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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25条记录   A Photo Touch on Amines: New Synthetic Adventures of Nitrogen Radical Cations [作者：MAITY SOUMITRA; ZHENG NAN,期刊：SYNLETT, 页码：1851-1856 , 文章类型： Article，,卷期：2012年-13] Amines have been used as sacrificial electron donors to reduce photoexcited Ru(II) or Ir(III) complexes, during which they are oxidized to nitrogen radical cations. Recently, the synthetic potential of these nitrogen rad... Stereocontrol Strategies in the Asymmetric Bioreduction of Alkenes [作者：OBERDORFER GUSTAV; GRUBER KARL; FABER KURT; HALL MELANIE,期刊：SYNLETT, 页码：1857-1864 , 文章类型： Article，,卷期：2012年-13] The asymmetric bioreduction of prochiral conjugated alkenes using ene-reductases allows powerful strategies to access both enantiomers of the product with high stereoselectivity. This may be achieved (i) by using pairs o... Asymmetric Cyanation with the Chiral Ru-Li Combined Catalysts [作者：OHKUMA TAKESHI; KURONO NOBUHITO,期刊：SYNLETT, 页码：1865-1881 , 文章类型： Article，,卷期：2012年-13] The combined systems of phenylglycinate/BINAP/Ru(II) complex and Li compounds have been found to act as highly reactive and enantioselective catalysts for cyanosilylation and hydrocyanation of aldehydes, alpha-keto ester... Total Synthesis of (+/-)-Dragmacidin E; Problems Solved and Lessons Learned [作者：FELDMAN KEN S; NGERNMEESRI PAIBOON,期刊：SYNLETT, 页码：1882-1892 , 文章类型： Article，,卷期：2012年-13] (+/-)-Dragmacidin E was synthesized in 25 steps from commercially available 7-(benzyloxy) indole. Key transformations in the preparation of this sponge metabolite include (a) a Witkop cyclization to establish the bridgin... Novel One-Pot Synthesis of Thiophenols from Related Triazenes under Mild Conditions [作者：KHAZAEI ARDESHIR; KAZEMROSTAMI MASOUD; MOOSAVIZARE AHMAD REZA; BAYAT MOHAMMAD; SAEDNIA SHAHNAZ,期刊：SYNLETT, 页码：1893-1896 , 文章类型： Article，,卷期：2012年-13] In this work, at first, triazenes were synthesized from primary aryl amines. Afterwards, triazenes were converted into the corresponding thiophenols in one-pot using sodium sulfide in acidic media, by in situ generation ... Molecular Clip Based on Diphenylglycoluril and Catechol: Promising Building Block of Supramolecular Structures [作者：KIKOT LEONID S; LYAPUNOV ALEXANDER YU; ZUBATYUK ROMAN I; SHISHKIN OLEG V; KIRICHENKO TATIANA I,期刊：SYNLETT, 页码：1897-1900 , 文章类型： Article，,卷期：2012年-13] A new diphenylglycoluril-based molecular clip containing catechol moieties was synthesized using protection-deprotection protocol. The structure and conformation of the new molecular clip and its methoxy precursor were f... [3+2] Cycloaddition of Masked o-Benzoquinones with Azomethine Ylides [作者：CHITTIMALLA SANTHOSH KUMAR; KUPPUSAMY RAJESH; CHAKRABARTI ANJAN,期刊：SYNLETT, 页码：1901-1906 , 文章类型： Article，,卷期：2012年-13] A simple and efficient access to highly functionalized isoindolone derivatives via a [3+2] cycloaddition process between in situ generated azomethine ylides with various stable (isolable) masked o-benzoquinones is descri... Mono- and Biscouplings Using Triarylbismuths for the Atom-Efficient Arylations of Functionalized Furans under Palladium Catalysis [作者：RAO MADDALI L N; AWASTHI DHEERAJ K; TALODE JALINDAR B,期刊：SYNLETT, 页码：1907-1912 , 文章类型： Article，,卷期：2012年-13] Palladium-catalyzed cross-coupling reactions of functionalized bromofurans with triarylbismuths have been described for the atom-economic synthesis of functionalized arylfuran systems. The coupling reactions using triary... Setyternthesis of N-Urethane Protected alpha-Aminoalkyl-alpha '-cyanomethyl Ketones; Application to the Synthesis of 3-Substituted 5-Amino-1H-pyrazole Tethered Peptidomimetics [作者：SHARNBAI M K; NAGENDRA G; SURESHBABU VOMMINA V,期刊：SYNLETT, 页码：1913-1918 , 文章类型： Article，,卷期：2012年-13] The preparation of N-protected amino/peptide alpha-cyanomethyl ketones through cyanation of the corresponding alpha-bromomethyl ketones is described. The utility of the resulting acyanomethyl ketones in the synthesis of ... A Three-Component, One-Pot, Sequential Synthesis of a Common Tetrasaccharide Block Related to the Lipopolysaccharide of the Escherichia Coli O9, Klebsiella pneumonia O3, and Hafnia alvei PCM 1223 [作者：MAITY SAJAL KUMAR; GHOSH RINA,期刊：SYNLETT, 页码：1919-1922 , 文章类型： Article，,卷期：2012年-13] An expeditious three-component, one-pot, sequential synthesis of a common block tetrasaccharide fragment Manp(1 -> 3)-Manp-(1 -> 2)-Manp-(1 -> 2)-Manp related to the pentasaccharide repeating unit of the O-antigen of Esc... General Synthetic Approach to 2-Phenolic Adenine Derivatives [作者：CORREIA CARLA; ALICE CARVALHO M; ROCHA ASHLY; FERNANDA PROENCA M,期刊：SYNLETT, 页码：1923-1926 , 文章类型： Article，,卷期：2012年-13] A simple and general 'one-pot' procedure for the synthesis of 2,9-diarylpurines with one or multiple hydroxyl groups in the 2-aryl unit is described, from the reaction of 5-amino-4-amidinoimidazoles with phenolic aldehyd... An Improved Synthesis of Hydroxy Aryl Ketones by Fries Rearrangement with Methanesulfonic Acid/Methanesulfonic Anhydride [作者：JEON INGYU; MANGION IAN K,期刊：SYNLETT, 页码：1927-1930 , 文章类型： Article，,卷期：2012年-13] Methanesulfonic acid treated with methanesulfonic anhydride effectively mediates the Fries rearrangement of aryl esters to give hydroxy aryl ketones with high yields. Phenylboronic Acid as Efficient and Eco-Friendly Catalyst for the One-Pot, Three-Component Synthesis of alpha-Aminophosphonates under Solvent-Free Conditions [作者：TIBHE GAURAO D; BEDOLLAMEDRANO MERCEDES; CATIVIELA CARLOS; ORDONEZ MARIO,期刊：SYNLETT, 页码：1931-1936 , 文章类型： Article，,卷期：2012年-13] A simple, mild, and efficient one-pot, three-component synthetic method has been developed for the preparation of alpha-aminophosphonates using phenylboronic acid as catalyst under solventfree conditions at 50 degrees C.... Synthesis, Antibacterial Activity and Cytotoxicity of Novel Janus Peptide Dendrimers [作者：PAN JUNZHU; GUO LI; OUYANG LIANG; YIN DONGQIN; ZHAO YI,期刊：SYNLETT, 页码：1937-1940 , 文章类型： Article，,卷期：2012年-13] In an attempt to find new antibacterial agents, a series of well-defined Janus peptide dendrimers, which feature multiple anionic groups and amphiphilic structure, were synthesized and characterized in detail. The antiba... Room-Temperature Stille Coupling of Tetraarylstannanes via Palladium-Catalyzed C-H Activation [作者：XUE DONG; LI JING; LIU YUXIA; HAN WENYONG; ZHANG ZUNTING; WANG CHAO; XIAO JIANLIANG,期刊：SYNLETT, 页码：1941-1946 , 文章类型： Article，,卷期：2012年-13] An effective room-temperature Stille cross-coupling of aryl ureas with tetraarylstannanes via palladium-catalyzed C-H bond activation is reported, providing a mild method for direct arylation of aromatic C-H bonds. Ti(Oi-Pr)(4)-Promoted Regio- and Stereoselective Aminolysis of 2,3-Epoxy Amides [作者：RIGHI GIULIANA; MANTINEO AGNESE; SUBER LORENZA; MARI ALESSANDRA,期刊：SYNLETT, 页码：1947-1949 , 文章类型： Article，,卷期：2012年-13] A mild and inexpensive Ti(Oi-Pr)(4)-mediated aminolysis of 2,3-epoxy amides has been developed. The reaction proceeds with excellent regioselectivity, regardless of the steric hindrance of the substituents on the heteroc...