Phosphovanadomolybdic acid catalyzed desulfurization–oxygenation of secondary and tertiary thioamides into amides using molecular oxygen as the terminal oxidant
Synthesis of 2-Acetamido-2-deoxy-β-<scp>d</scp>-glucopyranose <i>O</i>-Glycopeptides from <i>N</i>-Dithiasuccinoyl-Protected Derivatives<sup>1</sup><sup>-</sup><sup>3</sup>
作者:Knud J. Jensen、Paul R. Hansen、D. Venugopal、George Barany
DOI:10.1021/ja953529i
日期:1996.1.1
proteins. The “active ester” approach for solid phase glycopeptide synthesis calls for the direct glycosylation of Nα-(9-fluorenylmethyloxycarbonyl)amino acid pentafluorophenyl esters (Nα-Fmoc-AA-OPfp's). The synthesis of the required Ser(β-d-GlcpNAc) and Thr(β-d-GlcpNAc) building blocks poses special problems arising from the 2-amino substituent in the corresponding glycosyl donors. Activation of donors
We report a coupling reaction of thioamides and sulfonyl azides to generate sulfonyl amidines in the absence of any activation additives. The reaction progresses in various solvents under mild conditions. Water exhibits the highest performance with respect to efficiency.
<i>N</i>-Phenylamidines as Selective Inhibitors of Human Neuronal Nitric Oxide Synthase: Structure−Activity Studies and Demonstration of in Vivo Activity
作者:Jon L. Collins、Barry G. Shearer、Jeffrey A. Oplinger、Shuliang Lee、Edward P. Garvey、Mark Salter、Claire Duffy、Thimysta C. Burnette、Eric S. Furfine
DOI:10.1021/jm980072p
日期:1998.7.1
the amidine nitrogen and phenyl ring to give N-(3-(aminomethyl)phenyl)acetamidine (14) dramatically altered the selectivity to give a neuronal selective nitric oxide synthase (nNOS) inhibitor. Part of this large shift in selectivity was due to 14 being a rapidly reversible inhibitor of iNOS in contrast to the essentially irreversible inhibition of iNOS observed with 13. Structure-activity studies revealed
[EN] NOVEL PHENYL IMIDAZOLES AND PHENYL TRIAZOLES AS GAMMA-SECRETASE MODULATORS<br/>[FR] NOUVEAUX PHÉNYL IMIDAZOLES ET PHÉNYL TRIAZOLES EN TANT QUE MODULATEURS DE LA GAMMA SÉCRÉTASE
申请人:PFIZER
公开号:WO2010100606A1
公开(公告)日:2010-09-10
Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula (I) as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
modular method for the synthesis of (Z)-3-[amino(phenyl/methyl)methylidene]-1,3-dihydro-2H-indol-2-ones starting from easily available 3-bromooxindoles or (2-oxoindolin-3-yl)triflate and thioacetamides or thiobenzamides is described. A series of 49 compounds, several of which have previously been shown to possess significant tyrosin kinase inhibiting activity, was prepared in yields varying mostly from