Sang‐Un Choi

Synthesis, topoisomerase I inhibition and structure–activity relationship study of 2,4,6-trisubstituted pyridine derivatives

Longxuan Zhao, Yoon‐Soo Moon, Arjun Basnet et al. · Bioorganic & Medicinal Chemistry Letters · 2004 · 95 citations · Full text

Pharmacy, Chemistry, Medicinal Chemistry +14

Isolation of a New Saponin and Cytotoxic Effect of Saponins from the Root of<i>Platycodon grandiflorum</i>on Human Tumor Cell Lines<i />

Young Sup Kim, Jeoung Seob Kim, Sang‐Un Choi et al. · Planta Medica · 2005 · 92 citations

Medicine, Medicinal Chemistry, Pharmacology +8

The bis benzylisoquinoline alkaloids, tetrandine and fangchinoline, enhance the cytotoxicity of multidrug resistance-related drugs via modulation of P-glycoprotein

Sang‐Un Choi, Sung-Hee Park, Kwang Hee Kim et al. · Anti-Cancer Drugs · 1998 · 65 citations

Medicine, Medicinal Chemistry, Pharmacology +16

Cytotoxic limonoids from Melia azedarach var. Japonica

Jong‐Woong Ahn, Sang‐Un Choi, Chong‐Ock Lee · Phytochemistry · 1994 · 64 citations

Life Sciences, Botany, Plant Sciences +11

Synthesis of aristolactam analogues and evaluation of their antitumor activity

Young Lok Choi, Joa Kyum Kim, Sang‐Un Choi et al. · Bioorganic & Medicinal Chemistry Letters · 2009 · 62 citations

Pharmacy, Medicinal Chemistry, Pharmacology +14