Center for Selective C–H Functionalization
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Riffle

Kwon, Albert Lazar, David Devadas, Srinivas Ford, Bryan

Published in Proceedings on Privacy Enhancing Technologies

Existing anonymity systems sacrifice anonymity for efficient communication or vice-versa. Onion-routing achieves low latency, high bandwidth, and scalable anonymous communication, but is susceptible to traffic analysis attacks. Designs based on DC-Nets, on the other hand, protect the users against traffic analysis attacks, but sacrifice bandwidth. ...

Decarbonylative organoboron cross-coupling of esters by nickel catalysis

Kei Muto Junichiro Yamaguchi Djamaladdin G. Musaev Kenichiro Itami

Published in Nature Communications

An expedient synthesis of maraviroc (UK-427,857) via C–H functionalization

Bedell, T. Aaron Graham Hone Justin Du Bois Erik Sorensen

Published in Tetrahedron Letters

A new, concise synthesis of the CCR-5 receptor antagonist maraviroc (UK-427,857) from 3-phenyl-1-propanol has been completed in four steps featuring a site-selective C–H functionalization.

Selective C–C and C–H Bond Activation/Cleavage of Pinene Derivatives: Synthesis of Enantiopure Cyclohexenone Scaffolds a...

Masarwa, Ahmad Weber, Manuel Richmond Sarpong

Published in Journal of the American Chemical Society

The continued development of transition-metal-mediated C-C bond activation/cleavage methods would provide even more opportunities to implement novel synthetic strategies. We have explored the Rh(I)-catalyzed C-C activation of cyclobutanols resident in hydroxylated derivatives of pinene, which proceed in a complementary manner to the C-C bond cleava...

Using IR vibrations to quantitatively describe and predict site-selectivity in multivariate Rh-catalyzed C–H functionali...

Bess, E. N. Guptill, D. M. Huw M. L. Davies Matthew Sigman

Published in Chemical Science

Achieving selective C–H functionalization is a significant challenge that requires discrimination between many similar C–H bonds. Yet, reaction systems employing Rh2(DOSP)4 and Rh2(BPCP)4 were recently demonstrated to afford high levels of selectivity in the C–H insertion of carbenes into toluene-derived substrates. Herein, we explore the origin of...

Stereodivergent Intramolecular C(sp3)–H Functionalization of Azavinyl Carbenes: Synthesis of Saturated Heterocycles and ...

Vincent Lindsay Viart, Hélène M.-F. Richmond Sarpong

Published in Journal of the American Chemical Society

A general approach for the formation of five-membered saturated heterocycles by intramolecular C(sp3)–H functionalization is reported. Using N-sulfonyltriazoles as Rh(II) azavinyl carbene equivalents, a wide variety of stereodefined cis-2,3-disubstituted tetrahydrofurans were obtained with good to excellent diastereoselectivity from readily availab...

Engineering a dirhodium artificial metalloenzyme for selective olefin cyclopropanation

Srivastava, Poonam Hao Yang Ellis-Guardiola, Ken Jared Lewis

Published in Nature Communications

Artificial metalloenzymes (ArMs) formed by incorporating synthetic metal catalysts into protein scaffolds have the potential to impart to chemical reactions selectivity that would be difficult to achieve using metal catalysts alone. In this work, we covalently link an alkyne-substituted dirhodium catalyst to a prolyl oligopeptidase containing a gen...

Cobalt catalyzed sp3 C–H amination utilizing aryl azides

Omar Villanueva Nina Mace Weldy Simon B. Blakey Cora E.

Published in Advances in Chemical Engineering and Science

Rh(III)-catalyzed C–H olefination of N-pentafluoroaryl benzamides using air as the sole oxidant

Yi Lu Huai-Wei Wang Jillian E. Spangler Kai Chen Pei-Pei Cui Yue Zhao Wei-Yin Sun Jin-Quan Yu

Published in Advances in Chemical Engineering and Science

Cu(II)-Mediated C(sp2)–H Hydroxylation

Shang-Zheng Sun Ming Shang Hong-Li Wang Hai-Xia Lin Hui-Xiong Dai Jin-Quan Yu

Published in Journal of Synthetic Organic Chemistry Japan

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