| 摘要 |
Disclosed is a process for producing a pyrazole carboxylic acid derivative which is useful as a significant intermediate of an 11²HSD-1 inhibitor. A compound represented by the Formula (XI):
is useful as a significant intermediate of an 11²HSD-1 inhibitor,
wherein R 1 and R 2 are each independently hydrogen or substituted or unsubstituted alkyl, R 3 is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted heterocyclyl and R 4 is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted heterocyclyl. |
