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Novel pyrimidinyl pyrazole derivatives were synthesized and examined for cytotoxic and antitumor activity. Mannich reaction was employed to construct this scaffold. Among the compounds synthesized, a series of propene derivatives exhibited a potent cytotoxic activity against some tumor cell lines including multidrug resistant cell lines due to the overexpression of P-glycoprotein. The vinyl bond moiety in the scaffold was believed to be required for the cytotoxic activity. Among them, compound 14 g, when administered intraperitoneally, showed potent antitumor activity against the malignant ascites caused by intraperitoneal inoculation of P388 cells in mice. This compound also showed high activity against a solid tumor Meth A mouse fibrosarcoma when administered both intraperitoneally and orally.
H Naito, and
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Y Nakamura, and
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M Ishii, and
K Hirotani, and
E Kumazawa, and
A Ejima
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A Ejima
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Bioorganic & medicinal chemistry letters,
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K Hirotani, and
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A Ejima
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Chemistry & biodiversity,
H Naito, and
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A Ejima
July 2021,
Bioorganic & medicinal chemistry letters,
H Naito, and
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M Iwahana, and
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K Hirotani, and
E Kumazawa, and
A Ejima
January 2011,
European journal of medicinal chemistry,
H Naito, and
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A Ejima
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Acta pharmaceutica (Zagreb, Croatia),
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M Sugimori, and
I Mitsui, and
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M Iwahana, and
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K Hirotani, and
E Kumazawa, and
A Ejima
April 1967,
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