In view of the importance of β-lactams in the pharmaceutic research field, a series of pyrazoloderi-(vatives) of monocyclic β-lactams 2a2h was prepared from the schiff base 1a1h reactions with phthalo-(ylglycyl)...In view of the importance of β-lactams in the pharmaceutic research field, a series of pyrazoloderi-(vatives) of monocyclic β-lactams 2a2h was prepared from the schiff base 1a1h reactions with phthalo-(ylglycyl) chloride in the presence of triethylamine via \ cycloaddition.The structures and configurations of the(prepared) new monocyclic β-lactams were confirmed by 1H NMR,1H-1H COSY,NOESY,HMBC,HMQC methods.At 7585 ℃,compounds 2a2h were obtained in yields of 19%50% respectively.展开更多
文摘In view of the importance of β-lactams in the pharmaceutic research field, a series of pyrazoloderi-(vatives) of monocyclic β-lactams 2a2h was prepared from the schiff base 1a1h reactions with phthalo-(ylglycyl) chloride in the presence of triethylamine via \ cycloaddition.The structures and configurations of the(prepared) new monocyclic β-lactams were confirmed by 1H NMR,1H-1H COSY,NOESY,HMBC,HMQC methods.At 7585 ℃,compounds 2a2h were obtained in yields of 19%50% respectively.