215791-95-0

Upstream product

• 220655-09-4 tert-butyl thiomorpholine-4-carboxylate 
• 24424-99-5 di-tert-butyl dicarbonate 
• 59801-62-6 1,1-dioxothiomorpholine hydrochloride 
• 39093-93-1 thiomorpholine 1,1-dioxide 

Downstream Products

• 59801-62-6 1,1-dioxothiomorpholine hydrochloride 
• 73286-70-1 N-(tert-butoxycarbonyl)-3-pyrroline 
• 39093-93-1 thiomorpholine 1,1-dioxide 

Relevant academic research and scientific papers

Optimization of biaryloxazolidinone as promising antibacterial agents against antibiotic-susceptible and antibiotic-resistant gram-positive bacteria

We previously discovered a series of novel biaryloxazolidinone analogues bearing a hydrazone moiety with potent antibacterial activity. However, the most potent compound OB-104 exhibited undesirable chemical and metabolic instability. Herein, novel biaryloxazolidinone analogues were designed and synthesized to improve the chemical and metabolic stability. Compounds 6a-1, 6a-3, 14a-1, 14a-3 and 14a-7 showed significant antibacterial activity against the tested Gram-positive bacteria as compared to radezolid and linezolid. Further studies indicated that most of them exhibited improved water solubility and chemical stability. Compound 14a-7 had MIC values of 0.125–0.25 μg/mL against all tested Gram-positive bacteria, and showed excellent antibacterial activity against clinical isolates of antibiotic-susceptible and antibiotic-resistant bacteria. Moreover, it was stable in human liver microsome. From a safety viewpoint, it showed non-cytotoxic activity against hepatic cell and exhibited lower inhibitory activity against human MAO-A compared to linezolid. The potent antibacterial activity and all these improved drug-likeness properties and safety profile suggested that compound 14a-7 might be a promising drug candidate for further investigation.

PYRROLIDINE GLYCOSIDASE INHIBITORS

Compounds of formula (I) wherein A, W, R3b, Z and p have the meaning according to the claims can be employed, inter alia, for the treatment of tauopathies and Alzheimer's disease.

HETEROCYCLIC COMPOUNDS

Provided herein are compounds of formula (I) which comprise a thiomorpholine 1,1-dioxide or 1-imino-thiomorpholine 1-oxide moiety, or pharmaceutically acceptable salts of any of the foregoing, pharmaceutical compositions that include a compound described herein (including salts of the compound) and methods of synthesizing the same. Also provided are methods of treating Hepatitis B viral (HBV) infections using a compound of formula (I), or pharmaceutically acceptable salts thereof.

Synthesis and antibacterial activity evaluation of novel biaryloxazolidinone analogues containing a hydrazone moiety as promising antibacterial agents

A series of linezolid analogues containing a hydrazone moiety were designed, synthesized and evaluated for their antibacterial activity. Most compounds exhibited more potent antibacterial activity against S.aureus, MRSA, MSSA, LREF and VRE pathogens as compared with linezolid and radezolid. Compounds 9a, 9c, 9f, 9g, 10m and 10t were more potent against tested clinical isolates of MRSA, MSSA, VRE and LREF as compared to linezolid. Compound 9a exhibited comparable activity with linezolid against human MAO-A for safety evaluation and showed moderate metabolism in human liver microsome. The most promising compound 9a showed remarkable antibacterial activity against S.aureus, MRSA, MSSA, LREF and VRE pathogens with MIC value of 0.0675 mg/mL, respectively, which was 15- to 30-fold more potent than linezolid.

Neurotrophic factor tyrosine kinase receptor inhibitor

The invention provides a neurotrophic factor tyrosine kinase receptor inhibitor. The tyrosine kinase receptor inhibitor provided by the invention has a tricyclic parent core structure, can inhibit theactivity of Trk kinase and can be used for treating mammalian diseases mediated by the Trk kinase.

Novel Potent Proline-Based Metalloproteinase Inhibitors: Design, (Radio)Synthesis, and First in Vivo Evaluation as Radiotracers for Positron Emission Tomography

As dysregulation of matrix metalloproteinase (MMP) activity is associated with a wide range of pathophysiological processes like cancer, atherosclerosis, and arthritis, MMPs represent a valuable target for the development of new therapeutics and diagnostic tools. We herein present the chiral pool syntheses, in vitro evaluation, and SAR studies of a series of d- and l-proline- as well as of (4R)-4-hydroxy-l-proline-derived MMP inhibitors possessing general formula 1. Some of the synthesized hydroxamic acids were found to be potent MMP inhibitors with IC50 values in the nanomolar range, also demonstrating no off-target effects toward the other tested Zn2+-dependent metalloproteases (ADAMs and meprins). Utilizing the structure of the (2S,4S)-configured 4-hydroxyproline derivative 4, a selective picomolar inhibitor of MMP-13, the radiolabeled counterpart [18F]4 was successfully synthesized. The radiotracer's biodistribution in mice as well as its serum stability were evaluated for assessing its potential use as a MMP-13 targeting PET imaging agent.

TRICYCLIC COMPOUNDS AS ANTICANCER AGENTS

The present invention is directed to tricyclic compounds of the formula (I), wherein all substituents are defined herein, as well as pharmaceutically acceptable compositions comprising compounds of the invention and methods of using said compositions in the treatment of various disorders.

SERINE/THREONINE KINASE INHIBITORS

Compounds having the formula I wherein R1, R2, R3, R4, R5, Ra, Rb, Rc, Rd, Re, n, r, s and t are as defined herein and which compounds are inhibitors of PAK1. Also disclosed are compositions and methods for treating cancer and hyperproliferative disorders.

1,2-dibromotetrachloroethane: An ozone-friendly reagent for the in situ Ramberga-Baecklund rearrangement and its use in the formal synthesis of E-resveratrol

Dibromotetrachloroethane (C2Br2Cl4) is demonstrated as a halogenating reagent for the one-pot conversion of sulfones to alkenes by way of the Ramberga-Baecklund rearrangement. Dibromotetrachloroethane successfully replaces known ozone depleting agents CCl4, CBr2F2 and C2Br 2F4. A formal synthesis of E-resveratrol is demonstrated using C2Br2Cl4.

Quinolinone-carboxamide compounds

The invention provides novel quinolinone-carboxamide 5-HT4 receptor agonist compounds. The invention also provides pharmaceutical compositions comprising such compounds, methods of using such compounds to treat diseases associated with 5-HT4 receptor activity, and processes and intermediates useful for preparing such compounds.