Ethyl phenyl acetylene (1-phenyl- 1-butyne) on reduction with partially deactivated palladised charcoal (Lindlar's catalyst) gives

Question

Ethyl phenyl acetylene (1-phenyl- 1-butyne) on reduction with partially deactivated palladised charcoal (Lindlar's catalyst) gives (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

Lindlar catalyst is partially deactivated catalyst composed of BaSO 4 coated with Pd poisoned with quinoline. It reduce (C ≡ C) to (C=C) bond, occurs via syn-addition and gives cisalkene.

Q. Ethyl phenyl acetylene (1-phenyl- 1-butyne) on reduction with partially deactivated palladised charcoal (Lindlar's catalyst) gives

Lindlar catalyst is partially deactivated catalyst composed of $B a S O_{4}$ coated with Pd poisoned with quinoline.
It reduce $(C \equiv C)$ to $(C = C)$ bond, occurs via syn-addition and gives cisalkene.

Q. Ethyl phenyl acetylene (1-phenyl- 1-butyne) on reduction with partially deactivated palladised charcoal (Lindlar's catalyst) gives

Lindlar catalyst is partially deactivated catalyst composed of BaSO4​ coated with Pd poisoned with quinoline. It reduce (C≡C) to (C=C) bond, occurs via syn-addition and gives cisalkene.

Lindlar catalyst is partially deactivated catalyst composed of $B a S O_{4}$ coated with Pd poisoned with quinoline.
It reduce $(C \equiv C)$ to $(C = C)$ bond, occurs via syn-addition and gives cisalkene.