1378852-99-3Relevant academic research and scientific papers
A class of histone acetylase p300 inhibitors, and application thereof
-
, (2020/06/17)
The invention discloses a class of histone acetylase p300 inhibitors, and application thereof, and belongs to the technical field of medicinal chemistry. The invention discloses a compound representedby a formula (I), or a stereochemical isomer, a solvate or a pharmaceutically acceptable salt thereof. According to the invention, the compound can effectively inhibit the activity of histone acetylase p300 and can effectively inhibit the proliferation activity of various tumor cells; the compound is combined with a CDK4/6 inhibitor to play a synergistic role in inhibiting proliferation of tumorcells; and the compound has good application prospects in preparation of histone acetylase inhibitors, preparation of drugs for preventing and/or treating cancers, metabolic diseases, neurological diseases or inflammations, and combination of drugs.
Kinetic resolution of aminoalkenes by asymmetric hydroamination: A mechanistic study
Reznichenko, Alexander L.,Hampel, Frank,Hultzsch, Kai C.
scheme or table, p. 12819 - 12827 (2010/06/17)
The kinetic resolution of chiral aminoalkenes by hydroamination-cyclization was studied by using 3,3'-bis(triarylsilyl)-substituted binaphtholate rare-earth-metal complexes. The resolution of 1-arylaminopentenes proceeds with high efficiency and high irans-diastereoselectivity, whereas the resolution process of 1-alkylaminopentenes suffers from decreasing resolution efficiency with increasing steric demand of the aliphatic substituent. Kinetic studies of the matching and mismatching substrate-catalyst pair by using enantiopure substrates and either the (R)- or (S)-binaphtholate catalysts revealed that the difference in resolution efficiency stems from a shift of the Curtin-Hammett pre-equilibrium. Al-though 1-arylaminopentenes favor the matching substrate-catalyst complex, preference for the mismatching substrate-catalyst complex for 1-alkylaminopentenes diminishes resolution efficiency. Nevertheless, the relative cyclization rate for the two diastereomeric substrate-catalyst complexes remains in a typical range of 7-10:1. Plausible attractive π interactions between the aryl substituent and either the metal center or the aromatic system of the bis(triarylsilyl)-substituted binaphtholate ligand may explain increased sta-bility of the matching substrate-catalyst complex. Incidentally, the methoxymethyl (MOM)-substituted aminopentene 3g also exhibited a strong preference for the matching substrate-catalyst complex, possibly due to the chelating nature of the MOM substituent. The proximity of the stereocenter to the amino group in the aminoalkene substrate was crucial to achieve good kinetic resolution efficiency. The more remote β-phenyl substituent in 2-phenylpent-4-en-l-amine (5) resulted in diminished discrimination of the substrate enantiomers with respect to the relative rate of cyclization of the two substrate-catalyst complexes and a Curtin-Hammett preequilibrium close to unity.
