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4,469 Newest Publications in organic letters

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n-BuLi as a Highly Efficient Precatalyst for Hydrophosphonylation of Aldehydes and Unactivated Ketones

14-11-2014 | Chengwei Liu; Yu Zhang; Qinqin Qian; Dan Yuan; Yingming Yao, Organic Letters, 2014

It was found for the first time that organic alkali metal compounds serve as highly efficient precatalysts for the hydrophosphonylation reactions of aldehydes and unactivated ketones with dialkyl phosphite under mild conditions. For ketone substrates, a reversible reaction was observed, and the ...

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A Cascade of Acid-Promoted C–O Bond Cleavage and Redox Reactions: From Oxa-Bridged Benzazepines to Benzazepinones

14-11-2014 | Yuewei Zhang; Fengzhi Yang; Lianyou Zheng; Qun Dang; Xu Bai, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol502971e

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Rhodium-Catalyzed Oxidative Annulation of Hydrazines with Alkynes Using a Nitrobenzene Oxidant

14-11-2014 | Deng Yuan Li; Hao Jie Chen; Pei Nian Liu, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5030794

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11,11,12,12-Tetracyano-4,5-pyrenoquinodimethanes: Air-Stable Push–Pull o-Quinodimethanes with S2 Fluorescence

14-11-2014 | Raúl García; Sandeep More; Manuel Melle-Franco; Aurelio Mateo-Alonso, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5029332

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Continuous Flow Synthesis of Chiral Amines in Organic Solvents: Immobilization of E. coli Cells Containing Both ω-Transaminase and PLP

13-11-2014 | Leandro H. Andrade; Wolfgang Kroutil; Timothy F. Jamison, Organic Letters, 2014

E. coli cells containing overexpressed (R)-selective ω-transaminase and the cofactor PLP were immobilized on methacrylate beads suitable for continuous flow applications. The use of an organic solvent suppresses leaching of PLP from the cells; no additional cofactor was required after setting up ...

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A Rotary Molecular Motor Gated by Electrical Energy

13-11-2014 | Chen-Yi Kao; Hsiu-Feng Lu; Ito Chao; Jye-Shane Yang, Organic Letters, 2014

DFT calculations predict that the chiral pentiptycene derivative E-1 possesses distinct rotational potential energy surfaces in the neutral vs the radical anionic (E-1•–) form such that continued electrochemical switching between E-1 and E-1•– could lead to a directional rotation of the ...

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Gold(I)-Catalyzed Polycyclization of Linear Dienediynes to Seven-Membered Ring-Containing Polycycles via Tandem Cyclopropanation/Cope Rearrangement/C–H Activation

12-11-2014 | Pei-Jun Cai; Yi Wang; Cheng-Hang Liu; Zhi-Xiang Yu, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5028706

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Sulfur Incorporation: Copper-Catalyzed Cascade Cyclization of 1,7-Enynes with Metal Sulfides toward Thieno[3,4-c]quinolin-4(5H)-ones

11-11-2014 | Yu Liu; Jia-Ling Zhang; Ren-Jie Song; Jin-Heng Li, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5025162

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