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Jeong, Lak Shin,Shantanu Pal,Choe, Seung Ah,Choi, Won Jun,Kenneth A. Jacobson,Zhan-Guo Gao,Athena M. Klutz,Xiyan Hou,Kim, Hea Ok,Lee, Hyuk Woo,Lee, Sang Kook,Dilip K. Tosh,Moon, Hyung Ryong 이화여자대학교 약학연구소 2009 藥學硏究論文集 Vol.- No.19
Novel D- and L-4´-thioadenosine derivatives lacking the 4´-hydroxymethyl moiety were synthesized, starting from D-mannose and D-gulonic γ-lactone, respectively, as potent and selective species-independent A₃ adenosine receptor (AR) antagonists. Among the novel 4´-truncated 2-H nucleosides tested, a N^(6)-(3-chlorobenzyl) derivative 7c was the most potent at the human A₃ AR (K_(i) = 1.5 nM), but a N^(6)-(3-bromobenzyl) derivative 7d showed the optimal species-independent binding affinity.
Wang, Ting,Lee, Hyun Joo,Tosh, Dilip K.,Kim, Hea Ok,Pal, Shantanu,Choi, Sun,Lee, Yoonji,Moon, Hyung Ryong,Zhao, Long Xuan,Lee, Kang Man,Jeong, Lak Shin 이화여자대학교 약학연구소 2008 藥學硏究論文集 Vol.- No.18
5'-Deoxy-5'-ureidoadenosine was designed and synthesized as a potent inhibitor of S-adenosylhomocysteine hydrolase(SAH), in which 5'-ureido group as multiple hydrogen bonding donor in binding with active site residues of SAH in the molecular modeling study.
Synthesis and Antitumor Activity of Fluorocyclopentenyl-Pyrimidines
Jeong, Lak Shin,Zhao, Long Xuan,Choi, Won Jun,Pal, Shantanu,Park, Yeon Hee,Lee, Sang Kook,Chun, Moon Woo,Lee, Young B.,Ahn, Chang Ho,Moon, Hyung Ryong Taylor Francis 2007 NUCLEOSIDES NUCLEOTIDES AND NUCLEIC ACIDS Vol.26 No.6
<P> Synthesis of fluorocyclopentenyl pyrimidine nucleosides 6-9 was enantiopurely accomplished employing oxidative rearrangement, RCM reaction and electrophilic fluorination starting from d-ribose. Cytosine analog 8 was found to exhibit significant anticancer activity in various human tumor cell lines.</P>