反应详情

Ethyl 7-(t-butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-5-amino-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3carboxylate (105 mg) was similarly treated using 0.5 ml of concentrated hydrochloric acid and 2 ml of acetic acid, whereby 38 mg of the title product was obtained.