| 摘要 |
The penicillin derivs. I (R1=substituted azacyclealkylor azabicycloalkyl; R2=H, lower alkyl, aryl, aralyl; A=β-lactam ring contg. compd.) were prepd. Thus, chloromethyl 6-≮(hexhydro- 1H -azepin-1-yl)methylene amino≉penicillanate was treated with potassium penicillanate 1,1-dioxide followed by redn. to give the 1,1-dioxopenicillanoyloxymethyl 6-≮(hexaydro-1H-azepin-1-y1)-methylene amino≉penicillanate hydrochloride. |
