Literature DB >> 29220058

Revisiting the racemization mechanism of helicenes.

Jorge Barroso1, Jose Luis Cabellos1, Sudip Pan1, Fernando Murillo2, Ximena Zarate3, Maria A Fernandez-Herrera1, Gabriel Merino1.   

Abstract

Herein we propose a general mechanism for the racemization of [n]helicenes up to n = 24. It is a concerted process for n = 4-7, but a multi-step mechanism is followed for n≥ 8, involving 2n- 14 intermediates. The changes in the barriers are a delicate consequence of the steric hindrance and the π-interactions.

Entities:  

Year:  2017        PMID： 29220058     DOI： 10.1039/c7cc08191j

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


  9 in total

1.  Sydnone-Based Approach to Heterohelicenes through 1,3-Dipolar-Cycloadditions.

Authors:  Expédite Yen-Pon; Pier Alexandre Champagne; Lucie Plougastel; Sandra Gabillet; Pierre Thuéry; Mizuki Johnson; Gilles Muller; Grégory Pieters; Frédéric Taran; K N Houk; Davide Audisio
Journal:  J Am Chem Soc       Date:  2019-01-15       Impact factor: 15.419

2.  Enhancement of electrocatalytic oxygen evolution by chiral molecular functionalization of hybrid 2D electrodes.

Authors:  Yunchang Liang; Karla Banjac; Kévin Martin; Nicolas Zigon; Seunghwa Lee; Nicolas Vanthuyne; Felipe Andrés Garcés-Pineda; José R Galán-Mascarós; Xile Hu; Narcis Avarvari; Magalí Lingenfelder
Journal:  Nat Commun       Date:  2022-06-10       Impact factor: 17.694

3.  Gas phase synthesis of [4]-helicene.

Authors:  Long Zhao; Ralf I Kaiser; Bo Xu; Utuq Ablikim; Wenchao Lu; Musahid Ahmed; Mikhail M Evseev; Eugene K Bashkirov; Valeriy N Azyazov; Marsel V Zagidullin; Alexander N Morozov; A Hasan Howlader; Stanislaw F Wnuk; Alexander M Mebel; Dharati Joshi; Gregory Veber; Felix R Fischer
Journal:  Nat Commun       Date:  2019-04-03       Impact factor: 14.919

Review 4.  How Far Can One Push the Noble Gases Towards Bonding?: A Personal Account.

Authors:  Ranajit Saha; Gourhari Jana; Sudip Pan; Gabriel Merino; Pratim Kumar Chattaraj
Journal:  Molecules       Date:  2019-08-13       Impact factor: 4.411

5.  Revisiting the Rearrangement of Dewar Thiophenes.

Authors:  Sara Gómez; Edison Osorio; Eugenia Dzib; Rafael Islas; Albeiro Restrepo; Gabriel Merino
Journal:  Molecules       Date:  2020-01-10       Impact factor: 4.411

6.  Amplification of Dissymmetry Factors in π-Extended [7]- and [9]Helicenes.

Authors:  Zijie Qiu; Cheng-Wei Ju; Lucas Frédéric; Yunbin Hu; Dieter Schollmeyer; Grégory Pieters; Klaus Müllen; Akimitsu Narita
Journal:  J Am Chem Soc       Date:  2021-03-18       Impact factor: 15.419

7.  Cove-Edged Hexa-peri-hexabenzo-bis-peri-octacene: Molecular Conformations and Amplified Spontaneous Emission.

Authors:  Yanwei Gu; Victor Vega-Mayoral; Saül Garcia-Orrit; Dieter Schollmeyer; Akimitsu Narita; Juan Cabanillas-González; Zijie Qiu; Klaus Müllen
Journal:  Angew Chem Int Ed Engl       Date:  2022-03-02       Impact factor: 16.823

8.  Circularly Polarized Luminescence in a Möbius Helicene Carbon Nanohoop.

Authors:  Juraj Malinčík; Sudhakar Gaikwad; Juan P Mora-Fuentes; Marc-Aurèle Boillat; Alessandro Prescimone; Daniel Häussinger; Araceli G Campaña; Tomáš Šolomek
Journal:  Angew Chem Int Ed Engl       Date:  2022-08-04       Impact factor: 16.823

9.  Theoretical Prediction of Structures, Vibrational Circular Dichroism, and Infrared Spectra of Chiral Be4B8 Cluster at Different Temperatures.

Authors:  Carlos Emiliano Buelna-García; Eduardo Robles-Chaparro; Tristan Parra-Arellano; Jesus Manuel Quiroz-Castillo; Teresa Del-Castillo-Castro; Gerardo Martínez-Guajardo; Cesar Castillo-Quevedo; Aned de-León-Flores; Gilberto Anzueto-Sánchez; Martha Fabiola Martin-Del-Campo-Solis; Ana Maria Mendoza-Wilson; Alejandro Vásquez-Espinal; Jose Luis Cabellos
Journal:  Molecules       Date:  2021-06-28       Impact factor: 4.411
  9 in total

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