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How would you do the following conversions in not more than two steps? (a) Propanone to Propene (b) Propanal to Butanone ( c) Ethanol to 3-Hydroxybutanal (d) Benzaldehyde to Benzophenone (e) Benzaldehyde to alpha-Hydroxyphenylacetic acid (f) Benzaldehyde to 3-Phenylpropan-1-ol |
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Answer» Solution :(a) `CH_(3)COCH_(3)overset(LiAlH_(4))toCH_(3)overset(OH)overset(|)CH-CH_(3)overset(H^(+),453K)toCH_(3)CH=CH_(2)` (b) `CH_(3)CH_(2)CHOoverset(CH_(3)MGBR)underset(H_(3)O^(+))toCH_(3)-CH_(2)-overset(OH)overset(|)CH-CH_(3)overset(K_(2)Cr_(2)O_(7)//H^(+))toCH_(3)CH_(2)overset(O)overset(||)C-CH_(3)` ( c) `CH_(3)CH_(2)OHoverset([O])tounderset("2 MOLES")(CH_(3)CHO)overset(OH^(-))underset("ALDOL condensation")toCH_(3)-overset(OH)overset(|)CH-CH_(2)CHO` 
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