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Revision as of 18:20, 11 December 2010 editEdgar181 (talk | contribs)Extended confirmed users196,325 edits removed Category:Tellurides; added Category:Organotellurium compounds using HotCat← Previous edit Latest revision as of 16:48, 15 June 2024 edit undoBernanke's Crossbow (talk | contribs)Extended confirmed users7,812 edits →top: e-EROS content 
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{{chembox {{chembox
| Watchedfields = changed
| verifiedrevid = 399909298 | verifiedrevid = 401811709
| ImageFile = Ph2Te2.png | ImageFile = Ph2Te2.png
<!-- | ImageSize = 150px -->
| ImageName = Chemical structure of diphenyl ditelluride | ImageAlt = Chemical structure of diphenyl ditelluride
| ImageFile1 = Diphenyl-ditelluride-(P)-enantiomer-from-xtal-Mercury-3D-sf.png
| IUPACName = Diphenylditelluide
| ImageAlt1 = Space-filling model of the diphenyl ditelluride molecule
⚫ | OtherNames = Phenylditelluride
| PIN = 1,1′-Ditellanediyldibenzene
⚫ | Section1 = {{Chembox Identifiers
⚫ | OtherNames = Phenylditelluride<br>Diphenylditelluride
⚫ | SMILES = C1(TeTeC2=CC=CC=C2)=CC=CC=C1
⚫ |Section1={{Chembox Identifiers
⚫ | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| CASNo_Ref = {{cascite|correct|??}}
⚫ | CASNo = 32294-60-3
| ChEMBL = 4540731
⚫ | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 90943 | ChemSpiderID = 90943
| EC_number = 250-982-1
| PubChem = 100657 | PubChem = 100657
| InChI = 1/C12H10Te2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H | InChI = 1/C12H10Te2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H
| InChIKey = VRLFOXMNTSYGMX-UHFFFAOYAJ | InChIKey = VRLFOXMNTSYGMX-UHFFFAOYAJ
⚫ | SMILES1 = (c1ccccc1)c2ccccc2
| StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C12H10Te2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H | StdInChI = 1S/C12H10Te2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = VRLFOXMNTSYGMX-UHFFFAOYSA-N | StdInChIKey = VRLFOXMNTSYGMX-UHFFFAOYSA-N
⚫ | SMILES = C1(C2=CC=CC=C2)=CC=CC=C1
⚫ | CASNo = 32294-60-3
⚫ | SMILES1 = (c1ccccc1)c2ccccc2
| RTECS =
}} }}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| Formula = C<sub>12</sub>H<sub>10</sub>Te<sub>2</sub> | Formula = C<sub>12</sub>H<sub>10</sub>Te<sub>2</sub>
| MolarMass = 409.42 g/mol | MolarMass = 409.42 g/mol
| Appearance = Orange powder | Appearance = Orange powder
| Density = 2.23 g/cm<sup>3</sup> | Density = 2.23 g/cm<sup>3</sup>
| Solubility = Insoluble | Solubility = Insoluble
| Solvent = other solvents | Solvent = other solvents
| SolubleOther = ] | SolubleOther = ]
| MeltingPt = 66-67 °C | MeltingPtC = 66 to 67
| MeltingPt_notes =
| BoilingPt = decomp. | BoilingPt = decomposes
}} }}
| Section3 = {{Chembox Structure |Section3={{Chembox Structure
| Coordination = 90° at Se<br />C<sub>2</sub> symmetry | Coordination = 90° at Se<br />C<sub>2</sub> symmetry
| Dipole = 0 ] | Dipole = 0 ]
}} }}
| Section7 = {{Chembox Hazards |Section7={{Chembox Hazards
| ExternalMSDS = | ExternalSDS =
| MainHazards = Toxic | MainHazards = Toxic
| GHS_ref=<ref>{{cite web |title=Diphenyl ditelluride |url=https://pubchem.ncbi.nlm.nih.gov/compound/100657#section=Safety-and-Hazards |website=pubchem.ncbi.nlm.nih.gov |access-date=23 December 2021 |language=en}}</ref>
| RPhrases = 20/21/22-36/37/38
| GHSPictograms = {{GHS07}}
| SPhrases = 26-36
| GHSSignalWord = Warning
| HPhrases = {{H-phrases|302|312|315|319|332|335}}
| PPhrases = {{P-phrases|261|264|270|271|280|301+312|302+352|304+312|304+340|305+351+338|312|321|322|330|332+313|337+313|362|363|403+233|405|501}}
}} }}
| Section8 = {{Chembox Related |Section8={{Chembox Related
| OtherCpds = ],<br />] | OtherCompounds = ],<br />]
}} }}
}} }}


'''Diphenylditelluride''' is the ] with the formula (C<sub>6</sub>H<sub>5</sub>Te)<sub>2</sub>, abbreviated ]<sub>2</sub>Te<sub>2</sub> This orange-coloured solid is the oxidized derivative of the unstable benzenetellurol, PhTeH. Ph<sub>2</sub>Te<sub>2</sub> is used as a source of the PhTe unit in ]. '''Diphenylditelluride''' is the ] with the formula (C<sub>6</sub>H<sub>5</sub>Te)<sub>2</sub>, abbreviated ]<sub>2</sub>Te<sub>2</sub>. This orange-coloured solid is the oxidized derivative of the unstable benzenetellurol, PhTeH. Ph<sub>2</sub>Te<sub>2</sub> is used as a source of the PhTe unit in ]<ref>{{cite journal|last1=Mohan|first1=Balaji|last2=Yoon|first2=Chohye|last3=Jang|first3=Seongwan|last4=Park|first4=Kang Hyun|title=Copper Nanoparticles Catalyzed Se(Te)-Se(Te) Bond Activation: A Straightforward Route Towards Unsymmetrical Organochalcogenides from Boronic Acids|journal=ChemCatChem|volume=7|issue=3|year=2015|pages=405–412|issn=1867-3880|doi=10.1002/cctc.201402867|s2cid=97000699}}</ref> and as a ] for ] reactions.<ref>{{cite journal |title= Rate Accelerations of Bromination Reactions with NaBr and H<sub>2</sub>O<sub>2</sub> via the Addition of Catalytic Quantities of Diaryl Ditellurides |first1= Eduardo E. |last1= Alberto |first2= Lisa M. |last2= Muller |first3= Michael R. |last3= Detty |journal= Organometallics |year= 2014 |volume= 33 |issue= 19 |pages= 5571–5581 |doi= 10.1021/om500883f }}</ref> The compound is a strong ], easily displacing ]s. It also ], and ].<ref>{{cite encyclopedia|doi=10.1002/047084289X.rd416|entry=Diphenyl ditelluride|first1=David|last1=Crich|author2=Yao Qingwei|encyclopedia=]}}</ref>


==Preparation== ==Preparation==
Ph<sub>2</sub>Te<sub>2</sub> is prepared by the oxidation of phenyltelluroate, which is generated via the ]:<ref>Crich, D.; Yao, Q. ”Diphenyl Ditelluride" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley & Sons, New York. DOI: 10.1002/047084289.</ref> Ph<sub>2</sub>Te<sub>2</sub> is prepared by the oxidation of tellurophenolate, which is generated via the ]:<ref>Crich, D.; Yao, Q. "Diphenyl Ditelluride" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley & Sons, New York. {{doi|10.1002/047084289X.rd416}}.</ref>
:] + Te &rarr; PhTeMgBr :] + Te → PhTeMgBr
:2PhTeMgBr + 0.5 O<sub>2</sub> + H<sub>2</sub>O &rarr; Ph<sub>2</sub>Te<sub>2</sub> + 2 MgBr(OH) :2PhTeMgBr + 0.5 O<sub>2</sub> + H<sub>2</sub>O → Ph<sub>2</sub>Te<sub>2</sub> + 2 MgBr(OH)


The molecule has ''C<sub>2</sub>'' ]. The molecule has ''C<sub>2</sub>'' ].
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<references/> <references/>


] ]
] ]