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A convenient synthesis of acetylenes: catalytic substitutions of acetylenic hydrogen with bromoalkenes, iodoarenes and bromopyridines

Kenkichi Sonogashira, Yasuo Tohda, Nobue Hagihara · Tetrahedron Letters · 1975 · 5.1K citations

Natural Sciences, Chemistry, Catalysis +11

Discovery of betulinic acid as a selective inhibitor of human melanoma that functions by induction of apoptosis

Emily Pisha, Heebyung Chai, Ik‐Soo Lee et al. · Nature Medicine · 1995 · 886 citations

Life Sciences, Medicinal Chemistry, Pharmacology +14

Selective cytotoxicity of betulinic acid on tumor cell lines, but not on normal cells

Valentina Zuco, Rosanna Supino, Sabina Carla Righetti et al. · Cancer Letters · 2002 · 530 citations

Medicine, Cancer Biology, Oncology +4

PA-457: A potent HIV inhibitor that disrupts core condensation by targeting a late step in Gag processing

Feng Li, Ritu Goila-Gaur, Karl Salzwedel et al. · Proceedings of the National Academy of Sciences · 2003 · 430 citations · Full text

Life Sciences, Biology, Molecular Biology +17

Betulinic acid triggers CD95 (APO-1/Fas)- and p53-independent apoptosis via activation of caspases in neuroectodermal tumors.

Simone Fulda, Claudia Friesen, Carsten Scaffidi et al. · PubMed · 1997 · 348 citations · Full text

Life Sciences, Cell Biology, Oncology +17