| 摘要 |
Benzoxazoles substituted in the 2-position with sulfhydryl or halogen and substituted in the 5- or 6-position with an acetic or propionic acid group or a salt or ester thereof or a nitrile convertible thereto useful as intermediates in the preparation of 5- or 6-Substituted benzoxazole propionic or acetic acid derivatives, substituted in the 2-position of the oxazole nucleus by a group of the formula AR4 wherein A is -CH2-, -CO-, -CHOR-, or -NR-, wherein R is hydrogen, C1-6 alkyl or C2-7 acyl, and R4 is optionally substituted phenyl, useful as non-steroidal, non-narcotic, analgesic, antipyretic and anti-inflammatory agents.
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