Find more information about Crossref citation counts. Asymmetric Hydroxylative Phenol Dearomatization Promoted by Chiral Binaphthylic and Biphenylic Iodanes. This ion is also resonance stabilized. The product of this rearrangement is an isocyanate. No documents. Akihiro Goto, Hiroshi Naka, Ryoji Noyori, Susumu Saito. Presentation (PDF Available) ... sometimes called the Hofmann rearrangement r eaction. Electrochemically induced oxidative S-O coupling: synthesis of sulfonates from sulfonyl hydrazides and N-hydroxyimides or N-hydroxybenzotriazoles. Hofmann Reactions. http://pubs.acs.org/page/copyright/permissions.html. A Regio‐ and Stereodivergent Synthesis of Homoallylic Amines by a One‐Pot Cooperative‐Catalysis‐Based Allylic Alkylation/Hofmann Rearrangement Strategy. Information. tert Finally, the last example illustrates a selective Hofmann rearrangement of a bromo-imide. Iodane‐Guided Thus, the Hofmann rearrangement results in a shortening of the carbon chain by one atom and a change in functional group from an amide to an amine. Electrocatalytic Dehydrogenative Esterification of Aliphatic Carboxylic Acids: Access to Bioactive Lactones. Sustainable routes to polyurethane precursors. eg: Mechanism: see also nitrene. Other Reactions. Moreover, this efficient and green approach is well compatible with a broad range of amides, including several commercial medicine derivatives, and provides direct access to synthetically useful carbamates. N Optimization of an Azaindazole Series of CCR1 Antagonists and Development of a Semicontinuous-Flow Synthesis. These metrics are regularly updated to reflect usage leading up to the last few days. Moreover, this efficient and green approach is well compatible with a broad range of amides, including several commercial medicine derivatives, and provides direct access to synthetically useful carbamates. Electronic Supporting Information files are available without a subscription to ACS Web Editions. Preparation of methyl carbamates via a modified Hofmann rearrangement. v Alkylcarboxamides can be converted to the respective amines by Hofmann rearrangement using hypervalent iodine species generated in situ from PhI and Oxone in aqueous acetonitrile. Electrode Materials in Modern Organic Electrochemistry, Recent Advances in the Applications of the Intramolecular Suzuki Cross-coupling Reaction in Cyclization and Heterocyclization: An Update, Transition‐Metal‐Free, Visible‐Light‐Mediated N‐acylation: An Efficient Route to Amides in Water, Efficient synthesis of methyl carbamate via Hofmann rearrangement in the presence of TsNBr2, Highly Efficient Synthesis of Ureas and Carbamates from Amides by Iodosylbenzene-Induced Hofmann Rearrangement, Hofmann Rearrangement of Carboxamides Mediated by N-Bromoacetamide. PhI(OCOCF3)2-catalyzed nucleophilic substitution of aromatic propargyl alcohols. You are currently offline. Find more information on the Altmetric Attention Score and how the score is calculated. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. For permission to reproduce, republish and Recent Advances in the Applications of the Intramolecular Suzuki Cross-coupling Reaction in Cyclization and Heterocyclization: An Update. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. The Hofmann rearrangement occurs through … One stone two birds: cobalt-catalyzed in situ generation of isocyanates and benzyl alcohols for the synthesis of N-aryl carbamates. 3 You’ve supercharged your research process with ACS and Mendeley! Iodine catalysis: A green alternative to transition metals in organic chemistry and technology. Stereoselektive Umlagerungen mit chiralen hypervalenten Iodreagentien. Vunnam Venkateswarlu, K. A. Aravinda Kumar, Shilpi Balgotra, G. Lakshma Reddy, M. Srinivas, Ram A. Vishwakarma, Sanghapal D. Sawant. Your Mendeley pairing has expired. Matthew D. Truppo, Hallena Strotman, Gregory Hughes. Mayakova, A. N. Khazipova. Song, Frank Roschangar, Nathan K. Yee, Chris H. Senanayake. Advances in Synthetic Applications of Hypervalent Iodine Compounds. )‐3‐( Hypervalent Iodine Catalyzed Hofmann Rearrangement of Carboxamides Using Oxone as Terminal Oxidant. Highly Efficient Method for Synthesis of Benzoquinones Using Hypervalent Iodine(III) Reagent and Sodium Bisulfate. Hofmann-Type Rearrangement of Imides by in Situ Generation of Imide-Hypervalent Iodines(III) from Iodoarenes. Beibei Zhang, Xiaoxian Li, Boying Guo, Yunfei Du. Katsuhiko Moriyama, Kazuma Ishida, and Hideo Togo . And this is the first step of the mechanism. Iodoarene-catalyzed oxidative transformations using molecular oxygen. Yogesh Jaiswal, Yogesh Kumar, Rima Thakur, Jagannath Pal, Ranga Subramanian, and Amit Kumar . K. Miyamoto, J. Yamashita, S. Narita, Y. Sakai, K. Hirano, T. Saito, C. Wang, M. Ochiai, M. Uchiyama. Akira Yoshimura, Kyle R. Middleton, Anthony D. Todora, Brent J. Kastern, Steven R. Koski, Andrey V. Maskaev, and Viktor V. Zhdankin . The American Chemical Society holds a copyright ownership interest in any copyrightable Supporting Please reconnect. Katsuhiko Moriyama, Kazuma Ishida, Hideo Togo. This material is available free of charge via the Internet at http://pubs.acs.org. The reactivity of the carbonyl group para to the electron withdrawing nitro substituent is increased relative to the other imide carbonyl.
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