Asymmetric Synthesis of 4,4-Disubstituted-2-Imidazoli-dinones: Potent NK1 Antagonists
摘要:
A highly efficient and practical synthesis of 4,4-Disubstituted-2-Imidazolidinones utilizing a "self-reproduction of the center of chirality" strategy is described.
Asymmetric Synthesis of 4,4-Disubstituted-2-Imidazoli-dinones: Potent NK1 Antagonists
摘要:
A highly efficient and practical synthesis of 4,4-Disubstituted-2-Imidazolidinones utilizing a "self-reproduction of the center of chirality" strategy is described.
A NK
1
antagonist having the formula (I),
wherein Ar
1
and Ar
2
are optionally substituted phenyl or heteroaryl, X
1
is an ether, thio or imino linkage, R
4
and R
5
are not both H or alkyl, and the remaining variables are as defined in the specification, useful for treating a number of disorders, including emesis, depression, anxiety and cough. Pharmaceutical compositions. Methods of treatment and combinations with other agents are also disclosed.