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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   Novel Silver Tetrafluoroborate Catalyzed Electrophilic Cascade Cyclization Reaction: A Facile Approach to the Synthesis of Halo-Substituted Benzo[a]fluorenols [作者：CHEN ZHIYUAN; ZENG MENGJING; YUAN JIANJUN; YANG QIN; PENG YIYUAN,期刊：Organic Letters, 页码：3588-3591 , 文章类型： Article，,卷期：2012年14-14] A facile and novel silver tetrafluoroborate catalyzed electrophilic cascade cyclization reaction to generate halo-substituted benzo[a]fluorenols under mild conditions is disclosed. Good chemical selectivity and mild reac... 3,4-Dihydroxypyrrolidines via Modified Tandem Aza-Payne/Hydroamination Pathway [作者：KULSHRESTHA AMAN; MARZIJARANI NASTARAN SALEHI; ASHTEKAR KUMAR DILIP; STAPLES RICHARD; BORHAN BABAK,期刊：Organic Letters, 页码：3592-3595 , 文章类型： Article，,卷期：2012年14-14] The outcome of a tandem aza-Payne/hydroamination reaction is modified via the use of a latent nucleophile. The latter initially serves as an electrophile to intercept the aziridine alkoxide and afterward turns into a nuc... Divergent Construction of Nitrogen-Containing Polycyclic Compounds with a Dearomatization Strategy [作者：WANG LINFEI; FAN RENHUA,期刊：Organic Letters, 页码：3596-3599 , 文章类型： Article，,卷期：2012年14-14] The oxidative dearomatization of para-substituted o-alkynylanilines afforded 2-alkynyl cyclohexadienimines, which can act as active substrates for reaction with electron-rich styrenes. The reaction is metal-controlled. B... Biomimetic Asymmetric Synthesis of (R)-GTRI-02 and (3S,4R)-3,4-Dihydroxy-3,4-dihydronaphthalen-1(2H)-ones [作者：HUSAIN SYED MASOOD; SCHAETZLE MICHAEL A; ROEHR CAROLINE; LUEDEKE STEFFEN; MUELLER MICHAEL,期刊：Organic Letters, 页码：3600-3603 , 文章类型： Article，,卷期：2012年14-14] The NADPH-dependent tetrahydroxynaphthalene reductase (T4HNR) from Magnaporthe grisea was used for the biomimetic synthesis of (R)-GTRI-02 by stereoselective reduction of 1-(3,6,8-trihydroxy-1-methylnaphthalen-2-yl)ethan... Total Synthesis of (-)-FR901483 [作者：MA AIJUN; TU YONGQIANG; PENG JINBAO; DOU QINGYUN; HOU SIHUA; ZHANG FUMIN; WANG SHAOHUA,期刊：Organic Letters, 页码：3604-3607 , 文章类型： Article，,卷期：2012年14-14] A total synthesis of the immunosuppressive alkaloid (-)-FR901483 (1) has been described. The intriguingly azatricyclic structure of 1 was constructed by the semipinacol-type rearrangement and intramolecular Schmidt react... Divergent Stereocontrol of Acid Catalyzed Intramolecular Aldol Reactions of 2,3,7-Triketoesters: Synthesis of Highly Functionalized Cyclopentanones [作者：PHONG TRUONG; SHANAHAN CHARLES S; DOYLE MICHAEL P,期刊：Organic Letters, 页码：3608-3611 , 文章类型： Article，,卷期：2012年14-14] The intramolecular acid catalyzed aldol cyclization of 2,3,7-triketoesters formed from zeta-keto-alpha-diazo-beta-ketoesters provides highly functionalized cyclopentanones with good diastereoselectivity in high overall y... Dihydrophenanthrene-Based Metal-Free Dyes for Highly Efficient Cosensitized Solar Cells [作者：LIN RYAN YEHYUNG; YEN YUNGSHENG; CHENG YUNGTSE; LEE CHUANPEI; HSU YINGCHAN; CHOU HSIENHSIN; HSU CHIHYU; CHEN YUNGCHUNG; LIN JIANN T; HO KUOCHUAN; TSAI CHIITANG,期刊：Organic Letters, 页码：3612-3615 , 文章类型： Article，,卷期：2012年14-14] Metal-free dyes (BP-1 to BP-3) containing a 9,10-dihydrophenanthrene unit in the spacer have been synthesized. The dye with the highest cell efficiency, BP-2, was used in combination with SQ2 for cosensitized DSSCs. The ... Electronic Effect Directed Au(I)-Catalyzed Cyclic C2-H Bond Functionalization of 3-Allenylindoles [作者：CHEN BO; FAN WU; CHAI GUOBI; MA SHENGMING,期刊：Organic Letters, 页码：3616-3619 , 文章类型： Article，,卷期：2012年14-14] Gold-catalyzed cyclization reactions of indoles with an electron-deficient allene at the 3-position led to formation of dihydrocyclopenta[b]indole derivatives in moderate to excellent yields via C2-H bond functionalizati... Copper-Catalyzed Aerobic Oxidation of N-Substituted Hydroxylamines: Efficient and Practical Access to Nitroso Compounds [作者：FRAZIER CHARLES P; BUGARIN ALEJANDRO; ENGELKING JARRED R; DE ALANIZ JAVIER READ,期刊：Organic Letters, 页码：3620-3623 , 文章类型： Article，,卷期：2012年14-14] A general and efficient aerobic oxidation of N-substituted hydroxylamines is described. The mild reaction conditions employed provide a catalytic and sustainable alternative to stoichiometric oxidation methods to gain ac... Bifunctional Homoallylic Carbamates from Chiral Silane Additions to in Situ Generated N-Acyl Iminium Ions [作者：WU JIE; ZHU KAICHENG; YUAN PINGWEI; PANEK JAMES S,期刊：Organic Letters, 页码：3624-3627 , 文章类型： Article，,卷期：2012年14-14] Homoallylic carbamates bearing an alpha,beta-unsaturated ester or an allylic carbonate were generated respectively utilizing novel chiral silanes through Lewis acid promoted asymmetric aminocrotylation. Those bifunctiona... Unprecedented Meta-Substitution of Calixarenes: Direct Way to Inherently Chiral Derivatives [作者：SLAVIK PETR; DUDIC MIROSLAV; FLIDROVA KAROLINA; SYKORA JAN; CISAROVA IVANA; BOEHM STANISLAV; LHOTAK PAVEL,期刊：Organic Letters, 页码：3628-3631 , 文章类型： Article，,卷期：2012年14-14] Electrophilic aromatic substitution in the calix[n]arene series is a well-established procedure leading exclusively to para-substituted derivatives. An unprecedented regioselectivity of the mercuration reaction leading t... Access to the Pactamycin Core via an Epoxide Opening Cascade [作者：HAUSSENER TRAVIS J; LOOPER RYAN E,期刊：Organic Letters, 页码：3632-3635 , 文章类型： Article，,卷期：2012年14-14] A synthetic strategy to establish five contiguous stereocenters, in a stereocontrolled manner, on the core structure of pactamycin is described. This sequence exploits the use of a Lewis acid mediated epoxide opening cas... Tetrastyryl-BODIPY-Based Dendritic Light Harvester and Estimation of Energy Transfer Efficiency [作者：KOSTERELI ZIYA; OZDEMIR TUGBA; BUYUKCAKIR ONUR; AKKAYA ENGIN U,期刊：Organic Letters, 页码：3636-3639 , 文章类型： Article，,卷期：2012年14-14] Versatile BODIPY dyes can be transformed into bright near-IR-emitting fluorophores by quadruple styryl substitutions. When clickable functionalities on the styryl moieties are inserted, an efficient synthesis of a light ... New Synthetic Routes to Z-Shape Functionalized Perylenes [作者：RAO BILLA BHARGAVA; WEI JUNRU; LIN CHIHHSIU,期刊：Organic Letters, 页码：3640-3643 , 文章类型： Article，,卷期：2012年14-14] Z-shape (1,2,7,8-tetrasubstituted) perylene derivatives are novel chromophores with great potential in various applications. Yet, the synthetic entry into this class of molecules is hitherto quite limited. In this commun... Ethyl Cyanoacetate: A New Cyanating Agent for the Palladium-Catalyzed Cyanation of Aryl Halides [作者：ZHENG SHUYAN; YU CHUNHUI; SHEN ZHENGWU,期刊：Organic Letters, 页码：3644-3647 , 文章类型： Article，,卷期：2012年14-14] A new Pd-catalyzed cyanation reaction has been discovered using ethyl cyanoacetate as the cyanating reagent. A variety of electron-rich and electron-deficient aryl halides were efficiently converted into their correspond... Modular and Stereoselective Synthesis of Tetrasubstituted Helical Alkenes via a Palladium-Catalyzed Domino Reaction [作者：LIU HONGQIANG; ELSALFITI MOHAMED; CHAI DAVID I; AUFFRET JEREMY; LAUTENS MARK,期刊：Organic Letters, 页码：3648-3651 , 文章类型： Article，,卷期：2012年14-14] A highly modular and stereoselective synthesis of tetrasubstituted helical alkenes is accomplished by a Pd-catalyzed norbornene-mediated domino reaction. This protocol features the rapid assembly of four C-C bonds via se...