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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共64条记录   Efficient Pseudo-enantiomeric Carbohydrate Olefin Ligands [作者：GRUGEL HOLGER; ALBRECHT FABIAN; MINUTH TOBIAS; BOYSEN MIKE M K,期刊：Organic Letters, 页码：3780-3783 , 文章类型： Article，,卷期：2012年14-14] Highly efficient pseudo-enantiomeric olefin ligands were designed from D-glucose and D-galactose. These ligands yield consistently excellent levels of enantipselectivity in Rh(l)-catalyzed 1,4-additions of aryl- and alke... Covalently Chemical Modification of Lithium Ion-Encapsulated Fullerene: Synthesis and Characterization of [Li+@PCBM]PF6- [作者：MATSUO YUTAKA; OKADA HIROSHI; MARUYAMA MASASHI; SATO HIROYASU; TOBITA HIROMI; ONO YOSHIHIRO; OMOTE KENJI; KAWACHI KAZUHIKO; KASAMA YASUHIKO,期刊：Organic Letters, 页码：3784-3787 , 文章类型： Article，,卷期：2012年14-14] Covalently organic derivatization of [Li+@C-60]PF6- to obtain Li+-encapsulated PCBM, [Li+@PCBM]PF6-, is described. Synthetic procedures, electrochemical properties, light absorption properties, details of isomerization f... "Customizable" Units in Di- and Tripeptides: Selective Conversion into Substituted Dehydroamino Acids [作者：SAAVEDRA CARLOS J; BOTO ALICIA; HERNANDEZ ROSENDO,期刊：Organic Letters, 页码：3788-3791 , 文章类型： Article，,卷期：2012年14-14] The selective conversion of serine or threonine units of di- and tripeptides into substituted dehydroamino acids is reported. Thus, these common a-amino acids undergo a scission-phosphorylation process to give a-amino ph... Ruthenium(II)-Catalyzed sp(3) C-H Bond Arylation of Benzylic Amines Using Aryl Halides [作者：DASTBARAVARDEH NAVID; SCHNUERCH MICHAEL; MIHOVILOVIC MARKO D,期刊：Organic Letters, 页码：3792-3795 , 文章类型： Article，,卷期：2012年14-14] A ruthenium(II)-catalyzed protocol for the direct arylation of benzylic amines was developed. Employing 3-substituted pyridines as directing groups, arylation was achieved using aryl bromides or aryl iodides as the aryl ... Iron-Catalyzed Alkylations of Aryl Sulfamates and Carbamates [作者：SILBERSTEIN AMANDA L; RAMGREN STEPHEN D; GARG NEIL K,期刊：Organic Letters, 页码：3796-3799 , 文章类型： Article，,卷期：2012年14-14] The alkylation of aryl sulfamates and carbamates using iron catalysis is reported. The method constructs sp(2)-sp(3) carbon-carbon bonds and provides synthetically useful yields across a range of substrates (>35 examples... Palladium-Catalyzed N-Monoarylation of Amidines and a One-Pot Synthesis of Quinazoline Derivatives [作者：MCGOWAN MEREDETH A; MCAVOY CAMILLE Z; BUCHWALD STEPHEN L,期刊：Organic Letters, 页码：3800-3803 , 文章类型： Article，,卷期：2012年14-14] A method for the Pd-catalyzed N-arylation of both aryl and alkyl amidines with a wide range of aryl bromides, chlorides, and triflates is described. The reactions proceed in short reaction times and with excellent select... Rhodium-Catalyzed Acyl-Transfer Reaction between Benzyl Ketones and Thioesters: Synthesis of Unsymmetric Ketones by Ketone CO-C Bond Cleavage and Intermolecular Rearrangement [作者：ARISAWA MIEKO; KUWAJIMA MANABU; TORIYAMA FUMIHIKO; LI GUANGZHE; YAMAGUCHI MASAHIKO,期刊：Organic Letters, 页码：3804-3807 , 文章类型： Article，,卷期：2012年14-14] In the presence of catalytic amounts of RhH(CO)(PPh3)(3) and 1,2-bis(diphenylphosphino)benzene (dppBz), acyl groups were transferred between benzyl ketones and thioesters/aryl esters. The rhodium complex catalyzed the cl... Synthesis of Bridged Inside-Outside Bicyclic Ethers through Oxidative Transannular Cyclization Reactions [作者：HAN XUN; FLOREANCIG PAUL E,期刊：Organic Letters, 页码：3808-3811 , 文章类型： Article，,卷期：2012年14-14] The classical geometry of the 6-endo transition state for nucleophilic additions into oxocarbenium ions can be perturbed by incorporating the reactive groups into medium-sized rings, leading to the formation of 2,6-trans... Palladium-Catalyzed Direct Hydroxymethylation of Aryl Halides and Triflates with Potassium Acetoxymethyltrifluoroborate (vol 14, pg 1281, 2012) [作者：MURAI NORIO; YONAGA MASAHIRO; TANAKA KEIGO,期刊：Organic Letters, 页码：3812-3813 , 文章类型： Correction，,卷期：2012年14-14] Palladium-Catalyzed Hiyama Couplings of alpha-Silylenoates and alpha-Silylenamides (vol 14, pg 3329, 2012) [作者：ROOKE DOUGLAS A; FERREIRA ERIC M,期刊：Organic Letters, 页码：3814-3814 , 文章类型： Correction，,卷期：2012年14-14] First Total Synthesis of Paracaseolide A [作者：NOUTSIAS DIMITRIS; VASSILIKOGIANNAKIS GEORGIOS,期刊：Organic Letters, 页码：3565-3567 , 文章类型： Article，,卷期：2012年14-14] The first total synthesis of the paracaseolide A, a very unusual tetraquinane oxa-cage bislactone recently isolated from the mangrove Sonneratia paracaseolaris, has been achieved. The final step and culmination of the ei... A New Nucleoside Analogue with Potent Activity against Mutant sr39 Herpes Simplex Virus-1 (HSV-1) Thymidine Kinase (TK) [作者：SUNDARAM G S M; HARPSTRITE SCOTT E; KAO JEFF LUNGFA; COLLINS SILVIA D; SHARMA VIJAY,期刊：Organic Letters, 页码：3568-3571 , 文章类型： Article，,卷期：2012年14-14] Nucleoside analogues, such as penciclovir, ganciclovir, acyclovir, and their fluoro-substituted derivatives, have wide utility as antivirals. Among these analogues, FHBG (F-18-Fluorohydroxybutylguanine) is a well-validat... Enantioselective Recognition of Mandelic Acid with (R)-1,1-Bi-2-naphthol-Linked Calix[4]arene via Fluorescence and Dynamic Light Scattering [作者：MIAO FAJUN; ZHOU JUAN; TIAN DEIMEI; LI HAIBING,期刊：Organic Letters, 页码：3572-3575 , 文章类型： Article，,卷期：2012年14-14] A chiral 1,1-bi-2-naphthol-derived calix[4]arene (1) was synthesized via a click reaction. Fluorescence spectra and dynamic light-scattering revealed that Cu(II)-1 complexes were generated in situ and exhibited remarkabl... Significant Asymmetric Amplification in Enantioselective Cu/DiPPAM-catalyzed 1,6- and 1,4-Conjugate Additions of Diethylzinc to (Di)enones [作者：MAGREZ MAGALY; WENCELDELORD JOANNA; ALEXAKIS ALEXANDRE; CREVISY CHRISTOPHE; MAUDUIT MARC,期刊：Organic Letters, 页码：3576-3579 , 文章类型： Article，,卷期：2012年14-14] An unprecedented and strong positive nonlinear effect (NLE) was observed in Cu/DiPPAM-catalyzed asymmetric 1,6-conjugate addition of Et2Zn on (E)-3-(prop-1-en-1-yl)cyclohex-2-enone (71% ee reached with a 40% ee ligand). ... Synthesis of Enantiopure, Trisubstituted Cryptophane-A Derivatives [作者：TARATULA OLENA; KIM MICHAEL P; BAI YUBIN; PHILBIN JOHN P; RIGGLE BRITTANY A; HAASE DANNIEBELLE N; DMOCHOWSKI IVAN J,期刊：Organic Letters, 页码：3580-3583 , 文章类型： Article，,卷期：2012年14-14] The efficient synthesis of enantiopure, trisubstituted cryptophane-A derivatives, organic host molecules with unusually high xenon affinity, is reported. Synthesis and chromatographic separation of (+/-) tri-Mosher's aci... Tunable Mesogens Based on Shape-Persistent Aromatic Oligoamides: From Lamellar, Columnar, to Nematic Liquid Crystalline Phase [作者：ZOU SHULIANG; HE LUTAO; ZHANG JING; HE YOUZHOU; YUAN LIHUA; WU LIXIN; LUO JIAN; WANG YINGHAN; FENG WEN,期刊：Organic Letters, 页码：3584-3587 , 文章类型： Article，,卷期：2012年14-14] Crescent aromatic oligoamides are shown to form thermotropic lamellar columnar, rectangular columnar, and discotic nematic mesophases according to structural variation, demonstrating their capability to serve as a new cl...