The present invention is generally directed to inhibitors of protein tyrosine phosphatase enzymes (PTPN1 and/or PTPN2) useful in the treatment of diseases and disorders modulated by said enzymes and having the Formula (I). Further disclosed a method of treating a disease or disorder associated with PTPN1/PTPN2, comprising of administering to a subject a compound or a pharmaceutical composition.
Organic chemical compounds based upon the urea molecule are disclosed which have potent gastric secretion inhibitory properties. The urea is substituted with a 6 membered heterocyclic substituent containing 2 or 3 heteroatoms, and also with a substituted amino alkyl group. Further substitution is also possible. The compounds have profound effects on the inhibition of gastric secretions in the gastro-intestinal tract, and compositions for such uses are also disclosed.
Synthesis and biological activity of hydrochlorides of benzyl ethers of pyrimidin-4(3H)-thiones and related compounds
作者:A. V. Erkin、V. V. Gurzhii、V. I. Krutikov
DOI:10.1134/s1070363215010144
日期:2015.1
Hydrochlorides of benzyl ether of 2-amino-6-methylpyrimidin-4(3H)-thione and its analogs were synthesized and biological activity of the synthesized compounds was studied.
Synthesis and Self Assembling Properties of Rod-Like, 2-Ureido-4-pyrimidinone-Based Main Chain Supramolecular Dendronized Polymers
作者:Chun-Ho Wong、Wing-Shong Chan、Chui-Man Lo、Hak-Fun Chow、To Ngai、Ka-Wai Wong
DOI:10.1021/ma101647j
日期:2010.10.26
A series of G1-G3 supramolecular dendronized polymers 6 bearing dimeric 2-ureido-4-pyrimidinone (UPy) units on the main chain and aliphatic hydrocarbon dendrons as side chain appendages was prepared. Because of the high crystallinity and poor solubility of such rigid rod polymers, only the 03 dendron could confer the resulting polymer 6 (n = 3) with enough solubility to enable its characterization and property studies. It was found that the nature of the dendrons play an important role on the UP.,, binding strength, solubility and self-assembly properties. The reversible nature of the polymerization process was demonstrated in different solvent systems by viscosity studies. A double logarithmic plot of the specific viscosity against concentration revealed a deflection point at 26 mM in CHCl3 at 26 and 40 degrees C. Below this critical concentration a straight line with a slope of 1.5 was obtained, while a slope of 4.0-4.2 was secured above this concentration. The data suggested that the associative interaction between the di-UPy monomer 5 (n = 3) increased nonlinearly with increasing monomer concentration. While the above investigations confirmed that these were main chain supramolecular dendronized polymers, UV-vis spectroscopic study revealed a large bathochromic shift (32 nm) with increasing polymer concentration in CHCl3. This finding was consistent with the formation of J-type aggregates via stair-case stacking between interchain UPy rings. SEM morphological study also confirmed that the resulting polymers appeared as fibrous superbundles with a very high aspect ratio. A model was purposed to rationalize how such bundles could be assembled from the di-UPy dendritic macromonomer 5 via intrachain hydrogen bonding and interchain stacking interactions.