Write one chemical reaction each to illustrate the following:
i) Reimer–Tiemann reaction
ii) Williamson's synthesis
i) Reimer–Tiemann reaction
ii) Williamson's synthesis
Answer: (i) Phenol + CHCl₃/NaOH → salicylaldehyde. (ii) RONa + R'X → ROR' (e.g. C₂H₅ONa + CH₃I → C₂H₅OCH₃).
Solution
(i)
(ii)
(alkoxide + alkyl halide, an S2 route to ethers — use a 1° halide).
(ii)
(alkoxide + alkyl halide, an S2 route to ethers — use a 1° halide).
CBSE Class 12 Board · 2008 · Foreign · Subjective