[EN] SYNTHESIS AND USE OF HETEROCYCLIC ANTIBACTERIAL AGENTS<br/>[FR] SYNTHÈSE ET UTILISATION D'AGENTS ANTIBACTÉRIENS HÉTÉROCYCLIQUES
申请人:SCHERING CORP
公开号:WO2009158369A1
公开(公告)日:2009-12-30
This invention relates to compounds of the following Formula (I); or a pharmaceutically acceptable salt, solvate, ester or isomer thereof, which is useful for the treatment of diseases or conditions mediated by LpxC.
“@-Tides”: The 1,2-Dihydro-3(6<i>H</i>)-pyridinone Unit as a β-Strand Mimic
作者:Scott T. Phillips、Miroslav Rezac、Ulrich Abel、Michael Kossenjans、Paul A. Bartlett
DOI:10.1021/ja0168460
日期:2002.1.1
The cyclic amino acid surrogate 1 was designed to mimic the extended conformation of a peptide unit and to provide hydrogen bond donor and acceptor functions conducive to beta-sheet formation. A convenientsynthesis of this unit and solution and solid-phase methods for its incorporation into an oligomer alternating with peptide units have been devised. The resulting "@-tides", as these oligomers have
Tantalum-Catalyzed Amidation of Amino Acid Homologues
作者:Wataru Muramatsu、Hisashi Yamamoto
DOI:10.1021/jacs.9b08415
日期:2019.12.4
tantalum-catalyzed solvent-free approach for the construction of amide bonds with 1-(trimethylsilyl)imidazole is developed, and the mild reaction conditions are applicable to a wide variety of electrophilic aminoacid homologs. This approach delivers a new class of peptides in high yields without any epimerization.
Auxiliary-Directed Pd-Catalyzed γ-C(sp<sup>3</sup>)–H Bond Activation of α-Aminobutanoic Acid Derivatives
作者:Kalyan Kumar Pasunooti、Biplab Banerjee、Terence Yap、Yaojia Jiang、Chuan-Fa Liu
DOI:10.1021/acs.orglett.5b03118
日期:2015.12.18
New bidentate auxiliaries derived from the isoxazole-3-carboxamide and oxazole-4-carboxamide moieties were used for Pd-catalyzedC(sp3)–H bond activation. The results show that, when placed on a primary amine compound, 5-methylisoxazole-3-carboxamide (MICA) directsPd-catalyzed activation of inert γ-C(sp3)–H bonds for C–C bond formation. Selective and efficient arylation and alkylation of several α-aminobutanoic
A catalytic method for the formation of amide bonds was developed in which the amidation of N-hydroxyimino esters with a broad range of amino acid tert-butyl esters is promoted by a niobium catalyst in the absence of solvent. Contrary to the predominant protocol based on reagent control commonly applied to amidation reactions, this study provides insight into an approach based on substrate control