ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. An unusual regioselective anti-markovnikov hydration of alkenes with zinc borohydride on silica gel support. Reproduced material should be attributed as follows: If the material has been adapted instead of reproduced from the original RSC publication S 54 publications. You do not have JavaScript enabled. Users are Aryl/heteroaryl alkenes are effectively con Celebrating 70 Years of Shanghai Institute of Organic Chemistry T. Novaes, Kaliandra de Almeida Gonçalves, Daniela B. HHS SO Luiz F. T. Novaes and Julio C. Pastre . Cobaloxime-catalyzed hydration of terminal alkynes without acidic promoters. Hydrative syntheses of amides from alkynes catalyzed by an Au(I) complex containing pyridyl-functionalized NHC ligand. acid, most commonly H 2 SO 4, alkenes form alcohols. The desired methyl ketones were obtained in high yields with complete regioselectivities. Sara Muñoz-López, Almudena Couce-Rios, Giuseppe Sciortino, Agustí Lledós. Synthesis of the Hsin-Ping Lin, Nada Ibrahim, Olivier Provot, Mouad Alami, Abdallah Hamze. Files available from the ACS website may be downloaded for personal use only. The reaction of the addition is not regioselective but is stereoselective. Author information: (1)Instituto de Tecnología Química, Consejo Superior de Investigaciones Científicas, Universidad Politécnica de Valencia, Valencia, Spain. 2020 Aug 3;59(32):13473-13478. doi: 10.1002/anie.202000907. 3 However, for the addition of H 2 O to alkenes to occur acid catalysts are required. Evaluation of Glycine Germplasm for Nulls of the Immunodominant Allergen P34/Gly m Bd 30k. Organic Transformations Promoted by Lewis Acid Iron Catalysts. This reaction follows Markovnikov’s rule … Dmitry P. Zimin, Dmitry V. Dar'in, Anastasiya A. Eliseeva, Alexander S. Novikov, Valentin A. Rassadin, Vadim Yu. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Epub 2007 May 16. ... For internal alkynes ( the triple-bond is within a longer chain ) the addition of water is not regioselective. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. meta Cabrero-Antonino JR, Tejeda-Serrano M, Quesada M, Vidal-Moya JA, Leyva-Pérez A, Corma A. Chem Sci. Copyright © 2020 Elsevier B.V. or its licensors or contributors.  |  Transfer Hydro-dehalogenation of Organic Halides Catalyzed by Ruthenium(II) Complex. Huan Liu, Sensheng Liu, Haifeng Zhou, Qixing Liu, Chunqin Wang. The iron(III) metal salt can be recycled in the form of the OPPh(3)/[Fe(NTf(2))(3)] system with similar activity and selectivity. 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. Cabrero-Antonino JR(1), Leyva-Pérez A, Corma A. via R without permission from the American Chemical Society. acid catalyzed hydration of alkenes. Acid Catalyzed Hydration. Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. Beatrice Ranieri, Imma Escofet, Antonio M. Echavarren. Mechanistic Insights on the Hydration of Terminal and Internal Allenes Catalyzed by [(NHC)Au]+. I This triflimide‐based catalytic system is regioselective for the hydration of internal aryl‐alkynes and opens the door to a new synthetic route to alkyl ketophenones. ; Not stereoselective since reactions proceeds via planar carbocation. /PTSA system catalyzed regioselective hydration of internal arylalkynes bearing electron withdrawing groups. H/ruthenium tandem catalysis. Teng-fei Niu, Ding-yun Jiang, Si-yuan Li, Xing-ge Shu, Huan Li, Ai-ling Zhang, Jia-yu Xu, Bang-qing Ni. Sustainable Micellar Gold Catalysis - Poly(2-oxazolines) as Versatile Amphiphiles.

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