- Synthesis, resolution, and application of cyclobutyl- and adamantyl-quinazolinap ligands.
[作者:Fekner, Tomasz;Muller-Bunz, Helge;Guiry, Patrick J.;,期刊:European Journal of Organic Chemistry, 页码:5055-5066, S5055/1-S5055/80 , 文章类型: 研究论文,,卷期:2008年-30]
- An expedient, seven-step synthesis of two new members of the Quinazolinap ligand family, 2-cyclobutyl- and 2-(1-adamantyl)-Quinazolinaps I (R = cyclobutyl, 1-adamantyl), has been developed. The racemic ligands have been...
- Preparation, structure determination, and electrochemical properties of bis{[1,4,8,11,15,18,22,25-octaethyl-2,3,9,10,16,17,23,24-octakis(meth ylthio)phthalocyaninato]titanium(IV)} benzene-1,2,4,5-tetrathiolate.
[作者:Kimura, Takeshi;Kumasaka, Jun;Namauo, Toshiharu;,期刊:European Journal of Organic Chemistry, 页码:5079-5084 , 文章类型: 研究论文,,卷期:2008年-30]
- 2,3,5,6-tetrabromodiethylbenzene in four steps. Tetramerization and cyclization of phthalonitrile 2 with lithium n-pentoxide at 115癈 produced octaethyl-octakis(methylthio)phthalocyanine (3). A titanium atom was introdu...
- Total synthesis of cyclotheonamide C by use of an a-keto cyanophosphorane methodology for peptide assembly.
[作者:Roche, Stephane P.;Faure, Sophie;El Blidi, Lahssen;Aitken, David J.;,期刊:European Journal of Organic Chemistry, 页码:5067-5078, S5067/1-S5067/14 , 文章类型: 研究论文,,卷期:2008年-30]
- The total synthesis of cyclotheonamide C (I), a macrocyclic pentapeptide incorporating an a-keto homoarginine (k-Arg) and a vinylogous dehydrotyrosine (V-DTyr) unit, has been achieved. For comparison of macrocyclization...
- Synthesis of L- and D-4,6-dideoxyhexoses and 4,6-dideoxy-C-phenylglycosides from enzyme-generated products.
[作者:Acetti, Daniela;Brenna, Elisabetta;Fuganti, Claudio;Gatti, Francesco G.;Malpezzi, Luciana;Serra, Stefano;,期刊:European Journal of Organic Chemistry, 页码:5125-5134 , 文章类型: 研究论文,,卷期:2008年-30]
- Optically active 1,3-diols I were prepd. by biocatalyzed routes. The synthetic versatility of I as chiral building blocks was shown. The oxidative cleavage of the double bond afforded a carbonyl moiety, which allowed f...
- Synthesis, structures and reactions of isolable terminal aryl/biaryl-butadiynes (Ar-CYC-CYCH).
[作者:West, Kara;Hayward, Laura N.;Batsanov, Andrei S.;Bryce, Martin R.;,期刊:European Journal of Organic Chemistry, 页码:5093-5098, S5093/1-S5093/6 , 文章类型: 研究论文,,卷期:2008年-30]
- The synthesis and isolation is reported of five terminal aryl/biaryl-butadiynes, ArCYCCYCH, from 2-methyl-6-aryl/biaryl-hexa-3,5-diyn-2-ol precursors [ArCYCCYCCMe2OH; Ar = 2-MeOC6H4, 3-MeOC6H4, 4-MeOC6H4, 2-phenylpyridin...
- Heteroaromatic donor-acceptor p-conjugated 2,2'-bipyridines.
[作者:Abbotto, Alessandro;Bellotto, Luca;De Angelis, Filippo;Manfredi, Norberto;Marinzi, Chiara;,期刊:European Journal of Organic Chemistry, 页码:5047-5054, S5047/1-S5047/17 , 文章类型: 研究论文,,卷期:2008年-30]
- A series of heteroarom. 4,4'-p-conjugated 2,2'-bipyridines (bpy) bearing conjugated p-excessive and p-deficient heteroarom. rings as donor (D) and acceptor (A) substituents, resp., is presented. It was exptl. and comput...
- The new metabolite (S)-cinnamoylphosphoramide from Streptomyces sp. and its total synthesis.
[作者:Quitschau, Melanie;Schuhmann, Tim;Piel, Jorn;von Zezschwitz, Paultheo;Grond, Stephanie;,期刊:European Journal of Organic Chemistry, 页码:5117-5124, S5117/1-S5117/9 , 文章类型: 研究论文,,卷期:2008年-30]
- The tunicate-assocd. strain Streptomyces sp. JP90 produces the unprecedented metabolite cinnamoylphosphoramide (I) among several other compds. Structure elucidation was accomplished by NMR spectroscopic studies and effi...
- Synthetic studies directed towards agelasine analogs - synthesis, tautomerism, and alkylation of 2-substituted N-methoxy-9-methyl-9H-purin-6-amines.
[作者:Roggen, Heidi;Gundersen, Lise-Lotte;,期刊:European Journal of Organic Chemistry, 页码:5099-5106 , 文章类型: 研究论文,,卷期:2008年-30]
- Methoxypurinamines I [R = H, Me, F3C, Cl, O2N; R1 = (MeO)NH], potential intermediates in the prepn. of agelasine analogs, are prepd. by substitution of I (R1 = Cl) with O-methylhydroxylamine hydrochloride, while I [R = M...
- Nano-CuO-catalyzed Ullmann coupling of phenols with aryl halides under ligand-free conditions.
[作者:Zhang, Jintang;Zhang, Zuhui;Wang, Ye;Zheng, Xiaoqi;Wang, Zhiyong;,期刊:European Journal of Organic Chemistry, 页码:5112-5116, S5112/1-S5112/21 , 文章类型: 研究论文,,卷期:2008年-30]
- Nano copper oxide has been found to be a highly efficient and reusable catalyst for the C-O cross-coupling of phenols with aryl halides under ligand-free conditions. With DMSO as solvent, Cs2CO3 and KOH are suitable bas...
- Synthesis of tertiary sec-alkylamines by the addition of Grignard reagents to N,N-dialkylformamides mediated by Ti(OiPr)4 and Me3SiCl.
[作者:Tomashenko, Olesya;Sokolov, Viktor;Tomashevskiy, Alexander;Buchholz, Herwig A.;Welz-Biermann, Urs;Chaplinski, Vladimir;de Meijere, Armin;,期刊:European Journal of Organic Chemistry, 页码:5107-5111, S5107/1-S5107/28 , 文章类型: 研究论文,,卷期:2008年-30]
- A no. of tertiary sec-alkylamines (22 examples, 29-80% yields) have been prepd. according to a simple one-pot procedure by the addn. of Grignard reagents to N,N-dialkylformamides in the presence of Ti(OiPr)4 and Me3SiCl....
- Apralactone A and a new stereochemical class of curvularins from the marine fungus Curvularia sp.
[作者:Greve, Hendrik;Schupp, Peter J.;Eguereva, Ekaterina;Kehraus, Stefan;Kelter, Gerhard;Maier, Armin;Fiebig, Heinz-Herbert;Konig, Gabriele M.;,期刊:European Journal of Organic Chemistry, 页码:5085-5092, S5085/1-S5085/40 , 文章类型: 研究论文,,卷期:2008年-30]
- Chem. investigations of the cytotoxic ext. of the marine fungus Curvularia sp. (strain no. 768), isolated from the red alga Acanthophora spicifera, yielded the novel macrolide apralactone A, as well as the antipodes of c...
- Hydrolytic deallylation of N-allyl amides catalyzed by PdII complexes.
[作者:Ohmura, Naoya;Nakamura, Asami;Hamasaki, Akiyuki;Tokunaga, Makoto;,期刊:European Journal of Organic Chemistry, 页码:5042-5045, S5042/1-S5042/5 , 文章类型: 研究论文,,卷期:2008年-30]
- Hydrolytic deallylation of N-allyl amides to give amides and propanal can be achieved with PdII catalysts. The optimized catalyst consists of Pd(OCOCF3)2 and 1,3-bis(diphenylphosphanyl)propane (DPPP). Several kinds of o...
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