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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80条记录   Topochemical Polymerization of a Diarylbutadiyne Derivative in the Gel and Solid States [作者：NEABO JULES ROMEO; TOHOUNDJONA KESHIA IMELDA SIKA; MORIN JEANFRANCOIS,期刊：Organic Letters, 页码：1358-1361 , 文章类型： Article，,卷期：2011年13-6] A diarylbutadiyne derivative was synthesized using a few steps and gelified in aromatic solvents. The gel prepared at low concentration is made of micrometers-long nanofibrils as shown by scanning electron microscopy. XR... A Highly Selective Pyrophosphate Sensor Based on ESIPT Turn-On in Water [作者：CHEN WEIHUA; XING YU; PANG YI,期刊：Organic Letters, 页码：1362-1365 , 文章类型： Article，,卷期：2011年13-6] Pyrophosphate (PPi) is a biologically important target. A binuclear system 3 circle 2Zn is found to selectively recognize PPi, leading to a ratiometric fluorescent sensor at pH 7.4 in water. The binding event triggered a... Efficient Monophosphorus Ligands for Palladium-Catalyzed Miyaura Borylation [作者：TANG WENJUN; KESHIPEDDY SANTOSH; ZHANG YONGDA; WEI XUDONG; SAVOIE JOLAINE; PATEL NITINCHANDRA D; YEE NATHAN K; SENANAYAKE CHRIS H,期刊：Organic Letters, 页码：1366-1369 , 文章类型： Article，,卷期：2011年13-6] In combination with the Bedford Pd precursor, the new biaryl monophosphorus ligand 5 was efficient for palladium-catalyzed Miyaura borylation of sterically hindered aryl bromides at low catalyst loadings. Rh(I)-Catalyzed Ring-Opening of Hetaryne-furan Diels-Alder Adducts: Rapid Access to Stereochemically Defined Heterocyclic Scaffolds [作者：NGUYEN TRUNG D; WEBSTER ROBERT; LAUTENS MARK,期刊：Organic Letters, 页码：1370-1373 , 文章类型： Article，,卷期：2011年13-6] Probing the nucleophilic ring-opening of various bicyclic [2.2.1] hetaryne-furan Diels-Alder adducts revealed that efficient reactivity could be observed with heteroatom nucleophiles by using a cationic Rh(I) complex in ... Decarbonylative Cycloaddition of Phthalic Anhydrides with Allenes [作者：OCHI YOSUKE; KURAHASHI TAKUYA; MATSUBARA SEIJIRO,期刊：Organic Letters, 页码：1374-1377 , 文章类型： Article，,卷期：2011年13-6] The decarbonylative cycloadditions of phthalic anhydrides with allenes were performed by using nickel catalyst. The asymmetric variant of the cycloaddition was also achieved by using chiral phosphine ligands to provide d... Double C-H Activation: The Palladium-Catalyzed Direct C-Arylation of Xanthines with Arenes [作者：MALAKAR CHANDI C; SCHMIDT DIETMAR; CONRAD JUERGEN; BEIFUSS UWE,期刊：Organic Letters, 页码：1378-1381 , 文章类型： Article，,卷期：2011年13-6] The novel Pd-catalyzed C(sp(2))-H/C(sp(2)) H cross-coupling of unactivated xanthines with unactivated arenes utilizing a combination of Ag(I) and O-2 as oxidants exclusively yields C-8 arylated xanthines in a single synt... Diversity-Oriented Approach to Pyrrole-Imidazole Alkaloid Frameworks [作者：BHANDARI MANOJKUMAR R; YOUSUFUDDIN MUHAMMED; LOVELY CARL J,期刊：Organic Letters, 页码：1382-1385 , 文章类型： Article，,卷期：2011年13-6] An exploration of imidazolylpropargyl amides as linchpin synthons for the construction of a diverse array of heterocyclic frameworks, many of which are related to those found in the oroidin derived alkaloids, is describe... Synthetic Studies toward A-74528 [作者：HAGER ANASTASIA; MAZUNIN DMITRY; MAYER PETER; TRAUNER DIRK,期刊：Organic Letters, 页码：1386-1389 , 文章类型： Article，,卷期：2011年13-6] A potentially biomimetic approach toward the complex polyketide A-74528 is described. It is based on highly substituted biaryl compounds, synthesized using advanced cross-coupling and condensation methodologies. Probing the Role of the Mycosamine C2 '-OH on the Activity of Amphotericin B [作者：CROATT MITCHELL P; CARREIRA ERICK M,期刊：Organic Letters, 页码：1390-1393 , 文章类型： Article，,卷期：2011年13-6] A synthetic route to a mycosamine donor was designed and provided access to a set of AmB derivatives targeted to probe the effect of the C2 '-OH. It was determined that the configuration of the C2 ' position is inconsequ... CpRu-Catalyzed O-H Insertion and Condensation Reactions of alpha-Diazocarbonyl Compounds [作者：AUSTERI MARTINA; RIX DIANE; ZEGHIDA WALID; LACOUR JEROME,期刊：Organic Letters, 页码：1394-1397 , 文章类型： Article，,卷期：2011年13-6] [CpRu(CH3CN)(3)][PF6] and dilmine ligands catalyze together the decomposition of alpha-diazocarbonyl compounds leading to O-H insertion and condensation reactions. In comparison with Rh(II) and Cu(I) complexes, the CpRu ... Synthesis of alpha-Carbolines via Pd-Catalyzed Amidation and Vilsmeir-Haack Reaction of 3-Acetyl-2-chloroindoles [作者：KUMAR AREPALLI SATEESH; NAGARAJAN RAJAGOPAL,期刊：Organic Letters, 页码：1398-1401 , 文章类型： Article，,卷期：2011年13-6] A new class of a-carboline derivatives has been synthesized by Pd-2(dba)(3)/BINAP catalyzed amidatIon of 3-acetyl-2-chloroindoles followed by a Vilsmeier-Haack reaction and is reported. The Imidato-Alkenyllithium Route for the Synthesis of the Isoquinocycline-Pyrrolopyrrole Substructure [作者：BREUNING M ANDRE; HARMS KLAUS; KOERT ULRICH,期刊：Organic Letters, 页码：1402-1405 , 文章类型： Article，,卷期：2011年13-6] A convergent and effective synthesis of the pyrrolopyrrole substructure (CDEFG) of the Isoquinocyclines Is reported. A key step is a tin lithium exchange of an imidato-alkenyltin compound (a ring G equivalent) and the su... Rubesanolides A and B: Diterpenoids from Isodon rubescens [作者：ZOU JUAN; PAN LUTAI; LI QIJI; ZHAO JUNHUA; PU JIANXIN; YAO PING; GONG NINGBO; LU YANG; KONDRATYUK TAMARA P; PEZZUTO JOHN M; FONG HARRY H S; ZHANG HONGJIE; SUN HANDONG,期刊：Organic Letters, 页码：1406-1409 , 文章类型： Article，,卷期：2011年13-6] From the medicinal plant Isodon rubescens, we isolated two novel diterpenes, rubesanolides A (1) and B (2). The compounds contain a unique beta-lactone subgroup. This is the first discovery for a natural diterpene having... Linear Fused Dithieno [2,3-b:3 ' 2 '-d]-thiophene Diimides [作者：HONG WEI; YUAN HAIHONG; LI HONGXIANG; YANG XIAODI; GAO XIKE; ZHU DAOBEN,期刊：Organic Letters, 页码：1410-1413 , 文章类型： Article，,卷期：2011年13-6] Linear fused dithieno[2,3-b:3 ' 2 '-d]thiophene dilmides (DTTDIs, 1-4) were synthesized. Physicochemical investigations suggested that these diimides might be used as potential n-channel organic semiconductors. Single-cr... Shorter Synthesis of Trifunctionalized Crytophane-A Derivatives [作者：TARATULA OLENA; HILL P ARU; BAI YUBIN; KHAN NAJAT S; DMOCHOWSKI IVAN J,期刊：Organic Letters, 页码：1414-1417 , 文章类型： Article，,卷期：2011年13-6] Efficient syntheses of trisubstituted cryptophane-A derivatives that are versatile host molecules for many applications are reported. Trihydroxy cryptophane was synthesized in six or seven steps with yields as high as 9.... Synthetic Studies on Indolocarbazoles: Total Synthesis of Staurosporine Aglycon [作者：RAJESHWARAN GANESAN GOBI; MOHANAKRISHNAN ARASAMBATTU K,期刊：Organic Letters, 页码：1418-1421 , 文章类型： Article，,卷期：2011年13-6] A synthesis of staurosporine aglycon and its analogs was achieved in a 28-36% overall yield starting from 2-methylindole. The prominent key steps for the synthesis of the Indolocarbazole alkaloids involved electrocycliza...