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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20条记录   Copper-Catalyzed Synthesis of N-Heterocyclic Compounds [作者：LIU TAO; FU HUA,期刊：Synthesis, 页码：2805-2824 , 文章类型： Review，,卷期：2012年44-18] The synthesis of N-heterocyclic compounds is an important direction because of their diverse biological functions. Recently, there has been remarkable progress in copper-catalyzed cross couplings with inexpensive, readil... An Entry to the Carbapenem Antibiotic Scaffold via the Asymmetric Kinugasa Reaction [作者：MACIEJKO MAGDALENA; STECKO SEBASTIAN; STASZEWSKAKRAJEWSKA OLGA; JURCZAK MARGARITA; FURMAN BARTLOMIEJ; CHMIELEWSKI MAREK,期刊：Synthesis, 页码：2825-2839 , 文章类型： Article，,卷期：2012年44-18] The copper(I)-mediated reaction between five-membered cyclic nitrones and terminal acetylenes, leading to the assembly of the basic skeleton of carbapenem antibiotics is described. The diastereoselectivity of this cycloa... Towards an Efficient Preparation of Hydromorphone [作者：CSUK RENE; VASILEVA GALINA; BARTHEL ALEXANDER,期刊：Synthesis, 页码：2840-2842 , 文章类型： Article，,卷期：2012年44-18] Dihydromorphone was prepared from morphine in high yield, excellent purity, and low residual metal content. The key steps used palladium on porous glass and a modified Oppenauer oxidation, or Wilkinson's catalyst. Functionalized Cyclopropenes and Methylenecyclopropenes from Dianions of 3-Hydroxymethylcyclopropenes [作者：HASSINK MATTHEW D; FOX JOSEPH M,期刊：Synthesis, 页码：2843-2850 , 文章类型： Article，,卷期：2012年44-18] 1,2-Disubstituted 3-hydroxymethylcyclopropene derivatives have been synthesized by reacting the dianions of 1-alkyl-3-hydroxymethylcyclopropenes with a range of electrophiles. Additionally, a complementary procedure is d... Aziridine-2-carboxaldehyde Dimers Undergo Homo-Ugi 4-Component-5-center Reactions [作者：ROTSTEIN BENJAMIN H; YUDIN ANDREI K,期刊：Synthesis, 页码：2851-2858 , 文章类型： Article，,卷期：2012年44-18] Dimeric alpha-aziridine aldehydes have been used as the aldehyde component in Ugi and Passerini reactions. The highly reactive mixed anhydride intermediate is subject to nucleophilic attack by the aziridine, leading to '... Practical Synthesis of 3-Oxa-6-azabicyclo[3.1.1]heptane Hydrotosylate; A Novel Morpholine-Based Building Block [作者：WALKER DANIEL P; EKLOV BRIAN M; BEDORE MATTHEW W,期刊：Synthesis, 页码：2859-2862 , 文章类型： Article，,卷期：2012年44-18] Bridged bicyclic morpholines are important building blocks in medicinal chemistry research. The bicyclic morpholine 3-oxa-6-azabicylo[3.1.1]heptane (3a) is of particular interest as a morpholine isostere because it is ac... D-Allal- and D-Galactal-Derived Vinyl N-Mesylaziridines: Regio- and Stereoselectivity in Addition Reactions of O-, C-, N-, and S-Nucleophiles [作者：DI BUSSOLO VALERIA; FRAU ILEANA; PINESCHI MAURO; CROTTI PAOLO,期刊：Synthesis, 页码：2863-2871 , 文章类型： Article，,卷期：2012年44-18] The regioselectivity and stereoselectivity were examined of the addition reactions of O-, C-, N-and S-nucleophiles to D-allal- and D-galactal-derived N-mesylaziridines. The ratio of 1,4-regioselectivity (exclusive syn-1,... Unraveling the Synthetic Utility of the Regio- and Stereoselective Lithiation of Aziridines [作者：FLORIO SAVERIO,期刊：Synthesis, 页码：2872-2884 , 文章类型： Article，,卷期：2012年44-18] The chemistry and synthetic utility of lithiated aziridines are discussed. Lithiated aziridines can be easily generated and captured by electrophiles, leading to more highly functionalized derivatives. Nitrogen dynamics ... Palladium-Catalyzed Carbonylation with Mo(CO)(6) for the Synthesis of Benzoylacetonitriles [作者：PYO AYOUNG; PARK AHBYEOL; JUNG HYUN MIN; LEE SUNWOO,期刊：Synthesis, 页码：2885-2888 , 文章类型： Article，,卷期：2012年44-18] Benzoylacetonitriles were synthesized by the palladium-catalyzed carbonylation of aryl iodides and trimethylsilylacetonitrile using Mo(CO)(6) as a carbon monoxide source. Pd(PPh3)Cl-2 and CuF2 were employed as the cataly... Asymmetric Syntheses of All Stereoisomers of 3-Hydroxyproline; A Constituent of Several Bioactive Compounds [作者：KUMAR TOGAPUR PAVAN; CHANDRASEKHAR SRIVARI,期刊：Synthesis, 页码：2889-2894 , 文章类型： Article，,卷期：2012年44-18] Synthesis of an unusual beta-hydroxy-alpha-amino acid, 3-hydroxyproline, and its derivatives have been achieved enantioselectively by employing Sharpless asymmetric epoxidation and reductive cyclization as the key steps.... Palladium-Catalyzed Routes to Geranylated or Farnesylated Phenolic Stilbenes: Synthesis of Pawhuskin C and Schweinfurthin J [作者：SINGH MANDEEP; ARGADE NARSHINHA P,期刊：Synthesis, 页码：2895-2902 , 文章类型： Article，,卷期：2012年44-18] Starting from double MOM-protected phloroglucinol, the facile total syntheses of bioactive natural products pawhuskin C and schweinfurthin J were accomplished in good overall yields. The Heck, Stille, or Suzuki coupling ... A Simple and Effective Synthesis of Benzolactones and Benzolactams by Noncatalytic Benzylic Oxidation of Cyclic Benzylic Ethers and N-Protected Cyclic Benzylic Amines with Sodium Chlorite as an Oxidant [作者：SONG AIRU; YU JUN; ZHANG CHI,期刊：Synthesis, 页码：2903-2909 , 文章类型： Article，,卷期：2012年44-18] Sodium chlorite (NaClO2) was shown to be capable of oxidizing cyclic benzylic ethers and N-protected cyclic benzylic amines in a heterogeneous solvent system of 1,1,1-trichloroethane and water at 55-65 degrees C to give ... One-Pot Synthesis of Pyranocarbazoles by Ethylenediamine Diacetate Catalyzed Domino Aldol-Type Reaction/6 pi-Electrocyclization of Hydroxycarbazoles to alpha,beta-Unsaturated Aldehydes and Conversion into Other Pyranocarbazoles [作者：PANDIT RAMESHWAR PRASAD; LEE YONG ROK,期刊：Synthesis, 页码：2910-2918 , 文章类型： Article，,卷期：2012年44-18] A new synthetic route for biologically interesting pyranocarbazoles was developed by reaction of 2- or 4-hydroxycarbazole with alpha,beta-unsaturated aldehydes in the presence of ethylenediamine diacetate (EDDA). The key... Synthesis of 2,4-Bis(aryloxy)-1,5-diarylpentane-1,5-diones by Base-Mediated Tandem Reaction [作者：SONG RENJIE; LIU YANYUN; WU JICHENG; LIU YU; DENG GUOBO; QI XIAOXU; XIE YEXIANG; GONG LUBIN; LIU WEI; LI JINHENG,期刊：Synthesis, 页码：2919-2925 , 文章类型： Article，,卷期：2012年44-18] A new, practical, base-mediated method has been developed for the synthesis of 2,4-bis(aryloxy)-1,5-diarylpentane-1,5-diones by a tandem alpha-methylenation-Michael reaction through activation of two C-Cl bonds. This met... 17 alpha-Ethynylestradiol Peptide Labeling by 'Click' Chemistry [作者：BOLSHAKOV OLEG I; LEBEDYEVA IRYNA O; KATRITZKY ALAN R,期刊：Synthesis, 页码：2926-2932 , 文章类型： Article，,卷期：2012年44-18] A synthesis of 17 alpha-ethynylestradiol-labeled native peptides is reported. The peptide moiety is tethered to the steroid hormone by a 1,2,3-triazole bridge formed by a CuAAC reaction in which the azido group of the pe... A One-Pot Umpolung Method for Preparation of alpha-Aryl Nitriles from alpha-Chloro Aldoximes via Organocuprate Additions to Transient Nitrosoalkenes [作者：SENGUPTA RITOBROTO; WEINREB STEVEN M,期刊：Synthesis, 页码：2933-2937 , 文章类型： Article，,卷期：2012年44-18] Conjugate addition of a variety of aryl lithiocyanocuprates to nitrosoalkenes generated from alpha-chloro aldoximes, followed by in situ dehydration of the crude alpha-aryl aldoxime product with N,N'-dicyclohexylcarbodii...