0000000000936322

AUTHOR

Kristina Lekin

showing 11 related works from this author

Non-Innocent Base Properties of 3- and 4-Pyridyl-dithia- and Diselenadiazolyl Radicals : The Effect of N-Methylation

2018

International audience; Condensation of persilylated nicotinimideamide and isonicotinimideamide with sulfur monochloride affords double salts of the 3-, 4-pyridyl-substituted 1,2,3,5-dithiadiazolylium DTDA cations of the general formula [3-, 4-pyDTDA][Cl][HCl] in which the pyridyl nitrogen serves as a noninnocent base. Reduction of these salts with triphenylantimony followed by deprotonation of the intermediate-protonated radical affords the free base radicals [3-, 4-pyDTDA], the crystal structures of which, along with those of their diselenadiazolyl analogues [3-, 4-pyDSDA], have been characterized by powder or single-crystal X-ray diffraction. The crystal structures consist of “pancake” π…

Base (chemistry)Radicalsuolat (yhdisteet)free radicals02 engineering and technologyCrystal structure010402 general chemistryMetathesistriflate saltsvapaat radikaalit01 natural sciencesMedicinal chemistryChlorideInorganic ChemistrydimersDeprotonationrikkiyhdisteetmedicinePhysical and Theoretical Chemistryta116dithiadiazoleschemistry.chemical_classificationIntermolecular forceFree base[CHIM.MATE]Chemical Sciences/Material chemistryN-methylation021001 nanoscience & nanotechnology0104 chemical sciencesoligomeerichemistry0210 nano-technologymedicine.drug
researchProduct

CCDC 1863396: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters3-(3H-1235-dithiadiazol-4-yl)-1-methylpyridin-1-ium radical trifluoromethanesulfonateExperimental 3D Coordinates
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CCDC 2098810: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal System4-pyridyl-substituted 1235-dithiadiazolyl radicalCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2098809: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal System4-pyridyl-substituted 1235-dithiadiazolyl radicalCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1863394: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

4-(3H-1235-diselenadiazol-4-yl)pyridine radicalSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
researchProduct

CCDC 1863392: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates3-(3H-1235-diselenadiazol-4-yl)pyridine radical
researchProduct

CCDC 1863395: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal System3-(1235-dithiadiazol-1-ium-4-yl)-1-methylpyridin-1-ium bis(trifluoromethanesulfonate)Crystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1863398: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(3H-1235-dithiadiazol-4-yl)-1-methylpyridin-1-ium radical trifluoromethanesulfonateExperimental 3D Coordinates
researchProduct

CCDC 1863393: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(3H-1235-dithiadiazol-4-yl)pyridine radicalExperimental 3D Coordinates
researchProduct

CCDC 1863397: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallography4-(1235-dithiadiazol-1-ium-4-yl)-1-methylpyridin-1-ium bis(trifluoromethanesulfonate)Crystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
researchProduct

CCDC 1863391: Experimental Crystal Structure Determination

2018

Related Article: Anni I. Taponen, Joanne W. L. Wong, Kristina Lekin, Abdeljalil Assoud, Craig M. Robertson, Manu Lahtinen, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman, Richard T. Oakley|2018|Inorg.Chem.|57|13901|doi:10.1021/acs.inorgchem.8b02416

Space GroupCrystallography3-(3H-1235-dithiadiazol-4-yl)pyridine radicalCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
researchProduct