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ChemInform Abstract: Counterion Effects in the Catalytic Stereoselective Synthesis of 2,3′‐Pyrrolidinyl Spirooxindoles.

10-10-2014 | Jacob P. MacDonald, Benjamin H. Shupe, John D. Schreiber, Annaliese K. Franz, ChemInform, 2014

Abstract A Lewis acid‐catalyzed stereoselective [3 + 2] annulation of crotylsilanes (II) and (V) with iminooxindoles (I) is reported providing access to pyrrolidinyl spirooxindoles (III) and (VI), resp., with four stereocenters.

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ChemInform Abstract: Synthesis of Pladienolide B and Its 7‐Epimer with Insights into the Role of the Allylic Acetate.

10-10-2014 | Sarah Mueller, Florenz Sasse, Martin E. Maier, ChemInform, 2014

Abstract The asymmetric synthesis of macrolactones pladienolide B (Ia) and its 7‐epimer (Ib) is described and their cytotoxicity against the L929 cell line is tested.

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ChemInform Abstract: On‐Demand Selection of the Reaction Path from Imino Diels—Alder to Ene‐Type Cyclization: Synthesis of Epiminopyrimido[4,5‐b]azepines.

10-10-2014 | Yuewei Zhang, Yue Zhu, Lianyou Zheng, Lian‐Gang Zhuo, Fengzhi Yang, Qun Dang, Zhi‐Xiang Yu, Xu Bai, ChemInform, 2014

Abstract The reactions of imine intermediates derived from aldehydes (I) and with anilines are investigated.

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ChemInform Abstract: A Cooperative N‐Heterocyclic Carbene/Chiral Phosphate Catalysis System for Allenolate Annulations.

10-10-2014 | Anna Lee, Karl A. Scheidt, ChemInform, 2014

Abstract A highly efficient asymmetric [3 + 2] annulation reaction of α,β‐alkynals and α‐ketoesters is developed.

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ChemInform Abstract: Modern Multicomponent Reactions for Better Drug Syntheses

10-10-2014 | Tryfon Zarganes‐Tzitzikas, Alexander Doemling, ChemInform, 2014

Abstract Review: 17 refs.

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ChemInform Abstract: Facile Synthesis of 1,2,4‐Trisubstituted Imidazoles via Aerobic Copper Catalyzed Ligand‐Free [3 + 2] Cycloaddition.

10-10-2014 | Wei Li, Weixiang Jiao Wan Tian, Ming Lei, ChemInform, 2014

Abstract A simple and facile method for the synthesis of highly functionalized imidazole derivatives by aerobic [3 + 2] cycloaddition of amidines with nitroolefins is presented.

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ChemInform Abstract: Palladium‐Catalyzed C(sp2)—H Pyridocarbonylation of N‐Aryl‐2‐aminopyridines: Dual Function of the Pyridyl Moiety.

10-10-2014 | Dongdong Liang, Yimiao He, Qiang Zhu, ChemInform, 2014

Abstract The pyridyl substituent acts as both a directing group and an intermolecular nucleophile in the Pd‐catalyzed carbonylation reactions of substrates (I) to give pyridoquinazolin‐11‐ones.

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ChemInform Abstract: Sesquiterpenes from Artemisia argyi: Absolute Configurations and Biological Activities.

10-10-2014 | Shu Wang, Jian Sun, Kewu Zeng, Xiaoguang Chen, Wanqi Zhou, Chen Zhang, Hongwei Jin, Yong Jiang, Pengfei Tu, ChemInform, 2014

Abstract Nine guaiane‐type sesquiterpenes, as an example compound (I) is shown, and one eudesmane‐type sesquiterpene (II), called argyinolides, are isolated from the title plant together with nine known analogues.

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ChemInform Abstract: Pyrrolidine and Piperidine Based Chiral Spiro and Fused Scaffolds via Build/Couple/Pair Approach.

10-10-2014 | Rajinikanth Mamidala, V. Surendra Babu Damerla, Rambabu Gundla, M. Thirumala Chary, Y. L. N. Murthy, Subhabrata Sen, ChemInform, 2014

Abstract The presented “build‐couple‐pair”‐approach involves an SNAr, Michael addition as well as Mannich reaction.

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ChemInform Abstract: Metal—Organic Frameworks Based on Flexible Ligands (FL‐MOFs): Structures and Applications

10-10-2014 | Zu‐Jin Lin, Jian Lue, Maochun Hong, Rong Cao, ChemInform, 2014

Abstract Review: [in gas adsorption, catalysis and proton conduction; 128 refs.

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