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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   Synthesis and Reactivity of a Novel Class of Long-Lived Ammonium Ylides: Derivatives of Benzo[b]pyrrolo[2,1-f][1.6]naphthyridine. [作者：Voskressensky, Leonid G.;Vorobiev, Ilya V.;Borisova, Tatyana N.;Varlamov, Alexey V.;,期刊：Journal of Organic Chemistry, 页码：4596-4601 , 文章类型： 研究论文，,卷期：2008年73-12] Reaction of 10-cyanotetrahydrobenzo[b][1,6]naphthyridines I(R = H, Br, F, R1 = Me; R = H, F, NO2, R1 = iso-Pr) with activated alkynes affords stable benzo[b]pyrrolo[2,1-f][1,6]naphthyridin-4-ium ylides, e.g. II (R = H, B... Regioselective Synthesis and Structural Studies of Substituted g-Hydroxybutenolides with Use of a Tandem Baylis-Hillman/Singlet Oxygenation Reaction. [作者：Patil, Santoshkumar N.;Liu, Fei;,期刊：Journal of Organic Chemistry, 页码：4476-4483 , 文章类型： 研究论文，,卷期：2008年73-12] The scope and limitations of a regioselective synthesis of either a- or b-substituted g-hydroxybutenolides, e.g. I and II, from 3-furfural and enones are described. The sequence features a Baylis-Hillman reaction follow... Regiospecific One-Pot Synthesis of Diaryliodonium Tetrafluoroborates from Arylboronic Acids and Aryl Iodides. [作者：Bielawski, Marcin;Aili, David;Olofsson, Berit;,期刊：Journal of Organic Chemistry, 页码：4602-4607 , 文章类型： 研究论文，,卷期：2008年73-12] Diaryliodonium salts have recently received considerable attention as mild arylation reagents in org. synthesis. This paper describes a regiospecific, sequential one-pot synthesis of sym. and unsym. diaryliodonium tetra... Crystal Engineering for p-p Stacking via Interaction between Electron-Rich and Electron-Deficient Heteroaromatics. [作者：Chang, Yu-Chang;Chen, Yu-Da;Chen, Chih-Hsin;Wen, Yuh-Sheng;Lin, Jiann T.;Chen, Hsing-Yin;Kuo, Ming-Yu;Chao, Ito;,期刊：Journal of Organic Chemistry, 页码：4608-4614 , 文章类型： 研究论文，,卷期：2008年73-12] New dipolar compds. contg. alternating electron-rich thieno[3,2-b]thiophene units and electron deficient units have been synthesized. Compds. with 5-pyrimidinyl (I) or benzothiazole (II) as the electron-deficient unit w... Photoaddition Reactions of 1,2-Diketones with Silyl Ketene Acetals. [作者：Formation of b-Hydroxy-g-ketoesters. Cho, Dae Won;Lee, Hyang-Yeol;Oh, Sun Wha;Choi, Jung Hei;Park, Hea Jung;Mariano, Patrick S.;Yoon, Ung Chan;,期刊：Journal of Organic Chemistry, 页码：4539-4547 , 文章类型： 研究论文，,卷期：2008年73-12] Photochem. reactions taking place between 1,2-diketones and silyl ketene acetals and their excited state reaction mechanisms have been explored. Irradn. of benzene, acetone, or acetonitrile solns. contg. 1,2-diketones a... Structure-Based Drug Design: Exploring the Proper Filling of Apolar Pockets at Enzyme Active Sites. [作者：Zurcher, Martina;Diederich, Francois;,期刊：Journal of Organic Chemistry, 页码：4345-4361 , 文章类型： 研究论文，,卷期：2008年73-12] central for increasing binding activity and selectivity of hits and leads in medicinal chem. In our structure-based design approach toward the generation of potent enzyme inhibitors, we encountered a variety of challeng... Nanoscale molecular rods with a new building block for solubility enhancement. [作者：Wessig, Pablo;Moellnitz, Kristian;,期刊：Journal of Organic Chemistry, 页码：4452-4457 , 文章类型： 研究论文，,卷期：2008年73-12] A new building block bearing a [1,3]dioxolo[4,5-f][1,3]benzodioxole core was developed to enhance the soly. of mol. rods by lateral alkyl chains. On incorporation in mol. rods with oligospiroketal structure, the straigh... Structure-Property Investigations of Conjugated Thiophenes Fused onto a Dehydro[14]annulene Scaffold. [作者：O'Connor, Matthew J.;Yelle, Robert B.;Zakharov, Lev N.;Haley, Michael M.;,期刊：Journal of Organic Chemistry, 页码：4424-4432 , 文章类型： 研究论文，,卷期：2008年73-12] A series of 12 thieno-fused macrocycles based on the dehydro[14]annulene framework have been prepd. Studies have focused on the optical and electronic properties of the dehydrobenzothieno[14]annulenes (DBTAs) and dehydr... pKa-Dependent Formation of Amides in Water from an Acyl Phosphate Monoester and Amines. [作者：Wodzinska, Jolanta;Kluger, Ronald;,期刊：Journal of Organic Chemistry, 页码：4753-4754 , 文章类型： 研究论文，,卷期：2008年73-12] (Organometallic and Organometalloidal Compounds) Section Acyl phosphate monoesters are readily prepd. biomimetically activated anionic derivs. of carboxylic acids that react rapidly with amines in H2O to form amides. A ... Synthesis of Fluoroalkylated b-Aminophosphonates and Pyridines from Primary b-Enaminophosphonates. [作者：Palacios, Francisco;Ochoa de Retana, Ana M.;Oyarzabal, Julen;Pascual, Sergio;Fernandez de Troconiz, Guillermo;,期刊：Journal of Organic Chemistry, 页码：4568-4574 , 文章类型： 研究论文，,卷期：2008年73-12] A simple and efficient stereoselective synthesis of F contg. b-aminophosphonates by redn. of b-enaminophosphonates is described. Redn. with Na cyanborohydride in the presence of Zn chloride and the catalytic hydrogenati... Substituent Effects on Aryltrifluoroborate Solvolysis in Water: Implications for Suzuki-Miyaura Coupling and the Design of Stable 18F-Labeled Aryltrifluoroborates for Use in PET Imaging. [作者：Ting, Richard;Harwig, Curtis W.;Lo, Justin;Li, Ying;Adam, Michael J.;Ruth, Thomas J.;Perrin, David M.;,期刊：Journal of Organic Chemistry, 页码：4662-4670 , 文章类型： 研究论文，,卷期：2008年73-12] Whereas electron withdrawing substituents retard the rate of aryltrifluoroborate solvolysis, electron-donating groups enhance it. Herein is presented a Hammett anal. of the solvolytic lability of aryltrifluoroborates whe... A Novel Approach to the Synthesis of 6-Substituted Uracils in Three-Step, One-Pot Reactions. [作者：Bardagi, Javier I.;Rossi, Roberto A.;,期刊：Journal of Organic Chemistry, 页码：4491-4495 , 文章类型： 研究论文，,卷期：2008年73-12] From the com. 6-chloro-2,4-dimethoxypyrimidine and by a photostimulated reaction with Me3Sn- ions, 2,4-dimethoxy-6-(trimethylstannyl)pyrimidine (I) was obtained in 95% yield. By the cross-coupling reaction of I with 1-i... Reaction of N-Methyl-5-tributylstannyl-4-fluoro-1H-pyrazole and Its Application to N-Methyl-chromeno[2,3-d]pyrazol-9-one Synthesis. [作者：Hanamoto, Takeshi;Hashimoto, Eri;Miura, Masayuki;Furuno, Hiroshi;Inanaga, Junji;,期刊：Journal of Organic Chemistry, 页码：4736-4739 , 文章类型： 研究论文，,卷期：2008年73-12] N-Methylation by sequential treatment of 5-tributylstannyl-4-fluoro-1H-pyrazole with LDA and iodomethane regioselectively afforded the compd. N-methyl-5-tributylstannyl-4-fluoro-1H-pyrazole (I) in high yield. The addn. ... Silver(I)-Catalyzed Facile Synthesis of Pyrazoles From Propargyl N-Sulfonylhydrazones. [作者：Lee, Young Tak;Chung, Young Keun;,期刊：Journal of Organic Chemistry, 页码：4698-4701 , 文章类型： 研究论文，,卷期：2008年73-12] A silver(I)-catalyzed facile formation of pyrazoles from propargyl N-sulfonylhydrazones has been disclosed. During the reaction, a migration of sulfonyl groups (Ts, Ms) was obsd. Good functional group compatibility was... A domino annulation reaction under Willgerodt-Kindler conditions. [作者：Kadzimirsz, Daniel;Kramer, Daniel;Sripanom, Lertnarong;Oppel, Iris M.;Rodziewicz, Pawel;Doltsinis, Nikos L.;Dyker, Gerald;,期刊：Journal of Organic Chemistry, 页码：4644-4649 , 文章类型： 研究论文，,卷期：2008年73-12] (Heterocyclic Compounds (More Than One Hetero Atom)) Section Butanone side chains at arenes and hetarenes, efficiently introduced by a Heck-type reaction, are transformed to annulated thieno[3,2-b]thiophenes, e.g. I, in ... Two Efficient Cascade Reactions to Synthesize Substituted Furocoumarins. [作者：Cheng, Gang;Hu, Youhong;,期刊：Journal of Organic Chemistry, 页码：4732-4735 , 文章类型： 研究论文，,卷期：2008年73-12] We have developed two efficient one-pot reactions to generate furo[3,2-c]coumarins and chlorofuro[3,2-c]coumarins through addn./cyclization/oxidn. and chlorination. One cascade addn./cyclization/oxidn. sequence of I (R1...