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Benzimidazo oxazole derivs - prepd from 2-chlorobenzimidazoles and epoxy or halohydrin cpds., inhibitors for beta-lactamase
Benzimidazo oxazole derivs - prepd from 2-chlorobenzimidazoles and epoxy or halohydrin cpds., inhibitors for beta-lactamase
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机译:苯并咪唑恶唑衍生物-由2-氯苯并咪唑和环氧或卤代醇cpds制备,β-内酰胺酶抑制剂
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摘要
2H, 3H-Benzimidazo (1,2-b) oxazoles of formula (I) (where R and R1 to R4 are independently H, alkyl,aryl, (CH2)n-halogen, (CH2)n-COOR5, (CH2)n-CHO, (CH2)nCOR5, (CH2)n-N(R5)2, (CH2)n-OH, (CH2)n-NO2, (CH2)n-O-R5, (CH2)n-CON(R5)2, (CH2)n-CN or R5 is H, lower alkyl or aryl or N(R5)2 may form a 5- or 6-membered heterocyclic ring opt. contg. another heteroatom e.g. pyrrolidino, piperidino or morpholino, and n is 0,1,2 or 3). are beta-lactamase inhibitors and are used for this purpose in pharmaceutical compsn. e.g. with penicillins and cephalosporins.
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