Saved Bookmarks
| 1. |
Predict the major product, when 2-methyl but-2-ene is converted into an alcohol in each of the following methods. (i) Acid catalysed hydration. (ii) Hydroboration (iii) Hydroxylation using Bayer's reagent. |
|
Answer» SOLUTION :(i) ACID catalysed hydration : `UNDERSET(("2- METHYL - but -2-ene"))(CH_3-underset(CH_3)underset(|)C-CH-CH_3)overset(H^+//H_2O)rarrCH_3-underset(("2- methyl - butan - 2- ol"))(underset(CH_3)underset(|)overset(OH)overset(|)C-CH_2-CH_3)` (ii) Hydroboration : `underset(("2- methyl - but -2-ene"))(6CH_3-underset(CH_3)underset(|)C=CH-CH_3+B_2H_6)rarr2((CH_3)_2CH-overset(CH_3)overset(|)(CH))_3B` `((CH_3)_2CH-overset(CH_3)overset(|)(CH))_3B+3H_2O_2overset(H^(o+))rarrunderset((3-"methyl - butane - 2- ol"))(3CH_3-overset(CH_3)overset(|)(CH)-overset(CH_3)overset(|)(CH)-OH+H_3BO_3)` (III) Hydroxylation using bayers reagent : `underset(("2 - methyl - but - 2 ene"))(CH_3-underset(CH_3)underset(|)C=CH-CH_3)underset((O))overset("Cold "KMnO_4//OH^(o+))rarrunderset(("2- methyl - butan 2,3-diol"))(3CH_3-underset(CH_3)underset(|)overset(OH)overset(|)C-overset(OH)overset(|)(CH)-CH_3)` |
|