1.

Complete each synthesis by giving the missing starting material, reagent, or products. i. ii. iii. C_(6)H_(5)CHO overset(H_(2)NCONHNH_(2))rarr iv. v. vi. vii. C_(6)H_(5)CHO+CH_(3)CH_(2)CHO overset(Dil.NaOH)rarr viii. CH_(3)COCH_(2)COOC_(2)H_(5)overset((i)NaBH_(4))underset((ii)H^(+))rarr ix. x. xi.

Answer»

SOLUTION :i.
ii.
III. `C_(6)H_(5)CH==N NHCONH_(2)` (Benzaldehyde semicarbazone). More nucleophilic centre

iv.
v. Aldehyde is oxidised to `(COO^(Θ))` bt Tollens REAGENT.

vi.
vii. It is an example of Claisen-Schmidt reaction.


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