- The preparation of a-alkylidene-g-butyrolactones using a telescoped intramolecular Michael/olefination (TIMO) sequence: synthesis of (+)-paeonilactone B.
[作者:Edwards, Michael G.;Kenworthy, Martin N.;Kitson, Russell R. A.;Perry, Alexis;Scott, Mark S.;Whitwood, Adrian C.;Taylor, Richard J. K.;,期刊:European Journal of Organic Chemistry, 页码:4769-4783 , 文章类型: 研究论文,,卷期:2008年-28]
- A telescoped intramol. Michael addn./proton transfer/HWE olefination sequence has been developed to provide rapid access to a-alkylidene-g-butyrolactones. This methodol. has been applied to prep. a range of tetrahydrobe...
- New musk odorants: (3E)-4-(2'-alkyl-5',5'-dimethylcyclopent-1'-enyl)but-3-en-2-ones and (3E)-1-acetyl-3-alkylidene-4,4-dimethylcyclohexenes.
[作者:Kraft, Philip;Popaj, Kasim;,期刊:European Journal of Organic Chemistry, 页码:4806-4814 , 文章类型: 研究论文,,卷期:2008年-28]
- Four new representatives, I (R = i-Pr, t-Bu) and II, of the young family of dienone musks were synthesized by two general routes. The first five-step synthetic route leading to I commenced with the enolate alkylation of...
- One-pot dual substitutions of bromobenzyl chloride, 2-chloromethyl-6-halogenoimidazo[1,2-a]pyridine and -[1,2-b]pyridazine by Suzuki-Miyaura cross-coupling reactions.
[作者:Henry, Nicolas;Enguehard-Gueiffier, Cecile;Thery, Isabelle;Gueiffier, Alain;,期刊:European Journal of Organic Chemistry, 页码:4824-4827 , 文章类型: 研究论文,,卷期:2008年-28]
- A very simple, mild and inexpensive palladium-catalyzed cross-coupling of (hetero)arylboronic acids with benzylic halides occurs in good yield. This method was successfully expanded to two heterocyclic electrophiles and...
- Salt-free synthesis of tertiary amines by ruthenium-catalyzed amination of alcohols.
[作者:Tillack, Annegret;Hollmann, Dirk;Mevius, Kathleen;Michalik, Dirk;Bahn, Sebatian;Beller, Matthias;,期刊:European Journal of Organic Chemistry, 页码:4745-4750 , 文章类型: 研究论文,,卷期:2008年-28]
- The amination of secondary alcs. to give tertiary amines in the presence of different in situ generated ruthenium catalysts has been investigated in detail. By applying a combination of [Ru3(CO)12] and N-phenyl-2-(dicyc...
- A full conformational characterization of natural ionones and irones, as well as 13-alkyl-substituted a-ionones.
[作者:Legnani, Laura;Luparia, Marco;Zanoni, Giuseppe;Toma, Lucio;Vidari, Giovanni;,期刊:European Journal of Organic Chemistry, 页码:4755-4762 , 文章类型: 研究论文,,卷期:2008年-28]
- A modeling study at the B3LYP/6-31G(d) level was performed on a group of natural odorants. These included a-, b-, and g-ionones, b-irone, cis- and trans-a- and -g-irones, and three synthetic a-ionone analogs, all contg....
- Three-component synthesis of cryofluorescent 2,4-disubstituted 3H-1,5-2 benzodiazepines - conformational control of emission properties.
[作者:Willy, Benjamin;Dallos, Timea;Rominger, Frank;Schonhaber, Jan;Mueller, Thomas J. J.;,期刊:European Journal of Organic Chemistry, 页码:4796-4805 , 文章类型: 研究论文,,卷期:2008年-28]
- from acyl chlorides, terminal alkynes, and benzene-1,2-diamines by a consecutive one-pot, three-component Sonogashira coupling/Michael addn./cyclocondensation sequence. These diazepines display intense solid-state fluor...
- Molecular recognition properties of a charge-transfer host system composed of 10,10'-dihydroxy-9,9'-biphenanthryl and viologen derivatives.
[作者:Imai, Yoshitane;Kamon, Kensaku;Kido, Shingo;Sato, Tomohiro;Tajima, Nobuo;Kuroda, Reiko;Matsubara, Yoshio;,期刊:European Journal of Organic Chemistry, 页码:4784-4789 , 文章类型: 研究论文,,卷期:2008年-28]
- A charge-transfer (CT) complex composed of racemic rac-10,10'-dihydroxy-9,9'-biphenanthryl as the electron-donor and the diquaternary deriv. of 4,4'-bipyridinium (viologen) as the electron-acceptor has been formed by the...
- Neutral Ti complexes as catalysts for the hydroamination of alkynes and alkenes: do the labile ligands change the catalytic activity?.
[作者:Graebe, Kerstin;Pohlki, Frauke;Doye, Sven;,期刊:European Journal of Organic Chemistry, 页码:4815-4823 , 文章类型: 研究论文,,卷期:2008年-28]
- A detailed comparison between three four-coordinate Ti complexes featuring the general bidentate ligand [h5-(C5H4)-SiMe2-NtBu]2- and two ligands X (NMe2, Me, Cl) as catalyst precursors (I-III, resp.) for the intermol. hy...
|