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Choi Dong-Rack,Lee Kee-Young,Chung Yun-Sung,Joo Jae-Eun,Kim Yong-Hyun,Oh Chang-Young,Lee Yiu-Suk,Ham Won-Hun The Pharmaceutical Society of Korea 2005 Archives of Pharmacal Research Vol.28 No.2
Palladium(II)-catalyzed carboxylation of chiral olefins 6a-d has been examined under various conditions. In the weak basic condition ($K_{2}CO_3$), 7a-d were obtained in good yields. Alternatively, in the strong basic condition, pyrrolidinones 8a-d were obtained resulting in excellent yields and with high diastereoselectivity.
Syntheses of ($\pm$)-Homoepibatidine Analogues
Kim, Yong-Hyun,Oh, Chang-Young,Lee, Kee-Young,Lee, Yiu-Suk,Jung, Young-Hoon,Park, Hyun-Ju,Ham, Won-Hun The Pharmaceutical Society of Korea 2002 Archives of Pharmacal Research Vol.25 No.1
Syntheses of ($\pm$)-homoepibatidine analogues (2), which contain the 8-azabicyclo [3.2.1 ]octane ring system, were achieved by using palladium-catalyzed reductive-coupling reaction from 3 and the analgesic activity was tested by Mouse writhing antinociceptive assay
Dong-Rack Choi,Kee-Young Lee,Yun-Sung Chung,주재은,Yong-Hyun Kim,오창영,Yiu-Suk Lee,함원훈 대한약학회 2005 Archives of Pharmacal Research Vol.28 No.2
Palladium(II)-catalyzed carboxylation of chiral olefins 6a-d has been examined under various conditions. In the weak basic condition (K2CO3), 7a-d were obtained in good yields. Alternatively, in the strong basic condition, pyrrolidinones 8a-d were obtained resulting in excellent yields and with high diastereoselectivity.
Stereoselective Syntheses of ($\pm$)-Epibatidine Analogues
Kim, Yong-Hyun,Won, Do-Youn,Oh, Chang-Young,Lee, Kee-Young,Lee, Yiu-Suk,Woo, Nam-Tae,Park, Young-Ho,Park, Hyun-Ju,Ham, Won-Hun The Pharmaceutical Society of Korea 2002 Archives of Pharmacal Research Vol.25 No.1
Stereoselective syntheses of ($\pm$)-epibatidine analogues 2, which contain the 8-azabicyclo[3.2.1]octane ring system, were achieved by using palladium-catalyzed cross-coupling reaction from 4 and the analgesic activity was tested by Mouse writhing antinociceptive assay.
Yoon, Youn-Jung,Chan, Myung-Hee,Joo, Jae-Eun,Kim, Yong-Hyun,Oh, Chang-Young,Lee, Kee-Young,Lee, Yiu-Suk,Ham, Won-Hun The Pharmaceutical Society of Korea 2004 Archives of Pharmacal Research Vol.27 No.2
In this study, a highly diastereoselective synthesis of anti-1 ,2-aminoalcohol was explored starting from L-amino acids as chiral sources. The higher yield and diastereoselectivity was shown when the aza-Claisen rearranqement was performed with allylic trichloroacetimidate 6a in the presence of palldium(II) catalyst.