vitro screening of the GSK Kinetobox library and structure–activity relationships of identified hits led to the first SmSirt2 inhibitors with activity in the low micromolar range. Several SmSirt2 inhibitors showed potency against both larval schistosomes (viability) and adultworms (pairing, egg laying) in culture without general toxicity to human cancer cells.
<i>carba</i>
‐Nucleopeptides (
<i>c</i>
NPs): A Biopharmaceutical Modality Formed through Aqueous Rhodamine B Photoredox Catalysis
作者:Jacob R. Immel、Steven Bloom
DOI:10.1002/anie.202205606
日期:2022.7.11
nucleobase to the peptide through a C−C bond can promote new, beneficial noncovalent interactions. A general method to make C−C linked carba-nucleopeptides in batch, parallel, and flow using aqueousRhodamineB photoredox catalysis is reported.
将多肽的氨基酸侧链与 CN 连接的核碱基交换,形成具有良好物理化学性质的寡核苷酸样结构(氮杂核肽)。通过 C−C 键将核碱基连接到肽可以促进新的、有益的非共价相互作用。报道了使用水性罗丹明 B 光氧化还原催化以批量、平行和流动方式制备 C−C 连接的碳核肽的通用方法。
Negishi cross-coupling enabled synthesis of novel NAD+-dependent DNA ligase inhibitors and SAR development
作者:Kerry E. Murphy-Benenato、Lakshmaiah Gingipalli、P. Ann Boriack-Sjodin、Gabriel Martinez-Botella、Dan Carcanague、Charles J. Eyermann、Madhu Gowravaram、Jenna Harang、Michael R. Hale、Georgine Ioannidis、Harris Jahic、Michele Johnstone、Amy Kutschke、Valerie A. Laganas、James T. Loch、Matthew D. Miller、Herbert Oguto、Sahil Joe Patel
DOI:10.1016/j.bmcl.2015.09.075
日期:2015.11
Two novel compounds, pyridopyrimidines (1) and naphthyridines (2) were identified as potent inhibitors of bacterial NAD(+)-dependent DNA ligase (Lig) A in a fragment screening. SAR was guided by molecular modeling and X-ray crystallography. It was observed that the diaminonitrile pharmacophore made a key interaction with the ligase enzyme, specifically residues Glu114, Lys291, and Leu117. Synthetic challenges limited opportunities for diversification of the naphthyridine core, therefore most of the SAR was focused on a pyridopyrimidine scaffold. The initial diversification at R-1 improved both enzyme and cell potency. Further SAR developed at the R-2 position using the Negishi cross-coupling reaction provided several compounds, among these compounds 22g showed good enzyme potency and cellular potency. (C) 2015 Elsevier Ltd. All rights reserved.
Lipophilic Heterocycles. Convenient Synthesis of Long-Chain Alkyl Heteroaryl Ethers using Potassium Hydroxide in Dimethyl Sulfoxide
作者:Georg Uray、Ingo Kriessmann
DOI:10.1055/s-1984-30931
日期:——
SCHMIDT, HANS-WERNER;KOITZ, GERALD;JUNEK, HANS, J. HETEROCYCL. CHEM., 24,(1987) N 5, 1305-1307