3))_(3)CCH_(2) MgX`
`(CH_(3) )_(2) CHCH_(2) MgX`
`C_(2) H_(5) MgX`
`CH_(3) CH_(2) CH_(2) MgX`

SOLUTION :`CH_(3)CH_(2) CN + (CH_(3)) _(2) CHCH_(2)MgX to`
`(A)`
`CH_(3) CH_(2) C= Ooverset(HCN) (to)CH_(3) CH_(2) - overset(OH) overset(|)underset(CH_(2) CH (CH_(3))_(2))(C )- CH`
`overset("reduction") (to)CH_(3) CH_(2)- overset( OH) overset(|)underset( CH_(2)) CH(CH_(3))_(2) overset(|) (C ) - CH_(2) NH_(2)`
`1-` amino-2-ethyl -4-methyl-2-pentanol


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