Literature DB >> 19774251

Getting the sterics just right: a five-coordinate iridium trisboryl complex that reacts with C-H bonds at room temperature.

Ghayoor A Chotana1, Britt A Vanchura, Man Kin Tse, Richard J Staples, Robert E Maleczka, Milton R Smith.   

Abstract

Five-coordinate boryl complexes relevant to Ir mediated C-H borylations have been synthesized, providing a glimpse of the most fundamental step in the catalytic cycle for the first time.

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Year:  2009        PMID： 19774251      PMCID： PMC3573368          DOI： 10.1039/b914736e

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN： 1359-7345            Impact factor:   6.222


  8 in total

1.  An electron-deficient iridium(III) dihydride complex capable of intramolecular C--H activation.

Authors:  Natalie M Scott; Vincent Pons; Edwin D Stevens; D Michael Heinekey; Steven P Nolan
Journal:  Angew Chem Int Ed Engl       Date:  2005-04-22       Impact factor: 15.336

2.  Mechanism and stereoselectivity of asymmetric hydrogenation.

Authors:  J Halpern
Journal:  Science       Date:  1982-07-30       Impact factor: 47.728

3.  Remarkably selective iridium catalysts for the elaboration of aromatic C-H bonds.

Authors:  Jian-Yang Cho; Man Kin Tse; Daniel Holmes; Robert E Maleczka; Milton R Smith
Journal:  Science       Date:  2001-11-22       Impact factor: 47.728

4.  Iridium(III) silyl alkyl and iridacyclic compounds supported by 4,4'-di-tert-butyl-2,2'-bipyridyl.

Authors:  Yiu-Keung Sau; Hung-Kay Lee; Ian D Williams; Wa-Hung Leung
Journal:  Chemistry       Date:  2006-12-13       Impact factor: 5.236

5.  Mild iridium-catalyzed borylation of arenes. High turnover numbers, room temperature reactions, and isolation of a potential intermediate.

Authors:  Tatsuo Ishiyama; Jun Takagi; Kousaku Ishida; Norio Miyaura; Natia R Anastasi; John F Hartwig
Journal:  J Am Chem Soc       Date:  2002-01-23       Impact factor: 15.419

6.  Double geminal C-H activation and reversible alpha-elimination in 2-aminopyridine iridium(III) complexes: the role of hydrides and solvent in flattening the free energy surface.

Authors:  Eric Clot; Junyi Chen; Dong-Heon Lee; So Young Sung; Leah N Appelhans; Jack W Faller; Robert H Crabtree; Odile Eisenstein
Journal:  J Am Chem Soc       Date:  2004-07-21       Impact factor: 15.419

7.  Iridium-catalyzed borylation of benzene with diboron. Theoretical elucidation of catalytic cycle including unusual iridium(v) intermediate.

Authors:  Hitoshi Tamura; Hideki Yamazaki; Hirofumi Sato; Shigeyoshi Sakaki
Journal:  J Am Chem Soc       Date:  2003-12-24       Impact factor: 15.419

8.  Pronounced effects of substituents on the iridium-catalyzed borylation of aryl C-H bonds.

Authors:  Carl W Liskey; Carolyn S Wei; Dale R Pahls; John F Hartwig
Journal:  Chem Commun (Camb)       Date:  2009-08-20       Impact factor: 6.222
  8 in total
  8 in total

1.  Reversible Borylene Formation from Ring Opening of Pinacolborane and Other Intermediates Generated from Five-Coordinate Tris-Boryl Complexes: Implications for Catalytic C-H Borylation.

Authors:  Behnaz Ghaffari; Britt A Vanchura; Ghayoor A Chotana; Richard J Staples; Daniel Holmes; Robert E Maleczka; Milton R Smith
Journal:  Organometallics       Date:  2015-08-11       Impact factor: 3.876

2.  Practical radical cyclizations with arylboronic acids and trifluoroborates.

Authors:  Jonathan W Lockner; Darryl D Dixon; Rune Risgaard; Phil S Baran
Journal:  Org Lett       Date:  2011-09-16       Impact factor: 6.005

3.  Outer-sphere direction in iridium C-H borylation.

Authors:  Philipp C Roosen; Venkata A Kallepalli; Buddhadeb Chattopadhyay; Daniel A Singleton; Robert E Maleczka; Milton R Smith
Journal:  J Am Chem Soc       Date:  2012-07-03       Impact factor: 15.419

4.  Catalytic borylation of methane.

Authors:  Kyle T Smith; Simon Berritt; Mariano González-Moreiras; Seihwan Ahn; Milton R Smith; Mu-Hyun Baik; Daniel J Mindiola
Journal:  Science       Date:  2016-03-25       Impact factor: 47.728

5.  Electronic effects in iridium C-H borylations: insights from unencumbered substrates and variation of boryl ligand substituents.

Authors:  Britt A Vanchura; Sean M Preshlock; Philipp C Roosen; Venkata A Kallepalli; Richard J Staples; Robert E Maleczka; Daniel A Singleton; Milton R Smith
Journal:  Chem Commun (Camb)       Date:  2010-09-20       Impact factor: 6.222

6.  Effect of Ligand Structure on the Electron Density and Activity of Iridium Catalysts for the Borylation of Alkanes.

Authors:  Matthew A Larsen; Raphael J Oeschger; John F Hartwig
Journal:  ACS Catal       Date:  2020-02-11       Impact factor: 13.084

7.  Mechanism, reactivity, and selectivity of the iridium-catalyzed C(sp3)-H borylation of chlorosilanes.

Authors:  Genping Huang; Marcin Kalek; Rong-Zhen Liao; Fahmi Himo
Journal:  Chem Sci       Date:  2014-12-04       Impact factor: 9.825

8.  Metal-ligand multiple bonds as frustrated Lewis pairs for C-H functionalization.

Authors:  Matthew T Whited
Journal:  Beilstein J Org Chem       Date:  2012-09-18       Impact factor: 2.883
  8 in total

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