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혈장내 Pentoxifylline과 Metabolite(I)의 HPLC에 의한 분석
민병선,정세영,노영수,윤병호,임수한,Min, Byeong-Sun,Choung, Se-Young,Rho, Young-Soo,Youn, Byoung-Ho,Lim, Soo-Han 대한약학회 1988 약학회지 Vol.32 No.6
A rapid and simple method for the determination of pentoxifylline and its major metabolite, metabolte(I) in plasma was examined by HPLC. For the purification and enrichment of drug from plasma, solid-phase extraction was examined using Sep-pak C18 cartridge. The effectiveness of test method was proved by monitoring of the rat after oral administration of pentoxifylline in a dose of 40mg/kg.
아지드기로 양말단 변성된 저분자량 Glycidyl Azide Polymer의 합성
민병선,Min Byoung-Sun 한국군사과학기술학회 2005 한국군사과학기술학회지 Vol.8 No.1
A synthesis of azide-terminated glycidyl azide polymer, GAP-A, was carried out by tosylation and azidation of polyepichlorohydrin(PECH) prepared by cationic ring-opening polymerization. Polyepichlorohydrin was prepared by cationic activated monomer polymerization using ethylene glycol and $BF_3{\cdot}OEt_2$ as an initiator and a catalyst at $\~10^{\circ}C$. Tosylation of polyepichlorohydrin was performed using traditional TsCl/pyridine method and was also carried out using TsCl/amine catalysts to reduce the reaction time significantly. Azidation of tosyl-terminated PECH(OTs-PECH) was performed using $NaN_3$ as an azidation reagent in DMF solvent at high temperature and was unexpectedly completed within 2 hours.