The sulfamide moiety affords higher inhibitory activity and oral bioavailability to a series of coumarin dual selective RAF/MEK inhibitors
摘要:
Introducing a sulfamide moiety to our coumarin derivatives afforded enhanced Raf/MEK inhibitory activity concomitantly with an acceptable PK profile. Novel sulfamide 17 showed potent HCT116 cell growth inhibition (IC50 = 8 nM) and good PK profile (bioavailability of 51% in mouse), resulting in high in vivo antitumor efficacy in the HCT116 xenograft (ED50 = 4.8 mg/kg). We confirmed the sulfamide moiety showed no negative impact on tests run on the compound to evaluate DMPK (PK profiles in three animal species, CYP inhibition and CYP induction) and the safety profile (hERG and AMES tests). Sulfamide 17 had favorable properties that warranted further preclinical assessment (C) 2013 Elsevier Ltd. All rights reserved.
Biocatalytic dynamic kinetic reductive resolution with ketoreductase from <i>Klebsiella pneumoniae</i>: the asymmetric synthesis of functionalized tetrahydropyrans
作者:Rasmita Barik、Joydev Halder、Samik Nanda
DOI:10.1039/c9ob01681c
日期:——
substituted-β-ketoesters to the corresponding β-hydroxy esters with excellent yields and stereoselectivities (ee and de >99 %). The reactions described herein followed a biocatalytic dynamickineticreductiveresolution (DKRR) pathway, which is reported for the first time with such substrates. It was found that the enzyme system can accept substituted mono-aryl rings with different electronic natures
Alkynylation of heterocyclic compounds using hypervalent iodine reagent
作者:M. Kamlar、I. Císařová、J. Veselý
DOI:10.1039/c4ob02625j
日期:——
The alkynylation of various nitrogen- and/or sulphur-containing heterocyclic compounds using hypervalent iodine TMS-EBX by utilization of tertiary amines under mild conditions is described.
描述了利用三级胺在温和条件下利用高价碘TMS-EBX对各种含氮和/或硫杂环化合物进行炔基化的过程。
Development of coumarine derivatives as potent anti-filovirus entry inhibitors targeting viral glycoprotein
作者:Yinyi Gao、Han Cheng、Sameer Khan、Gaokeng Xiao、Lijun Rong、Chuan Bai
DOI:10.1016/j.ejmech.2020.112595
日期:2020.10
the substitution groups of C3 and C4 of coumarin should be relatively large hydrophobic groups and 3) the linker part should be least substituted. Based on the SAR analysis, we synthesized compound 32 as a potent entry inhibitor of EBOV and MARV (IC50 = 0.5 μM for EBOV and 1.5 μM for MARV). The mutation studies of Ebola glycoprotein and molecular docking studies showed that the coumarin and its substituted
본 발명은, 하기 일반식 (11) 로 나타내는 화합물 또는 그 약학상 허용할 수 있는 염을 유효 성분으로 하는 p27 단백질 유도제를 제공한다. [식 중, G1, G2, G3 및 G8은, 각각 독립적으로 -N= 등에서 선택되고, 고리 G6은 2 가의 아릴기 등에서 선택되고, A 는 아미노기 등에서 선택되고, G4 는 산소 원자 등에서 선택되고, G5 는 산소 원자 등에서 선택되고, G7 은 -CH2- 등에서 선택되고, R2 는 C1-6 알킬기 등에서 선택된다]
A conjugated mTOR/MEK bifunctional inhibitor as potential polypharmacological anticancer agent: the prototype compound discovery
作者:Qiangqiang Tao、Fang Fang、Jiaming Li、Yong Wang、Can Zhao、Jingtai Liang、Xiaodong Ma、Hao Wang
DOI:10.1007/s00044-020-02502-x
日期:2020.3
To our knowledge, it has been the first example of a conjugated mTOR/MEK bifunctional inhibitor. In addition, from this proof-of-principle study, it has become evident that the single-agentdual inhibition of mTOR and MEK can be fulfilled via covalently attaching mTOR kinaseinhibitor to an allosteric MEK inhibitor.