Bis[3-(dihydroxyboryl)anilinium] sulfate

Vega, Araceli; Luna, R.; Tlahuext, Hugo; Höpfl, Herbert

doi:10.1107/s1600536810012092

Cited by 5 publications

(5 citation statements)

References 21 publications

(26 reference statements)

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“…In the crystal of 3-aminophenyl boronic acid hydrochloride, each chloride ion is connected four organic ions by N-H···Cl and O-H···Cl hydrogen bonds (Li et al, 1995). Bis[3-(dihydroxyboryl)anilinium] sulfate can provide a complex three-dimensional supramolecular network by hydrogen bonds (Vega et al, 2010).…”

Section: Methodsmentioning

confidence: 99%

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3-(Dihydroxyboryl)anilinium 6-carboxypyridine-2-carboxylate

Zhang

2012

Acta Cryst E

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In the anion of the title molecular salt, C6H9BNO2 +·C7H4NO4 −, the dihedral angles between the –COO2− and –CO2H groups and their attached ring are 4.02 (13) and 21.41 (10)°, respectively. The B atom in the cation adopts a syn–syn geometry and the dihedral angle between the –B(OH)2 group and its attached ring is 11.06 (5)°. In the crystal, O—H⋯O, N—H⋯O and N—H⋯N hydrogen bonds link the components into a three-dimensional network.

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Section: Methodsmentioning

confidence: 99%

“…For related structures, see: Li et al (1995); SeethaLekshmi & Pedireddi (2006); Sokolov & MacGillivray (2006); Vega et al (2010). Table 1 Hydrogen-bond geometry (Å , ).…”

Section: Related Literaturementioning

confidence: 99%

3-(Dihydroxyboryl)anilinium 6-carboxypyridine-2-carboxylate

Zhang

2012

Acta Cryst E

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“…With strong acceptor groups, boronic acids can form strong double‐bridged hydrogen bonding synthons such as the ‐B(OH) 2 ··· – OOC motif formed with carboxylate groups . Although this capability has received attention for applications in molecular recognition, [25] structurally related heterodimeric synthons with other anions such as halides, sulfates/sulfonates and phosphate/phosphonates are practically unexplored.…”

Section: Introductionmentioning

confidence: 99%

Exploration of the Luminescence Properties of Organic Phosphate Salts of 3‐Quinoline‐ and 5‐Isoquinolineboronic Acid

et al. 2019

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3-Quinoline-and 5-isoquinolineboronic acids (3QBA and 5IQBA) were combined with 1-naphthyl and diphenyl phosphate (1NP and DPP) to give three crystalline molecular salts of 1:1 stoichiometric composition, viz., 3QBA-1NP, 5IQBA-1NP and 3QBA-DPP. The products were characterized by elemental analysis, single-crystal X-ray diffraction studies, IR spectroscopy, luminescence spectroscopy and TG-DSC measurements. The analysis of the solid-state structures revealed that the molecular components are linked by strong charge-assisted hydrogen bonds forming heterodimeric synthons of the type B(OH) 2 ··· -O 2 P and N + -H···O(P). In addition, the hydrogen phos- [a] Crystalline solids of compounds 3QBA-1NP, 5IQBA-1NP and 3QBA-DPP were isolated upon combination of the starting reagents in absolute ethanol. The products were characterized by elemental analysis, single-crystal X-ray diffraction (SCXRD) analysis, IR spectroscopy and TG-DSC analysis. In addition, the luminescence properties were explored. 2708 Scheme 1. List of compounds employed for the formation of the molecular salts described in this contribution.

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“…[1][2][3][4][5] A further motivation for the continuing interest is that the building block approach for constructing hydrogen bonded networks requires a library of useful tectons. Some of the many classes of compounds that have been examined in this regard include derivatives of 2-pyridone, 6,7 boronic acid, 4,[8][9][10][11][12][13][14][15][16][17][18][19] and aniline. [20][21][22] An interesting feature of aminopyridines, unlike the structurally similar anilines, is their ability to form homoconjugated dimers, as shown in Scheme 1.…”

Section: Introductionmentioning

confidence: 99%