Structure, Conformation, and Dynamic Processes of the Stereolabile Atropisomers of Hindered Terphenyl Hydrocarbons

Author:

Lunazzi Lodovico1,Mazzanti Andrea1,Minzoni Mirko1,Anderson J. Edgar1

Affiliation:

1. Department of Organic Chemistry “A. Mangini”, University of Bologna, viale Risorgimento 4, Bologna I-40136, Italy, and Chemistry Department, University College, Gower Street, London, U.K.

Publisher

American Chemical Society (ACS)

Subject

Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry

Reference19 articles.

1. Synthesis and Characterization of Organic Materials with Conveniently Accessible Supercooled Liquid and Glassy Phases:  Isomeric 1,3,5-Tris(naphthyl)benzenes

2. Conformational Studies by Dynamic NMR. 90.1 Structure and Stereodynamics of the Rotamers of Di- and Tri-α-naphthylphenyl Derivatives

3. Conformational studies by dynamic NMR spectroscopy. Part 96: Stereomutations of highly hindered naphthylphenyl atropisomers in solution and in the solids

4. (a) Ab initio computations were carried out at the B3LYP/6-31G(d) level by means of the Gaussian 03 programs4b(the standard Berny algoritm in redundant internal coordinates, and default criteria of convergence were employed). Harmonic vibrational frequency were calculated in order to ascertain the nature of all the stationary points. For each optimized ground state the frequency analysis showed the absence of imaginary frequencies, whereas for each transition state the frequency analysis showed a single imaginary frequency. The corresponding optimised structures are reported in the Supporting Information.

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