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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

beta-Hydroxy Carbonyl compounds via aldol reaction: Single crystal investigation and quantum chemical exploration for the unveiling of supramolecular behavior

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Author(s):
Khalid, Muhammad [1] ; Ali, Akbar [2] ; Din, Zia Ud [3] ; Tahir, Muhammad Nawaz [4] ; de Alcantara Morais, Sara Figueiredo [5] ; Carmo Braga, Ataualpa Albert [5] ; Akhtar, Muhammad Nadeem [6] ; Imran, Muhammad [7] ; Rodrigues-Filho, Edson [3]
Total Authors: 9
Affiliation:
[1] Khwaja Fareed Univ Engn & Informat Technol, Dept Chem, Rahim Yar Khan 64200 - Pakistan
[2] Govt Coll Univ Faisalabad, Dept Chem, Faisalabad - Pakistan
[3] Univ Fed Sao Carlos, Dept Quim, LaBioMMi, CP 676, BR-13565905 Sao Carlos, SP - Brazil
[4] Univ Sargodha, Dept Phys, Sargodha - Pakistan
[5] Univ Sao Paulo, Dept Quim Fundamental, Inst Quim, Av Prof LineuPrestes 748, BR-05508000 Sao Paulo - Brazil
[6] Islamia Univ Bahawalpur, Inst Chem, Div Inorgan Chem, Baghdad Ul Jadeed Campus, Bahawalpur 63100 - Pakistan
[7] King Khalid Univ, Fac Sci, Dept Chem, POB 9004, Abha 61413 - Saudi Arabia
Total Affiliations: 7
Document type: Journal article
Source: Journal of Molecular Structure; v. 1241, OCT 5 2021.
Web of Science Citations: 0
Abstract

Aldol reaction is a carbon-carbon bond forming chemical reaction for synthesis of beta-hydroxy carbonyl compounds. In the current research work, we have synthesized beta-hydroxy carbonyl compounds i.e 2-(hydroxy(4-nitrophenyl)methyl)cyclohexan-1-one (1) 2-(hydroxy(o-tolyl)methyl)cyclohexan-1-one (2) using base mediated aldol reaction. The chemical structures of the synthesized compounds have been analyzed by the single crystal investigation. The SC-XRD data reveals that intermolecular forces are responsible for crystals stabilization. These compounds are linked together in the form of dimers that are interlinked through C-H center dot center dot center dot O bonding together with N-O center dot center dot center dot pi interaction that further contribute to stabilization beside H-bonding interaction. Additionally, compound 1 is present in monoclinic crystal system with P2(1)/c space group while 2 is present in triclinic crystal system with P (1) over bar space group. Moreover, DFT calculations were performed with B3LYP-D3/6-311G(d,p) method to calculate non-covalent interactions in compounds 1 and 2 through NBO and AIM analysis. TD-DFT computations with CAM-B3LYP/6-311G(d,p) level of theory were also performed to evaluate the reactivity of compounds 1 and 2 through FMO, GRD and hole-electron analysis. Theoretical calculations demonstrate the importance of substituent groups on the reactivity and their influence in the non-covalent interactions which direct their arrangement. (C) 2021 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 15/01491-3 - Theoretical study of cross-coupling reactions: homogeneous and heterogeneous catalysis
Grantee:Ataualpa Albert Carmo Braga
Support Opportunities: Regular Research Grants
FAPESP's process: 11/07895-8 - Theoretical study of the Heck-Matsuda reactions
Grantee:Ataualpa Albert Carmo Braga
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 14/25770-6 - New frontiers in cross-coupling reactions promoted by palladium: combining enantioselective catalysis, C-H activations, new materials and in flux reactions aiming at high efficiency and sustainability in synthetic processes
Grantee:Carlos Roque Duarte Correia
Support Opportunities: Research Projects - Thematic Grants