Indenyl hydroxamic acids and hydroxy ureas as inhibitors of
申请人:Merck Frosst Canada, Inc.
公开号:US05093356A1
公开(公告)日:1992-03-03
Compounds having the formula I: ##STR1## are inhibitors of the 5-lipoxygenase enzyme. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, angina, platelet aggregation, cerebral spasm, premature labor, spontaneous abortion, dysmenorrhea, and migraine.
Alcohols and aldehydes are oxidised to the corresponding methyl esters by reaction with methanol in the presence of crotononitrile as a hydrogen acceptor using a catalyst combination of Ru(PPh3)3(CO)H2 with xantphos. alcohols - esters - ruthenium - catalysis - hydrogen transfer
AZAINDOLE DERIVATIVES AS CRTH2 RECEPTOR ANTAGONISTS
申请人:Leblanc Yves
公开号:US20110178115A1
公开(公告)日:2011-07-21
Compounds of formula I are antagonists of the PGD2 receptor, CRTH2, and as such are useful in the treatment and/or prevention of CRTH2-mediated diseases such as asthma.