1-[4-(2-Benzyloxyethoxy)-phenyl]-1-(4-benzyloxyphenyl)-4-chloro-2-phenylbut-1-ene → 4-[(Z)-4-chloro-1-[4-(2-hydroxyethoxy)phenyl]-2-phenylbut-1-enyl]phenol

Participants

Reaction Steps

1-[4-(2-Benzyloxyethoxy)-phenyl]-1-(4-benzyloxyphenyl)-4-chloro-2-phenylbut-1-ene (1.0 g, 1.74 mmol) was debenzylated by the same method as Z-1-[4-(2-benzyloxyethoxy)-phenyl]-4-chloro-1,2-diphenyl-but-1-ene described in example 3. The residue was crystallised from the mixture of ethanol and water (1:1). Yield 0.3 g.

Provenance & Evidence