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BACKGROUND The aim of this study was to investigate the efficacy and safety of gemcitabine and S-1 combination chemotherapy in patients with advanced biliary tract cancer. PATIENTS AND METHODS A retrospective study was performed on 15 consecutive patients. Gemcitabine was administered intravenously at 1,000 mg/m(2) on days 8 and 15. Oral S-1 (60 mg/m(2)(More)
The gold-catalyzed, seven-membered ring forming, intramolecular hydroamination of alkynic sulfonamides has been investigated. The protocol, with a semihollow-shaped triethynylphosphine as a ligand for gold, allowed the synthesis of a variety of azepine derivatives, which are difficult to access by other methods. Both alkynic sulfoamides with a flexible(More)
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