Schiff bases as possible hydrogen bond donors and acceptors

2021 ◽  
pp. 130136
Author(s):  
Addi Dana Sánchez-Pacheco ◽  
Mónica Hernández-Vergara ◽  
Everardo Jaime-Adán ◽  
Simón Hernández-Ortega ◽  
Jesús Valdés-Martínez
Keyword(s):  
Hydrogen Bond ◽  
Schiff Bases ◽  
Hydrogen Bond Donors

Investigation of Hydrogen Bonding Interaction between Bolaform Schiff Bases with Barbituric Acid by HPLC

2011 ◽  
Vol 356-360 ◽  
pp. 48-51
Author(s):  
Qi Tong ◽  
Ti Feng Jiao
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonding ◽  
Liquid Chromatography ◽  
Schiff Bases ◽  
Barbituric Acid ◽  
Flexible Structure ◽  
Intermolecular Hydrogen Bonding ◽  
Acid Molecule ◽  
Hydrogen Bonding Interaction ◽  
Bonding Interaction

In order to investigate the intermolecular hydrogen bonding of special amphiphiles, two bolaform amphiphilic Schiff bases (GN1 and GN2) with different hydrophilic spacers were designed, and their interaction with barbituric acid were tested by liquid chromatography. The chromatographic properties showed that both the Schiff bases showed hydrogen bonding interaction with barbituric acid. In addition, the influence of various detectors was also studied on both cases. Experimental results show that the test with FLD showed better determination than other detectors. It is proposed that due to the directionality and strong matching of hydrogen bond, one barbituric acid molecule can be encapsulated into the intramolecular area of GN1, while two barbituric acid molecules were trapped into the GN2 molecule through intermolecular H-bonds for GN2 due to the long spacer and flexible structure. A rational complex mode was proposed.

Gold setting the “gold standard” among transition metals as a hydrogen bond acceptor – a theoretical investigation

2017 ◽  
Vol 46 (15) ◽  
pp. 4960-4967 ◽  
Author(s):  
Ferdinand Groenewald ◽  
Helgard G. Raubenheimer ◽  
Jan Dillen ◽  
Catharine Esterhuysen
Keyword(s):  
Hydrogen Bond ◽  
Transition Metals ◽  
Theoretical Investigation ◽  
Gold Standard ◽  
Hydrogen Bond Acceptor ◽  
Hydrogen Bond Donors

MP2/aug-cc-pVTZ-pp calculations show that the Au(i) atom of dimethylaurate behaves as a hydrogen-bond acceptor to a range of hydrogen-bond donors.

scholarly journals Anion-Abstraction Catalysis: The Cooperative Mechanism of α-Chloroether Activation by Dual Hydrogen-Bond Donors

ACS Catalysis ◽  
2016 ◽  
Vol 6 (7) ◽  
pp. 4616-4620 ◽  
Author(s):  
David D. Ford ◽  
Dan Lehnherr ◽  
C. Rose Kennedy ◽  
Eric N. Jacobsen
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bond Donors

scholarly journals New approaches to organocatalysis based on C–H and C–X bonding for electrophilic substrate activation

2016 ◽  
Vol 12 ◽  
pp. 2834-2848 ◽  
Author(s):  
Pavel Nagorny ◽  
Zhankui Sun
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Recent Progress ◽  
Halogen Bonds ◽  
Hydrogen Bond Donor ◽  
New Approaches ◽  
Substrate Activation ◽  
Non Covalent Interactions ◽  
Covalent Interactions ◽  
Hydrogen Bond Donors

Hydrogen bond donor catalysis represents a rapidly growing subfield of organocatalysis. While traditional hydrogen bond donors containing N–H and O–H moieties have been effectively used for electrophile activation, activation based on other types of non-covalent interactions is less common. This mini review highlights recent progress in developing and exploring new organic catalysts for electrophile activation through the formation of C–H hydrogen bonds and C–X halogen bonds.

ChemInform Abstract: Homoallylic Alcohols and Trichloroacetamides as Hydrogen Bond Donors for Directed Dihydroxylation.

ChemInform ◽  
2010 ◽  
Vol 33 (9) ◽  
pp. no-no
Author(s):  
Timothy J. Donohoe ◽  
Lee Mitchell ◽  
Michael J. Waring ◽  
Madeleine Helliwell ◽  
Andrew Bell ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Homoallylic Alcohols ◽  
Hydrogen Bond Donors
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