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  2. The discovery of avanafil for the treatment of erectile dysfunction: a novel pyrimidine-5-carboxamide derivative as a potent and highly selective phosphodiesterase 5 inhibitor

The discovery of avanafil for the treatment of erectile dysfunction: a novel pyrimidine-5-carboxamide derivative as a potent and highly selective phosphodiesterase 5 inhibitor

  • Bioorg Med Chem Lett. 2014 Dec 1;24(23):5460-5. doi: 10.1016/j.bmcl.2014.10.008.
Toshiaki Sakamoto 1 Yuichi Koga 1 Masataka Hikota 1 Kenji Matsuki 1 Michino Murakami 2 Kohei Kikkawa 2 Kotomi Fujishige 3 Jun Kotera 3 Kenji Omori 4 Hiroshi Morimoto 5 Koichiro Yamada 1
Affiliations

Affiliations

  • 1 Medicinal Chemistry Research Laboratories II, Mitsubishi Tanabe Pharma Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan.
  • 2 Pharmacology Research Laboratories II, Mitsubishi Tanabe Pharma Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan.
  • 3 Advanced Medical Research Laboratories, Mitsubishi Tanabe Pharma Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan.
  • 4 Advanced Medical Research Laboratories, Mitsubishi Tanabe Pharma Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan; Industry and Academia Cooperation Research Project, Laboratory of Target and Drug Discovery, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan.
  • 5 Medicinal Chemistry Research Laboratories II, Mitsubishi Tanabe Pharma Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan. Electronic address: morimoto.hiroshi@md.mt-pharma.co.jp.
Abstract

Novel pyrimidine-5-carboxamide derivatives bearing a 3-chloro-4-methoxybenzylamino group at the 4-position were identified as potent and highly selective phosphodiesterase 5 inhibitors. Among them, we successfully found 10j (avanafil) which exhibited a potent relaxant effect on isolated rabbit cavernosum (EC30=2.1 nM) and a high isozyme selectivity.

Keywords

Avanafil; Erectile dysfunction; PDE5; PDE6.

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