A compound having the formula (I) shown below
wherein R
1
is a substituted phenyl, R
2
is a phenyl substituted with halogen atoms, R
3
is a substituted phenyl, D is an oxygen or a methylene, and n is 0 or 1. The compound is a synthetic intermediate for a neurokinin receptor antagonist.
[Subject]
To provide compounds useful as synthetic intermediates in the preparation of neurokinin receptor antagonists.
[Means to solve the subject]
A compound having the general formula (I) shown below,
(R1: a substituted phenyl, R2: a phenyl substituted with halogen atoms, R3: a substituted phenyl, D: an oxygen or a methylene, n: 0 or 1).