193542-65-3Relevant articles and documents
Catalytic Formal Conjugate Addition: Direct Synthesis of δ-Hydroxynitriles from Nitriles and Allylic Alcohols
Thiyagarajan, Subramanian,Sankar, Raman Vijaya,Anjalikrishna, Puthannur K.,Suresh, Cherumuttathu H.,Gunanathan, Chidambaram
, p. 2191 - 2204 (2022/02/14)
Alcohols and nitrile functionalities have widespread applications in biochemical and chemical synthesis. Catalytic transformations involving C-C bond formation relying on unsaturated coupling partners create important pathways for processes in synthetic, material, and medicinal chemistry. The discovery of a simple and selective coupling of nitriles with allylic alcohols catalyzed by a ruthenium pincer complex is described, which tolerates reactive functional groups such as carbamate, sulfonate, olefin, cyano, and trifluoromethyl-substituted benzyl nitriles. Homo allylic alcohols also provided 1,4-addition products following the isomerization of double bonds. Mechanistic studies supported that the allylic alcohols initially undergo selective oxidation by the catalyst to α,β-unsaturated carbonyl compounds followed by 1,4-conjugate addition of benzyl nitriles catalyzed by a base and subsequent catalytic reduction of carbonyl functionality, leading to the formation of δ-hydroxynitrile products. The catalytic cycle of this tandem process is established by density functional theory studies. Remarkably, anipamil drug is successfully synthesized using this catalytic protocol. The utility of the δ-hydroxynitrile products in the synthesis of biologically active molecules and their further functionalization are also demonstrated.
Methods of Inhibiting Metastasis from Cancer
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, (2012/06/16)
The present invention includes compositions that are useful in preventing or treating metastasis in a subject diagnosed with cancer. The present invention also includes methods of preventing or treating metastasis in a subject diagnosed with cancer, where
Discovery of novel non-peptide CCR1 receptor antagonists
Ng, Howard P.,Karen, May,Bauman, John G.,Ghannam, Ameen,Islam, Imadul,Liang, Meina,Horuk, Richard,Hesselgesser, Joseph,Snider, R. Michael,Perez, H. Daniel,Morrissey, Michael M.
, p. 4680 - 4694 (2007/10/03)
Ligands for the CCR1 receptor (MIP-1α and RANTES) have been implicated in a number of chronic inflammatory diseases, most notably multiple sclerosis and rheumatoid arthritis. Because these ligands share a common receptor, CCR1, we sought to discover antagonists for this receptor as an approach to treating these disorders. A novel series of 4-hydroxypiperidines has been discovered by high throughput screening (HTS) which potently inhibits the binding of MIP-1α and RANTES to the recombinant human CCR1 chemokine receptor. The structure-activity relationships of various segments of this template are described as the initial HTS lead 1 was optimized synthetically to the highly potent receptor antagonist 6s. This compound has been shown to have at least 200-fold selectivity for inhibition of CCR1 over other human 7- TM receptors, including other chemokine receptors. In addition, data obtained from in vitro functional assays demonstrate the functional antagonism of compound 6s and structurally related analogues against the CCR1 receptor in a concentration dependent manner. The discovery and optimization of potent and selective CCR1 receptor antagonists represented by compound 6s potentially represent a novel approach to the treatment of chronic inflammatory diseases.