- A Molecular Cage-Based [2]Rotaxane That Behaves as a Molecular Muscle.
[作者:Chuang, Chun-Ju;Li, Wan-Sheung;Lai, Chien-Chen;Liu, Yi-Hung;Peng, Shie-Ming;Chao, Ito;Chiu, Sheng-Hsien;,期刊:Organic Letters, 页码:385-388 , 文章类型: 研究论文,,卷期:2009年11-2]
- A mol. cage-based [2]rotaxane that functions as an artificial mol. muscle through the control of the addn. and removal of fluoride anions is reported. The percentage change in mol. length of the [2]rotaxane is ~36% betw...
- Stereoselective Synthesis of Nipecotic Acid Derivatives via Palladium-Catalyzed Decarboxylative Cyclization of g-Methylidene-d-valerolactones with Imines.
[作者:Shintani, Ryo;Murakami, Masataka;Hayashi, Tamio;,期刊:Organic Letters, 页码:457-459 , 文章类型: 研究论文,,卷期:2009年11-2]
- A new synthetic method of multisubstituted nipecotic acid (piperidine-3-carboxylic acid) derivs., e.g., I, has been developed by way of palladium-catalyzed decarboxylative cyclization of g-methylidene-d-valerolactones wi...
- Palladium-catalyzed Suzuki-Miyaura coupling of pyridyl-2-boronic esters with aryl halides using highly active and air-stable phosphine chloride and oxide ligands.
[作者:Yang, David X.;Colletti, Steven L.;Wu, Kevin;Song, Maoying;Li, George Y.;Shen, Hong C.;,期刊:Organic Letters, 页码:381-384 , 文章类型: 研究论文,,卷期:2009年11-2]
- The palladium-catalyzed Suzuki-Miyaura coupling of pyridyl-2-boronic esters provided an efficient approach to useful biaryl building blocks contg. a 2-pyridyl moiety. The convenient reaction protocol demonstrates its po...
- Enantioselective Zirconium-Catalyzed Friedel-Crafts Alkylation of Pyrrole with Trifluoromethyl Ketones.
[作者:Blay, Gonzalo;Fernandez, Isabel;Monleon, Alicia;Pedro, Jose R.;Vila, Carlos;,期刊:Organic Letters, 页码:441-444 , 文章类型: 研究论文,,卷期:2009年11-2]
- The first catalytic enantioselective Friedel-Crafts alkylation of pyrrole with 2,2,2-trifluoroacetophenones to give pyrroles with a trifluoromethyl-substituted tertiary alc. moiety bearing a quaternary stereogenic center...
- A [2 + 2 + 2]-Cycloaddition Approach toward 6-Oxa-allocolchicinoids with Apoptosis-Inducing Activity.
[作者:Nicolaus, Norman;Strauss, Susanne;Neudorfl, Joerg-Martin;Prokop, Aram;Schmalz, Hans-Guenther;,期刊:Organic Letters, 页码:341-344 , 文章类型: 研究论文,,卷期:2009年11-2]
- microwave-promoted Co- or Rh-catalyzed intramol. [2 + 2 + 2]-cycloaddn. (alkyne cyclotrimerization) as a key step. The approach opens a short and efficient access to a variety of novel compds., some of which were found ...
- Enantioselective Total Synthesis of (+)-Cassiol.
[作者:Petrova, Krastina V.;Mohr, Justin T.;Stoltz, Brian M.;,期刊:Organic Letters, 页码:293-295 , 文章类型: 研究论文,,卷期:2009年11-2]
- An enantioselective total synthesis of (+)-cassiol (I) is reported. The complex derived from Pd2(pmdba)3 and enantiopure t-BuPHOX ligand catalyzes enantioconvergent decarboxylative alkylation to generate the quaternary ...
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