个性化文献订阅>文章检索

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32条记录   Kinetic and Thermodynamic Self-Sorting in Synthetic Systems [作者：OSOWSKA KAROLINA; MILJANIC OGNJEN S,期刊：SYNLETT, 页码：1643-1648 , 文章类型： Article，,卷期：2011年-12] Self-sorting represents the spontaneous transformation of a low-order multicomponent system into several high-order subsystems with fewer components. This elementary behavior is involved in many chemical self-organizatio... NHC-NiH Reactions with Simple Olefins: Advances in Hydroalkenylation, Polymerization, and Ionic-Liquid Synthesis [作者：HO CHUNYU; HE LISI; CHAN CHUNWA,期刊：SYNLETT, 页码：1649-1653 , 文章类型： Article，,卷期：2011年-12] Various NHC-NiH species have been developed as hydroalkenylation and polymerization catalysts and for ionic-liquid synthesis. This article outlines their key features and connections and highlights the opportunities for ... Cobalt(I)-Catalysed Reactions for the Synthesis of Acyclic 1,4-Dienes - Genesis of Two Synthetic Methods [作者：HILT GERHARD,期刊：SYNLETT, 页码：1654-1659 , 文章类型： Article，,卷期：2011年-12] The search for atom-economic carbon-carbon bond-forming reactions initiated by low-valent cobalt complexes has led to two reactions that generate acyclic 1,4-dienes: the 1,4-hydrovinylation reaction of a terminal alkene ... Asymmetric Organocatalyzed Direct Aldol Additions of Enolizable Aldehydes [作者：SCHEFFLER ULF; MAHRWALD RAINER,期刊：SYNLETT, 页码：1660-1667 , 文章类型： Article，,卷期：2011年-12] The enantioselective direct cross-aldol addition between enolizable aldehydes is of great importance because this transformation provides access to configurationally defined beta-hydroxyaldehydes. These products in turn ... Efficient Synthesis of Tetrahydroxylated Pyrrolizidines by Nitrone Cycloaddition Leading to Unnatural Stereoisomers of 7-Deoxycasuarine [作者：PODOLAN GABRIEL; KLESCIKOVA LUCIA; FISERA LUBOR; KOZFSEK JOZEF; FRONC MAREK,期刊：SYNLETT, 页码：1668-1672 , 文章类型： Article，,卷期：2011年-12] A convenient and efficient method has been used for the synthesis of ten new tetrahydroxylated pyrrolizidines 12a, b, 13a-c, 14a, b, and 15a-c starting from sugar-derived cyclic nitrones prepared from D-xylose, D-arabino... Total Synthesis and Cytotoxicity Evaluation of an Oxazole Analogue of Tubulysin U [作者：SREEJITH SHANKAR P; SANI MONICA; SAUNDERS FIONA R; WALLACE HEATHER M; ZANDA MATTEO,期刊：SYNLETT, 页码：1673-1676 , 文章类型： Article，,卷期：2011年-12] Tubulysins are strongly cytotoxic natural tetrapeptides with potent antiproliferative, antimitotic, and antiangiogenic activities which might find use in oncology. We herein report the first total synthesis of a stereois... An Efficient, Simple, and Scaleable Domino Reaction to Diverse N-(1-Oxo-1H-inden-2-yl)benzamides Catalyzed by HPW@nano-SiO(2) under Microwave Irradiation [作者：ROSTAMI MAHBOUBEH; KHOSROPOUR AHMAD R; MIRKHANI VALIOLLAH; MOHAMMADPOORBALTORK IRAJ; MOGHADAM MAJID; TANGESTANINEJAD SHAHRAM,期刊：SYNLETT, 页码：1677-1682 , 文章类型： Article，,卷期：2011年-12] A facile, efficient, and large-scale strategy for the synthesis of N-(1-oxo-1H-inden-2-yl)benzamide derivatives via domino reaction between aryl aldehydes, hippuric acid, and acetic anhydride catalyzed by HPW@nano-SiO(2)... Synthesis of 1-Pentafluorosulfanyl-1,3-Dienes [作者：HUSSTEDT WIBKE S; THRASHER JOSEPH S; HAUFE GUENTER,期刊：SYNLETT, 页码：1683-1686 , 文章类型： Article，,卷期：2011年-12] A series of pentafluorosulfanyl-substituted dienes has been synthesized from 3-pentafluorosulfanyl-prop-2-enal employing either Grignard reactions with subsequent dehydration or by oxidation of 1-pentafluorosulfanyl-alk-... One-Pot Synthesis of Cationic Amphiphiles from n-Alcohols and Allyl Alcohols [作者：NARENDER TADIGOPPULA; MADHUR GAURAV; DHARAMSHEELA; REDDY K PAPI; SARKAR S; SARKAR J; TRIPATHI R K,期刊：SYNLETT, 页码：1687-1692 , 文章类型： Article，,卷期：2011年-12] A novel, efficient one-pot method has been developed to synthesize amphiphiles such as N-alkylated/N-allylated triethylamines and pyridinium salts for the first time from n-alcohols and naturally occurring terpenes (ally... Phosphine-Catalyzed [3+2] Annulation of Cyanoallenes [作者：KINDERMAN SAPE S; VAN MAARSEVEEN JAN H; HIEMSTRA HENK,期刊：SYNLETT, 页码：1693-1696 , 文章类型： Article，,卷期：2011年-12] Cyanoallenes were successfully used in organophosphine-catalyzed [3+2]-type annulation to give cyano-substituted dihydropyrroles in good yield. Chiral phosphines were also screened, leading to some initial results in the... SiFA Azide: A New Building Block for PET Imaging Using Click Chemistry [作者：TIETZE LUTZ F; SCHMUCK KIANGA,期刊：SYNLETT, 页码：1697-1700 , 文章类型： Article，,卷期：2011年-12] We present a new highly potent building block for PET imaging based on silicon fluoride acceptors (SiFA) which can easily be coupled to bioactive compounds by means of click chemistry. Owing to a remarkable chemoselectiv... Investigation of Coupling Reactions for the Synthesis of Valienamine Pseudodisaccharides [作者：CUMPSTEY IAN; RAMSTADIUS CLINTON; BORBAS K ESZTER,期刊：SYNLETT, 页码：1701-1704 , 文章类型： Article，,卷期：2011年-12] Amine-linked pseudodisaccharides based on valienamine were synthesised by C-N bond-forming reactions between valienol-derived C-1 electrophiles and carbohydrate nitrogen nucleophiles. Palladium-catalysed coupling with tr... Pyrrolo[2,3-d]pyrimidine-Core-Extended pi-Systems: Synthesis of 2,4,7-Triarylpyrrolo[2,3-d]pyrimidines [作者：TUMKEVICIUS SIGITAS; DODONOVA JELENA,期刊：SYNLETT, 页码：1705-1708 , 文章类型： Article，,卷期：2011年-12] A simple and facile synthesis of novel fluorescent pyrrolo[2,3-d]pyrimidines with various aryl and heteroaryl assemblies in positions 2, 4, and 7 of the heterocycle by combination of the Suzuki cross-coupling and copper(... A Mild One-Pot Method for Conversion of Various Steroidal Secondary Alcohols into the Corresponding Olefins [作者：KUMAR RAJU RANJITH; HAVELI SHRUTISAGAR DATTATRAYA; KAGAN HENRI B,期刊：SYNLETT, 页码：1709-1712 , 文章类型： Article，,卷期：2011年-12] The addition of Tf(2)O to some hydroxy steroids in the presence of excess base directly leads to steroidal olefins. This methodology is useful for the one-pot synthesis of Delta(2)- or Delta(3)-steroids under mild condit... A Ligand-Free Copper-Catalyzed Decarboxylative Trifluoromethylation of Aryliodides with Sodium Trifluoroacetate Using Ag(2)O as a Promoter [作者：LI YAMING; CHEN TAO; WANG HUIFENG; ZHANG RONG; JIN KUN; WANG XIUNA; DUAN CHUNYING,期刊：SYNLETT, 页码：1713-1716 , 文章类型： Article，,卷期：2011年-12] A practical and ligand-free Cu-catalyzed decarboxylative trifluoromethylation of aryl iodides with sodium trifluoroacetate using Ag(2)O as a promoter was reported. A variety of trifluoromethyl-substituted aromatics are s... Trapping of Oxonium Ylides with Michael Acceptors: Highly Diastereoselective Three-Component Reactions of Diazo Compounds with Alcohols and Benzylidene Meldrum's Acids/4-Oxo-enoates [作者：HAN XINGCHUN; GAN MINGHUA; QIU HUANG; JI JINGJING; ZHANG XIA; JIANG LIQING; HU WENHAO,期刊：SYNLETT, 页码：1717-1722 , 文章类型： Article，,卷期：2011年-12] Trapping of oxonium ylides with a number of Michael acceptors via a 1,4-addition fashion has been investigated. Benzylidene Meldrum's acids and 4-oxo-enoates have been found to be matched components as suitable Michael a...