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10,786 Newest Publications in organic letters

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Glycosyl Bunte Salts: A Class of Intermediates for Sugar Chemistry

15-Dec-2017 | Yasuhiro Meguro; Masato Noguchi; Gefei Li; Shin-ichiro Shoda, Organic Letters, 2017

Organic Letters DOI: 10.1021/acs.orglett.7b03400

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Enantioselective Total Synthesis of Cannogenol-3-O-α-l-rhamnoside via Sequential Cu(II)-Catalyzed Michael Addition/Intramolecular Aldol Cyclization Reactions

15-Dec-2017 | Bijay Bhattarai; Pavel Nagorny, Organic Letters, 2017

A concise and scalable enantioselective total synthesis of the natural cardenolides cannogenol and cannogenol-3-O-α-l-rhamnoside has been achieved in 18 linear steps. The synthesis features a Cu(II)-catalyzed enantioselective and diastereoselective Michael reaction/tandem aldol cyclization and a ...

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Pyridinium Salt Forming Rh(III)-Catalyzed Annulation Reaction of Secondary Allylamines with Internal Alkynes and Its Application to Surface Modification of a Mesoporous Material

15-Dec-2017 | Ye Ri Han; Su-Hyang Shim; Dong-Su Kim; Chul-Ho Jun, Organic Letters, 2017

Organic Letters DOI: 10.1021/acs.orglett.7b03654

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Diastereoselective Synthesis of C-Vinyl Glycosides via Gold(I)-Catalyzed Tandem 1,3-Acyloxy Migration/Ferrier Rearrangement

15-Dec-2017 | Nianyu Huang; Hongze Liao; Hui Yao; Tianpeng Xie; Shasha Zhang; Kun Zou; Xue-Wei Liu, Organic Letters, 2017

Organic Letters DOI: 10.1021/acs.orglett.7b03062

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Synthetic Marine Sponge Collagen by Late-Stage Dihydroxylation

15-Dec-2017 | Christoph Priem; Armin Geyer, Organic Letters, 2017

Organic Letters DOI: 10.1021/acs.orglett.7b03525

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CuH-Catalyzed Asymmetric Intramolecular Reductive Coupling of Allenes to Enones

15-Dec-2017 | Yun-Xuan Tan; Xiao-Qi Tang; Ping Liu; De-Shen Kong; Ya-Li Chen; Ping Tian; Guo-Qiang Lin, Organic Letters, 2017

The CuH-catalyzed asymmetric intramolecular reductive coupling of allenes to enones is successfully realized, providing cis-hydrobenzofurans with promising yields and excellent enantioselectivities. Such brilliant enantioselectivities are partially contributed by CuH-catalyzed favorable kinetic ...

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Synthesis of Double-Bond-Substituted Hemithioindigo Photoswitches

15-Dec-2017 | Aaron Gerwien; Till Reinhardt; Peter Mayer; Henry Dube, Organic Letters, 2017

Organic Letters DOI: 10.1021/acs.orglett.7b03574

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Regio- and Diastereodivergent [4 + 2] Cycloadditions with Cyclic 2,4-Dienones

14-Dec-2017 | Wei Xiao; Qian-Qian Yang; Zhi Chen; Qin Ouyang; Wei Du; Ying-Chun Chen, Organic Letters, 2017

Organic Letters DOI: 10.1021/acs.orglett.7b03598

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Tertiary and Quaternary Carbon Formation via Gallium-Catalyzed Nucleophilic Addition of Organoboronates to Cyclopropanes

14-Dec-2017 | Truong N. Nguyen; Jeremy A. May, Organic Letters, 2017

GaCl3 and (IPr)GaCl3/AgSbF6 formed γ-tertiary and γ-quaternary carbons via homoconjugate addition of organoboron nucleophiles to diester- and ketone-functionalized cyclopropanes. Electron donor group cyclopropane substituents were not needed, allowing electron-deficient aryl, alkenyl, alkyl, and ...

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