Shinozuka, Tsuyoshi; Kobayashi, Hiroyuki; Suzuki, Sayaka; Tanaka, Kyosuke; Karanjule, Narayan; Hayashi, Noriyuki; Tsuda, Toshifumi; Tokumaru, Eri; Inoue, Masahiro; Ueda, Kiyono; Kimoto, Hiroko; Domon, Yuki; Takahashi, Sakiko; Kubota, Kazufumi; Yokoyama, Tomihisa; Shimizugawa, Akiko; Koishi, Ryuta; Fujiwara, Chie; Asano, Daigo; Sakakura, Tomoko; Takasuna, Kiyoshi; Abe, Yasuyuki; Watanabe, Toshiyuki; Kitano, Yutaka published the article 《Discovery of DS-1971a, a Potent, Selective NaV1.7 Inhibitor》. Keywords: neuropathic pain safety GSH preclin CYP3A4 sodium channels inhibitor.They researched the compound: 4-Aminopyrimidine( cas:591-54-8 ).Electric Literature of C4H5N3. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:591-54-8) here.
A highly potent, selective NaV1.7 inhibitor, DS-1971a(I), has been discovered. Exploration of the left-hand Ph ring of sulfonamide derivatives (I and II) led to the discovery of novel series of cycloalkane derivatives with high NaV1.7 inhibitory potency in vitro. As the right-hand heteroaromatic ring affected the mechanism-based inhibition liability of CYP3A4, replacement of this moiety resulted in the generation of 4-pyrimidyl derivatives Addnl., GSH adducts formation, which can cause idiosyncratic drug toxicity, was successfully avoided by this modification. An addnl. optimization led to the discovery of DS-1971a. In preclin. studies, DS-1971a demonstrated highly potent selective in vitro profile with robust efficacy in vivo. DS-1971a exhibited a favorable toxicol. profile, which enabled multiple-dose studies of up to 600 mg bid or 400 mg tid (1200 mg/day) administered for 14 days to healthy human males. DS-1971a is expected to exert potent efficacy in patients with peripheral neuropathic pain, with a favorable safety profile.
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