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You first must add on a carbon....lets do it.... One could do this by the Grignard.......but I am going to show you a more cleaver way !!!!!!! Treat propanal with K2Cr2O7 , and H3O+.....to get the carboxy acid.....then treat it with SOCl2.......you now have propanoyl chloride. Now,,,,,,for the master move.....treat with ( CH3)2CuLi in ether. .....then reduce with NaBH4 in methanol.....and you got it. Dr. Jim Romano CEO Orgoman.com NYU Class of 1991

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11y ago
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Q: How will you obtain butan-2-ol from propanal?
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