Monooxytellurane(IV) Derivatives ([10−Te−4(C3O)]). Syntheses and Molecular Structure of Triaryltelluronium Carboxylate Compounds

Sato, Soichi; Kondo, Norihisa; Horn, Ernst; Furukawa, Naomichi

doi:10.1021/om970958b

Cited by 9 publications

(2 citation statements)

References 23 publications

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“…Closely related with the previous structure are those of centrosymmetric dimers (2,2'-biphenylylene)(2-biphenylyl)phenoxytellurium 61 [HETGES] (Fig. 17) and (2,2'-biphenylylene)-(2-biphenylyl)benzoyloxytellurium 62 [NOSTOE] (Fig. 18).…”

Section: Dimeric Supermolecules Self-assembled Through Tellurium P-c ...supporting

confidence: 58%

Tellurium⋯π-aryl interactions: a new bonding motif for supramolecular self-assembly and crystal engineering

Zukerman-Schpector

Haiduc

2002

CrystEngComm

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A search of the Cambridge Structural Database (CSD) was performed to identify Te … p-aryl interactions not reported before in the literature. The examination of the distance between tellurium atoms and aryl group centroids and the analysis of crystal packing, using deposited crystal structure data, produced a list of organotellurium compounds which showed a variety of Te … p bonding interactions. These include inter-ionic Te … p interactions in anion-cation ion pairs, intramolecular Te … p-aryl interactions in mono-and di-nuclear covalent molecular compounds, as well as in dimeric and tetrameric supermolecules or in supramolecular polymeric arrays formed through secondary bonds. Most interesting was the finding that intermolecular Te … p aryl interactions can connect molecular tectons, leading to supramolecular self-assembly with formation of dimeric and polymeric superstructures. Finally, Te … p aryl interactions may interconnect polymeric chains formed through Te … X secondary bonds into 2D and perhaps 3D networks. Thus, the Te … aryl interactions appear as a new bonding motif for supramolecular self-assembly, which could be exploited for crystal engineering in organotellurium chemistry, i.e. for the design of new materials with attractive useful properties.

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Section: Dimeric Supermolecules Self-assembled Through Tellurium P-c ...supporting

confidence: 58%

Tellurium⋯π-aryl interactions: a new bonding motif for supramolecular self-assembly and crystal engineering

Zukerman-Schpector

Haiduc

2002

CrystEngComm

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“…It is in agreement with the IR stretching frequencies (1640 (ν as (C–O)) and 1298 (ν s (C–O)) cm –1 ) reported for 2-(phenylazo)phenyl- C , N ′)tellurium acetate, (C 12 H 9 N 2 )Te(O 2 CMe), which has a difference of 342 cm –1 . The antisymmetric and symmetric stretches for the related triaryltelluronium carboxylate 18 were observed at 1564 (ν as (C–O)) and 1379 (ν s (C–O)) cm –1 , respectively, with a deference of 185 cm –1 . They indicate that acyloxy groups in 8 and 2-(phenylazo)phenyl- C , N ′)tellurium acetate have an ester character and the acyloxy group in 18 has a carboxylate character .…”

Section: Resultsmentioning

confidence: 98%

Methyl Ester Function: An Intramolecular Electrophilic Trap for the Isolation of Aryltellurenyl Hydroxide and Diorganotellurium Dihydroxide

Selvakumar¹,

Singh²,

Goel³

2011

Organometallics

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The formation of an aryltellurenyl hydroxide analogue proposed in the telluroxide elimination reaction has been studied. The reaction of the monotelluride dimethyl 5-tert-butyl-2-(butyltellanyl)isophthalate (6) with H2O2 afforded the corresponding aryldiacyloxy-n-butyltellurane (8). The reaction of 6 with oxygen in the presence of moisture resulted in the formation of 8 as the major product along with traces of dimethyl 5-tert-butyl-2-(butyltellurinyl)isophthalate (7) and methyl 5-tert-butyl-3-oxo-3H-benzo[c][1,2]oxa tellurole-7-carboxylate (9). The telluroxide intermediate 7 readily undergoes a facile elimination reaction to give the elusive aryltellurenyl hydroxide, which is immediately trapped by the adjacent methyl ester functionality to give the cyclic tellurenate ester 9. Similarly, the hydrolysis of 7 with H2O affords the corresponding dihydroxytellurane 10, which is immediately converted to tellurane 8. Both compounds 8 and 9 have been characterized by single-crystal X-ray crystallographic studies.

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Studies on diverse chemical species derived from chalcogen atoms ~ The Footprint of Professor Naomichi Furukawa in Heteroatom Chemistry ~

Sato

2018

Heteroatom Chemistry

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This account summarizes representative contributions of Prof. Naomichi Furukawa to the field of heteroatom chemistry. Ligand‐coupling reactions (LCRs) and ligand‐exchange reactions (LERs) of chalcogen derivatives were developed from reactions of trivalent chalcogen species with organometallic reagents. Prof. Furukawa has also reported a large number of mono‐ and dicationic compounds generated via transannular and intermolecular interactions. Furthermore, the detection and isolation of hypercoordinated chalcogen species bearing only carbon ligands and an efficient method for the synthesis of thiophene S‐oxides and their reactivity are described.

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Monooxytellurane(IV) Derivatives ([10−Te−4(C3O)]). Syntheses and Molecular Structure of Triaryltelluronium Carboxylate Compounds

Cited by 9 publications

References 23 publications

Tellurium⋯π-aryl interactions: a new bonding motif for supramolecular self-assembly and crystal engineering

Tellurium⋯π-aryl interactions: a new bonding motif for supramolecular self-assembly and crystal engineering

Methyl Ester Function: An Intramolecular Electrophilic Trap for the Isolation of Aryltellurenyl Hydroxide and Diorganotellurium Dihydroxide

Studies on diverse chemical species derived from chalcogen atoms ~ The Footprint of Professor Naomichi Furukawa in Heteroatom Chemistry ~

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