We synthesized benzoate ester derivatives of kojic acid with and without adamantane moiety. Benzoate derivatives 2a-e that did not contain an adamantane moiety showed potent tyrosinase inhibitory activities. However, depigmenting activity was not noted in a cell-based assay. Contrasting results were obtained for benzoate derivatives (3a-e) containing an adamantane moiety. Compounds 3a-e showed potent depigmenting activities without tyrosinase inhibitory activities. To the best of our knowledge, this is the first study showing the depigmenting activities of kojic acid derivatives without tyrosinase inhibitory activities. (C) 2012 Published by Elsevier Ltd.
机构:
Taipei Med Univ, Sch Pharm, Taipei, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Lin, Yin-Shiou
Chen, Sheng-Hsuan
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Taipei Med Univ, Dept Internal Med, Taipei, Taiwan
Mennonite Christian Hosp, Dept Internal Med, Hualien, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Chen, Sheng-Hsuan
Huang, Wei-Jan
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Taipei Med Univ, Grad Inst Pharmacognosy, Taipei, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Huang, Wei-Jan
Chen, Chao-Hsiang
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机构:
Ko Da Pharmaceut Co Ltd, Tao Yuan, Taiwan
Nectar Valley Biopharma Inc, Tao Yuan, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Chen, Chao-Hsiang
Chien, Mei-Yin
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Ko Da Pharmaceut Co Ltd, Tao Yuan, Taiwan
Nectar Valley Biopharma Inc, Tao Yuan, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Chien, Mei-Yin
Lin, Shyr-Yi
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Taipei Med Univ Hosp, Dept Primary Care Med, Taipei, Taiwan
Taipei Med Univ, Coll Med, Dept Gen Med, Sch Med, Taipei, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Lin, Shyr-Yi
Hou, Wen-Chi
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Taipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
Taipei Med Univ Hosp, Tradit Herbal Med Res Ctr, Taipei, TaiwanTaipei Med Univ, Grad Inst Pharmacognosy, Taipei, Taiwan
机构:
Korea Atom Energy Res Inst KAERI, Adv Radiat Technol Inst, Jeongeup Si 56212, Jeonbuk Do, South KoreaKorea Atom Energy Res Inst KAERI, Adv Radiat Technol Inst, Jeongeup Si 56212, Jeonbuk Do, South Korea
Han, Ah-Reum
Ryu, Hyung Won
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Korea Res Inst Biosci & Biotechnol KRIBB, Nat Med Res Ctr, Cheongju 28116, Chungbuk Do, South KoreaKorea Atom Energy Res Inst KAERI, Adv Radiat Technol Inst, Jeongeup Si 56212, Jeonbuk Do, South Korea
Ryu, Hyung Won
Jin, Chang Hyun
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Korea Atom Energy Res Inst KAERI, Adv Radiat Technol Inst, Jeongeup Si 56212, Jeonbuk Do, South KoreaKorea Atom Energy Res Inst KAERI, Adv Radiat Technol Inst, Jeongeup Si 56212, Jeonbuk Do, South Korea
机构:
Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R ChinaLiaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R China
Dong, Huanhuan
Wang, Xinyu
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Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R ChinaLiaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R China
Wang, Xinyu
Li, Gao
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Yanbian Univ, Key Lab Nat Med Changbai Mt, Minist Educ, Yanji, Peoples R ChinaLiaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R China
Li, Gao
Zhao, Longxuan
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Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R China
Liaoning Normal Univ, Liaoning Prov Key Lab Biotechnol & Drug Discovery, Dalian, Peoples R ChinaLiaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R China
Zhao, Longxuan
Zhao, Chunhui
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Liaoning Normal Univ, Liaoning Prov Key Lab Biotechnol & Drug Discovery, Dalian, Peoples R ChinaLiaoning Normal Univ, Sch Chem & Chem Engn, Dalian, Peoples R China