Aroylnitrile oxide cyclizations. 2. Synthesis of (3-aroylisoxazol-5-yl)alkanoic acids
作者:John J. Tegeler、Craig J. Diamond
DOI:10.1002/jhet.5570240331
日期:1987.5
Intermolecular cyclization of 1,3-dipolar aroylnitrileoxides to terminal alkynols followed by phase transfer catalyzed oxidation provided a short, convenient route to several novel (3-aroylisoxazol-5-yl)alkanoicacids.
(Isoxazol-3-yl)arylmethanones, a process for their preparation and their use as medicaments
申请人:——
公开号:EP0189771A3
公开(公告)日:1986-10-08
There are disclosed novel compounds having the
formula where each X is independently hydrogen, halogen - (F, Cl, Br or I), loweralkyl or loweralkoxy; m is 1 or 2; R' is hydrogen or loweralkyl; and R is
t, 2 or 3, each of R, and R2 being independently hydrogen or loweralkyl and R3 beingan optical antipode thereof or a pharmaceutically acceptable acid addition salt thereof, which are useful as antihypertensive, analgesic and antiinflammatory agents, methods for synthesizing them, and pharmaceutical compositions comprising an effective amount of such a compound.