propenal sentence in Hindi

Examples

1. Examples of unsaturated carbonyls are acrolein ( propenal ), mesityl oxide, acrylic acid, and maleic acid.
2. Fern�ndez and Frenking reported that the methyl, hydroxyl, and amino substituents resulted in a decrease in ?E pi from the parent 2-propenal.
3. A computational study at the B3LYP / 6-31G ( d ) level has shown, however, that the transition state of the BF 3-catalyzed Diels-Alder reaction between propenal and 1, 3-butadiene is more asynchronous than that of the thermal reaction  the bond further from the carbonyl group is formed ahead of the other bond.