Syntheses and crystal structures of dimethyltin (IV) derivatives with 2,6-pyridinedicarboxylic acid

Ma, Chunlin; Li, Jikun; Zhang, Rufen; Wang, Daqi

doi:10.1016/j.ica.2005.08.002

Cited by 44 publications

(25 citation statements)

References 32 publications

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“…A single resonance was also observed for the COO group in the 13 C NMR spectrum of [Me 2 Sn(2, 6-C 5 H 3 N)(COO) 2 ] 2 (MeOH) 2 . [13] As observed previously, the 13 C NMR downfield shifts of the resonance of the C p atom were attributed to the Sn-N bonds. [13] The solution 119 Sn NMR spectrum of both complexes consists of only one resonance, the chemical shifts of compounds 1 and 2, −563.2 and −396.5 ppm, falling within the range of seven-and six-coordinated compounds, respectively.…”

Section: Nmr Spectroscopysupporting

confidence: 68%

“…Infrared spectra from 4000-400 cm −1 were recorded on a Shimadzu 470 FT-IR instrument, using KBr pellets. 1 H, 13 …”

Section: Methodsmentioning

confidence: 99%

“…For the determination of structural features of organotin carboxylates in solution, their 1 H, 13 C and 119 Sn were recorded. The 1 H NMR spectrum of both complexes shows the expected aliphatic and/or aromatic peaks with the right integration and multiplicities.…”

Section: Nmr Spectroscopymentioning

confidence: 99%

“…The observation of only one carboxyl resonance in the 13 C NMR spectra of complex 1, 171.5 ppm, suggests that the four carboxyl groups of two 2,6-pyridinedicarboxylato ligands are equivalently linked to the tin atom. An alternative explanation would be a dynamic model and a rapid equilibrium, [14] which are involved between a mono-dentate ligand that binds through a carboxyl oxygen and a tridentate ligand that chelates to tin atom.…”

Section: Nmr Spectroscopymentioning

confidence: 99%

“…[13] The reaction of di-n-butyltin oxide with 2,6-pyridinedicarboxylic acid in ethanol in the presence of dicyclohexylamine resulted in the formation of bis(dicyclohexylammonium) bis(2,6-pyridinedicarboxylato)dibutylstannate, in which two 2,6-pyridinedicarboxylato ligands were covalently linked to the tin atom. [14] The last mentioned complex is an ionic species, and contains a seven-coordinated tin atom, and its anhydrous form exhibits a higher in vitro cytotoxic activity compared with carboplatin and cisplatin against breast, colon and ovarian cancers, renal carcinoma and melanoma.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and structural characterization of diorganotin(IV) complexes with 2,6‐pyridinedicarboxylic acid

Azadmeher

Amini

Hadipour

et al. 2007

Applied Organom Chemis

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SnI with 2,6-pyridinedicarboxylic acid, respectively in the presence of sodium methoxide or potassium iso-propoxide. The prepared compounds were characterized by mass spectrometry, IR, 1 H, 13 C and 119 Sn NMR spectroscopies. The molecular structures of both complexes were determined by a single-crystal X-ray analysis. The X-ray structure revealed pentagonal bipyramidal geometry around the tin atom for compound 1, which is incorporated with a hexacoordinated monosodium derivative of 2,6-pyridinedicarboxylic acid. Complex 2 adopts a monomeric structure with two carboxylate oxygen atoms coordinated to tin in monodenate form from equatorial positions, and the coordination number is raised to six as the oxygen of water and pyridine nitrogen occupies the other equatorial positions of octahedron.

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Section: Nmr Spectroscopysupporting

confidence: 68%

“…Infrared spectra from 4000-400 cm −1 were recorded on a Shimadzu 470 FT-IR instrument, using KBr pellets. 1 H, 13 …”

Section: Methodsmentioning

confidence: 99%

Section: Nmr Spectroscopymentioning

confidence: 99%

Section: Nmr Spectroscopymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Synthesis and structural characterization of diorganotin(IV) complexes with 2,6‐pyridinedicarboxylic acid

Azadmeher

Amini

Hadipour

et al. 2007

Applied Organom Chemis

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Fluorogenic Thorium Sensors Based on 2,6‐Pyridinedicarboxylic Acid‐Substituted Tetraphenylethenes with Aggregation‐Induced Emission Characteristics

Wen

Liang

et al. 2015

Chemistry An Asian Journal

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A novel fluorescent sensor based on tetraphenylethene (TPE) modified with 2,6-pyridinedicarboxylic acid (PDA) that shows aggregation-induced emission (AIE) characteristics for thorium recognition with remarkable fluoresence enhancement response has been synthesized. This sensor is capable of visually distinguishing Th(4+) among lanthanides, transition metals, and alkali metals under UV light. Th(4+) can be detected by the naked eye at ppb levels owing to the AIE phenomenon. The sensor showed high selectivity for Th(4+) compared to all other metals tested, and this recognition displayed good anti-interference qualities. This study represents the first application of a AIE fluorescence sensor in actinide metal recognition and it has potential applications in environmental systems for thorium ion detection.

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Intramolecularly O,N,O‐Coordinated Tin(II) Salts: Syntheses, Structures, Cyclization, and Transition Metal Complexation

Alnasr,

Mroß,

Platzek

et al. 2024

Chemistry A European J

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We report the syntheses of tin(II) salts of the types [L1SnX]SnX3 [L1 = 2,6‐{(i‐PrO)2(O)P}2C5H3N: 1, X = Cl; 2, X = Br], [L2SnCl]SnCl3 [L2 = 2‐{(i‐PrO)Ph(O)P}‐6‐{(i‐PrO)2(O)P}C5H3N: 3], [L3SnX]SnX3 [L3 = 2,6‐{MeO(O)C}2C5H3N: 4, X = Cl; 5, X = Br], [L4SnX]SnX3[L4 = 2,6‐{Et2N(O)C}2C5H3N: 6, X = Cl; 7, X = Br]. These compounds were obtained by addition of SnX2 to the corresponding ligand inducing autoionization of the respective tin(II) halide. The thermal stability of 1, 3, and 4 was elucidated, giving, under ester cleavage and cyclisation, the tin(II) derivatives 8‐12. The reaction of [L1SnCl]SnCl3 (1) with W(CO)4(thf)2 afforded the tungsten tetracarbonyl complex [{L1SnCl}{SnCl3}W(CO)4] (13), representing the first example in which a tin(II) stannate anion and a tin(II) stannylium cation simultaneously coordinate to a transition metal centre. The compounds were characterized by single crystal X‐ray diffraction analyses and in part by elemental analyses, IR and NMR spectroscopy, electrospray ionization mass spectrometry. DFT calculations accompany the experimental work.

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Syntheses and crystal structures of dimethyltin (IV) derivatives with 2,6-pyridinedicarboxylic acid

Cited by 44 publications

References 32 publications

Synthesis and structural characterization of diorganotin(IV) complexes with 2,6‐pyridinedicarboxylic acid

Synthesis and structural characterization of diorganotin(IV) complexes with 2,6‐pyridinedicarboxylic acid

Fluorogenic Thorium Sensors Based on 2,6‐Pyridinedicarboxylic Acid‐Substituted Tetraphenylethenes with Aggregation‐Induced Emission Characteristics

Intramolecularly O,N,O‐Coordinated Tin(II) Salts: Syntheses, Structures, Cyclization, and Transition Metal Complexation

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