Provided are novel 2-fluorophenyl propionic acid derivatives which have excellent anti-inflammatory/analgesic effects while avoiding side effects such as gastrointestinal disorders, namely 2-fluorophenyl propionic acid derivatives represented by the formula (I) below or pharmaceutically acceptable salts thereof,
[wherein, R1 represents a hydrogen atom, a halogen atom, or a substituted or unsubstituted phenyl group, X represents —CH2—, —NH—, —O—, or —S—, and Y specifically represents group (II)
(wherein, Z1 represents —CO—, —CH(OH)—, or —CH2—, and n represents an integer of 1 or 2.)]
Provided are novel 2-fluorophenyl propionic acid derivatives which have excellent anti-inflammatory/analgesic effects while avoiding side effects such as gastrointestinal disorders, namely 2-fluorophenyl propionic acid derivatives represented by the formula (I) below or pharmaceutically acceptable salts thereof,
[wherein, R
1
represents a hydrogen atom, a halogen atom, or a substituted or unsubstituted phenyl group, X represents —CH
2
—, —NH—, —O—, or —S—, and Y specifically represents group (II)
(wherein, Z
1
represents —CO—, —CH(OH)—, or —CH
2
—, and n represents an integer of 1 or 2.)]