Di‐ and tri‐organotin(IV) derivatives of (Z)‐3‐(4‐nitrophenyl)‐2‐phenyl‐2‐propenoic acid: spectroscopic characterization and biocidal studies. Crystal structure analysis of tetrameric tri‐n‐butyltin(IV) (Z)‐3‐(4‐nitrophenyl)‐2‐phenyl‐2‐propenoate

Sadiq‐ur‐Rehman,; Ali, Saqib; Badshah, Amin; Malik, Abdul; Ahmed, Ejaz; Jin, Guo‐Xin; Tiekink, Edward R. T.

doi:10.1002/aoc.687

Cited by 37 publications

(23 citation statements)

References 30 publications

(25 reference statements)

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“…7 is also reported in the literature [27] which is formed with tributyltin moiety. The these cyclotetrameric structures, which may be thought of as being intermediate between monomeric and polymeric extremes described above, remains elusive.…”

Section: Five Coordinated Complexessupporting

confidence: 57%

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Structural chemistry of organotin(IV) complexes

Shahzadi

Ali

2008

JICS

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The amazing structural diversity in organotin compounds is discussed in the systems containing -O and -S donor ligands. It is demonstrated that there exist a fascinating range of structural diversity for organotin(IV) complexes, including differences in coordination number and molecular geometry. The difference in structure is correlated with the nature of tin and ligand bonded R groups. Despite the large number of different structures found in organotin(IV) carboxylates, there is limited range of coordination geometries about the Sn atom. The four coordinated Sn atom in triorganotin(IV) complexes is invariably distorted tetrahedral and five coordinated Sn is distorted trigonal bipyramidal. A large range has been observed for diorganotin carboxylate structures, where five, six and seven coordinate geometries have been reported. The Sn atom in mono-organotin has only been demonstrated to exist in distorted octahedral geometries (the single exception being a pentagonal bipyramidal geometry). In the case of organotin(IV) complexes of S donor ligands, it has been shown that there exists a rich diversity in Sn atom geometries and coordination modes of the sulfur donor ligands themselves. As in related carboxylate systems, the assignment of coordination numbers to the Sn centers in some compounds is controversial. As a general trend, it has been shown that, the overall coordination number at the Sn atom decreases with the increasing number of organic substituents at the Sn atom. This phenomenon is usually achieved by increased asymmetry in the mode of coordination of the sulfur donor ligands.

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Section: Five Coordinated Complexessupporting

confidence: 57%

“…The axial angle of 171.19(10)° for the Sn1 atom is more significantly distorted from the ideal angle compared with Sn2 atom, for which the equivalent angle is 177.62(11)°. There are three R 3 Sn(O 2 CR`) structures reported in the literature[27][28][29] that adopt tetrameric motif. The rationalization of the appearance of…”

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confidence: 99%

Structural chemistry of organotin(IV) complexes

Shahzadi

Ali

2008

JICS

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“…Referring to the literature [13], the geometry of tin atom in the diorganotin(IV) carboxylates is based on skew-trapezoidal [13]. In conclusion, the infrared data ('Q) suggest a bidentate coordination of COO group to tin atom for carboxylate ligands in the solid state.…”

Section: Infrared Spectroscopymentioning

confidence: 78%

“…The value of Sn-C coupling n J[ 119 Sn-13 C] describes a tetrahedral geometry around the tin atom. The magnitudes for n J[ 119 Sn, 13 C] coupling are also observed and are given in Table 6. The coupling constants, n J[ 119 Sn, 13 C] are important parameters for the determination of C-Sn-C bond angles and structure characterization of organotin(IV) compounds.…”

Section: Nmr Spectroscopymentioning

confidence: 90%

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Spectroscopic studies of biologically active organotin(IV) derivatives of 2-[N-(2,4,6-tribromophenylamido]propanoic acid

Shahid

Shahzadi²,

Ali

2008

JICS

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Herein we describe the synthesis and characterization of compounds having the formulae R 2 SnL 2 and R 3 SnL, where R = Me, n-Bu, Ph and n-Oct and L = 2-[N-(2,4,6-tribromophenylamido]propanoic acid. All the complexes have been characterized by various spectroscopic methods (IR and 1 H, 13 C, 119 Sn NMR), elemental analysis, mass spectrometry and physical data. These compounds were also screened for their biological activity and found some encouraging results.

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Synthesis, characterization and biological activity of diorganotin dithioate derivatives

Chen

et al. 2006

Applied Organom Chemis

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O} 2 in a 1 : 1 molar ratio, respectively, which have been characterized by IR, NMR ( 1 H, 13 C and 119 Sn) spectra and elemental analyses. X-ray crystal structure analyses indicate that the compound [(C 4 H 3 S)CS 2 CH 2 CO 2 ] 2 Sn(Bu n ) 2 is monomeric with the tin atom occupying a skew-trapezoidal bipyramidal geometry. In addition, this compound forms a three-dimensional structure through the weak intermolecular S ... S and Sn ... O interactions. Compound {[((C 4 H 3 S)CS 2 CH 2 CO 2 )Sn(Bu n ) 2 ] 2 O} 2 is a centrosymmetric dimer with a cyclic Sn 2 O 2 unit, in which the coordination modes of the two crystallographically unique carboxylic ligands are different. One acts as monodentate ligand by the carboxylate oxygen atom, the other bridges two tin atoms via only one carboxylate oxygen atom. Furthermore, each tin atom in this compound locates a distorted trigonal bipyramidal geometry. Biological activities of these organotin compounds show that they have hardly acaricidal activity, but display certain activities on fungi. In mononuclear tin compounds, the inhibition percentage of [(C 4 H 3 S)CS 2 CH 2 CO 2 ] 2 Sn(Bu n ) 2 in vitro for Alternaria solani and Physolospora piricola is 57.1% and 43.9%, respectively, while in dimers {[((C 4 H 3 O)CS 2 CH 2 CO 2 )Sn(Bu n ) 2 ] 2 O} 2 shows high inhibition percentage for Gibbereila zeae (52.6%) and Physolospora piricola (50.0%), respectively.This compound was obtained similarly using carboxymethyl 2-furandithioate (1 mmol) reacted with n Bu 2 SnO (1 mmol) as described above for 1. The reaction time was 4 h. After

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Di‐ and tri‐organotin(IV) derivatives of (Z)‐3‐(4‐nitrophenyl)‐2‐phenyl‐2‐propenoic acid: spectroscopic characterization and biocidal studies. Crystal structure analysis of tetrameric tri‐n‐butyltin(IV) (Z)‐3‐(4‐nitrophenyl)‐2‐phenyl‐2‐propenoate

Cited by 37 publications

References 30 publications

Structural chemistry of organotin(IV) complexes

Structural chemistry of organotin(IV) complexes

Spectroscopic studies of biologically active organotin(IV) derivatives of 2-[N-(2,4,6-tribromophenylamido]propanoic acid

Synthesis, characterization and biological activity of diorganotin dithioate derivatives

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