Question

predict products

o 0 NaBH4,420H فلم OCHZ 0 - H excess NH2NH2/H+ KOH/H2O/Heat ہ H

Answer 1

1.

Answer:

Sodium borohydride (NaBH4) is a mild reducing reagent that transforms aldehydes and ketones to the corresponding alcohol, primary or secondary, respectively. But it is not strong enough to convert carboxylic acids or esters to alcohols. OCH3 Н. H H Na NaBH4, CH3OH H H3C H O Na H OCH3 CH3OH OH H OCH3 Product

2.

Answer:

0 Н CH3 excess NH NH2, H KOH/H2O/Heat CH3 o H Product

Mechanism:

He OH HA NEMA H -p+H2M-NH2 -2H₂O LO+H₂N-NH₂ H N-NH 했 H Н H-OH Loon Huang Н I MIH H Hie N=N-H -2N2 EN-H H N=N-14 H OH H ento 60-H CH3 CH₃