Pentakis(dimethylamido)tantalum

Pentakis(dimethylamido)tantalum
Names
IUPAC name
Tantalum(V) dimethylazanide
Other names
Pentakis(dimethylamino)tantalum(V), Tantalum dimethylamide
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/5C2H6N.Ta/c5*1-3-2;/h5*1-2H3;/q5*-1;+5
    Key: VSLPMIMVDUOYFW-UHFFFAOYSA-N
  • C[N-]C.C[N-]C.C[N-]C.C[N-]C.C[N-]C.[Ta+5]
Properties
C10H30N5Ta
Molar mass 401.333 g·mol−1
Appearance orange powder (xtl)
Melting point 100 °C
Hazards
GHS labelling:
GHS02: FlammableGHS05: Corrosive
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Pentakis(dimethylamido)tantalum is an organometallic compound of tantalum. It is a colorless solid that is soluble in organic solvents. It hydrolyzes readily to release dimethylamine.

Synthesis and structure

Ta(NMe2)5 is prepared by treating TaCl5 with lithium dimethylamide.[1] The preparation is similar to that for tetrakis(dimethylamido)titanium.

The compound has idealized D3h symmetry (ignoring the organic substituents).

Applications to organic synthesis

Main article: Organotantalum chemistry

The complex effects C-alkylation of secondary amines with 1-alkenes [2] and hydroaminoalkylation of olefins to form alkylamines.[3]

Hydroaminoalkylation Reaction Scheme

References

  1. ^ Bradley, D. C.; Thomas, I. M. (1962-07-01). "Metallo-Organic Compounds Containing Metal–Nitrogen Bonds: Part Iii. Dialkylamino Compounds of Tantalum". Canadian Journal of Chemistry. 40 (7): 1355–1360. doi:10.1139/v62-207. ISSN 0008-4042.
  2. ^ Clerici, Mario G.; Maspero, Federico (1980-01-01). "CatalyticC-Alkylation of Secondary Amines with Alkenes". Synthesis. 1980 (4): 305–306. doi:10.1055/s-1980-29002. ISSN 0039-7881. S2CID 94579838.
  3. ^ Herzon, Seth B.; Hartwig, John F. (2007-05-01). "Direct, Catalytic Hydroaminoalkylation of Unactivated Olefins with N-Alkyl Arylamines". Journal of the American Chemical Society. 129 (21): 6690–6691. doi:10.1021/ja0718366. ISSN 0002-7863. PMC 2590937. PMID 17474747.

Read other articles:

Capas

Capas Munisipalitas di Filipina Tempat categoria:Articles mancats de coordenades Negara berdaulatFilipinaRegion di FilipinaLuzon TengahProvinsi di FilipinaProvinsi Tarlac NegaraFilipina PendudukTotal156.056  (2020 )Tempat tinggal37.160  (2020 )Bahasa resmiKapampangan, Abellen (en), Mag-antsi (en), Tagalog dan Bahasa Iloko GeografiLuas wilayah376,39 km² [convert: unit tak dikenal]Ketinggian55 m Berbatasan denganSan Jose Bamban SejarahPembuatan10 September 1710 Informasi tambaha...

 

 

NGC 60

NGC 60NGC 60 (2MASS)Data pengamatan (2000.0 epos)Rasi bintangPisesAsensio rekta 00j 15m 58.28dDeklinasi -00° 18′ 12.7″Pergeseran merah0.039452[1]Kecepatan radial helio11,827 ± 27 km/s[1]Jarak~500 Mly(Redshift-based)Magnitudo semu (V)14.85Ciri-ciriJenisScUkuran semu (V)1'.30 × 1'.20Penamaan lainUGC 150, MCG 0-1-48, ZWG 382.37, PGC 1058 NGC 60 adalah galaksi spiral tipe Sc yang terletak di konstelasi Pises. NGC 60 terlihat memiliki ...

 

 

The Seasons (Thomson)

The Seasons Title page of 1805 editionAuthorJames ThomsonOriginal titleThe SeasonsCountryScotlandLanguageEnglishGenreBlank versePublication date1730 (1730)Media typePrintTextThe Seasons at Wikisource The Seasons is a series of four poems written by the Scottish author James Thomson. The first part, Winter, was published in 1726, and the completed poem cycle appeared in 1730.[1] The poem was extremely influential, and stimulated works by Joshua Reynolds, John Christophe...

موريتانيا في الألعاب الأولمبية

يفتقر محتوى هذه المقالة إلى الاستشهاد بمصادر. فضلاً، ساهم في تطوير هذه المقالة من خلال إضافة مصادر موثوق بها. أي معلومات غير موثقة يمكن التشكيك بها وإزالتها. (ديسمبر 2018) موريتانيا في الألعاب الأولمبية علم موريتانيا رمز ل.أ.د.  MTN ل.أ.و. اللجنة الأولمبية والرياضية ال...

 

 

Giovani Lo Celso

Giovani Lo Celso Lo Celso con la nazionale argentina nel 2017 Nazionalità  Argentina Altezza 177 cm Peso 68 kg Calcio Ruolo Centrocampista Squadra  Tottenham Carriera Giovanili 2010-2015 Rosario Central Squadre di club1 2015-2017 Rosario Central36 (3)2017-2018 Paris Saint-Germain38 (4)2018-2019 Betis32 (9)2019-2022 Tottenham55 (1)2022-2023→  Villarreal38 (3)2023- Tottenham11 (2) Nazionale 2016 Argentina olimpica3 (0)2017- Argentina50 (3) Pa...

 

 

Interstellar

InterstellarTítulo Interestelar (Hispanoamérica)Ficha técnicaDirección Christopher NolanProducción Emma ThomasChristopher NolanLynda ObstGuion Jonathan NolanChristopher NolanMúsica Hans ZimmerFotografía Hoyte van HoytemaMontaje Lee SmithVestuario Mary ZophresProtagonistas Matthew McConaugheyAnne HathawayJessica ChastainBill IrwinMackenzie FoyJohn LithgowEllen BurstynMichael CaineMatt Damon Ver todos los créditos (IMDb)Datos y cifrasPaís Estados UnidosReino UnidoCanadá.Año 2014Estre...

Europium(III) hydroxide

Europium(III) hydroxide Identifiers CAS Number 16469-19-5 Y 3D model (JSmol) Interactive image ChemSpider 77049 Y ECHA InfoCard 100.036.818 EC Number 240-517-0 PubChem CID 85435 CompTox Dashboard (EPA) DTXSID00926913 InChI InChI=1S/Eu.3H2O/h;3*1H2/q+3;;;/p-3Key: CQQZFSZWNXAJQN-UHFFFAOYSA-K SMILES [Eu+3].[OH-].[OH-].[OH-] Properties Chemical formula Eu(OH)3 Molar mass 202.988 Appearance pale pink solid[1] Solubility product (Ksp) 9.38×10−27[...

 

 

Nabataean Kingdom

Ancient Arab kingdom (3rd century BC – 106 AD) Nabataean Kingdom𐢕𐢃𐢋𐢈3rd century BC–106 ADThe Nabataean Kingdom at its greatest extentCapitalPetra30°19′43″N 35°26′31″E / 30.3286°N 35.4419°E / 30.3286; 35.4419Common languages Nabataean Aramaic (official) Nabataean Arabic (native) Religion Nabataean religionDemonym(s)NabataeanGovernmentMonarchyKing Historical eraAntiquity• Established 3rd century BC• Obodas I repels Hasm...

 

 

Dexter (serie televisiva)

DexterImmagine dalla sigla della serie televisivaTitolo originaleDexter PaeseStati Uniti d'America Anno2006-2013 Formatoserie TV Generedrammatico, poliziesco, thriller, giallo Stagioni8 Episodi96 Durata50 min (episodio) Lingua originaleinglese Rapporto16:9 CreditiIdeatoreJames Manos, Jr. Interpreti e personaggi Michael C. Hall: Dexter Morgan Julie Benz: Rita Bennett Jennifer Carpenter: Debra Morgan Erik King: James Doakes Lauren Vélez: María LaGuerta David Zayas: Angel Batista J...

Mariella Cavanna Scirea

Mariella Cavanna Deputato della Repubblica ItalianaLegislaturaXII, XIII GruppoparlamentareForza Italia (1994-1998) Unione Democratica per l'Europa (1998-2001) CoalizionePdL (1994), PpL (1996) CircoscrizioneI Piemonte 1 (XII legislatura), II Piemonte 2 (XIII) Collegio01 - Alba (XIII legislatura) Incarichi parlamentari Componente della VII COMMISSIONE (ISTRUZIONE) dal 25 maggio 1994 all'8 maggio 1996 Componente della COMMISSIONE SPECIALE COMPETENTE IN MATERIA DI INFANZIA dal 5 luglio 1995 ...

 

 

Truppe ausiliarie dell'esercito romano

Truppe ausiliarie romaneModerna ricostruzione di ausiliari romani del II secolo con la tipica lorica hamata. Descrizione generaleAttiva509 a.C. - 476 NazioneRepubblica romanaImpero romanoImpero romano d'Occidente ServizioEsercito romano Tipocavalleria fanteria arcieri e flombolieri RuoloCombattimento Polizia di frontiera DimensioneCoorti Guarnigione/QGcastra militari PatronoMarte dio della guerraCristo Composte daBarbari romanizzati Battaglie/guerreBattaglie romane Reparti dipendentiCoorte eq...

 

 

2016年美國總統選舉

2016年美國總統選舉 ← 2012 2016年11月8日 2020 → 538個選舉人團席位獲勝需270票民意調查投票率55.7%[1][2] ▲ 0.8 %   获提名人 唐納·川普 希拉莉·克林頓 政党 共和黨 民主党 家鄉州 紐約州 紐約州 竞选搭档 迈克·彭斯 蒂姆·凱恩 选举人票 304[3][4][註 1] 227[5] 胜出州/省 30 + 緬-2 20 + DC 民選得票 62,984,828[6] 65,853,514[6]...

2016年美國總統選舉

2016年美國總統選舉 ← 2012 2016年11月8日 2020 → 538個選舉人團席位獲勝需270票民意調查投票率55.7%[1][2] ▲ 0.8 %   获提名人 唐納·川普 希拉莉·克林頓 政党 共和黨 民主党 家鄉州 紐約州 紐約州 竞选搭档 迈克·彭斯 蒂姆·凱恩 选举人票 304[3][4][註 1] 227[5] 胜出州/省 30 + 緬-2 20 + DC 民選得票 62,984,828[6] 65,853,514[6]...

 

 

The Debt (2010 film)

2010 filmThe DebtTheatrical release posterDirected byJohn MaddenScreenplay by Matthew Vaughn Jane Goldman Peter Straughan Based onHa-Hovby Assaf BernsteinIdo RosenblumProduced by Matthew Vaughn Kris Thykier Starring Helen Mirren Jessica Chastain Sam Worthington Ciarán Hinds Tom Wilkinson Marton Csokas Jesper Christensen Romi Aboulafia Yonatan Uziel CinematographyBen DavisEdited byAlexander BernerMusic byThomas NewmanProductioncompanyMarv FilmsDistributed byFocus Features (United States)Unive...

 

 

Wendi Nix

American anchor and sports reporter Wendi NixBorn (1974-09-17) September 17, 1974 (age 49)Murrells Inlet, South Carolina, U.S.EducationUnion County College Wofford College University of Massachusetts AmherstOccupationSportscasterYears active1999–presentNotable credit(s)WPDE (1999–01)NESN (2001–02)FSN New England (2002–03)WHDH (2003–06)ESPN (2006–2023)TitleCollege Football studio host,NFL reporter Wendi Nix (born September 17, 1974) is an American anchor and sports report...

Tonnelle Avenue station

Tonnelle AvenueTonnelle Avenue station platformGeneral informationLocationTonnelle Avenue at 51st StreetNorth Bergen, New JerseyCoordinates40°47′14″N 74°01′52″W / 40.787327°N 74.03119°W / 40.787327; -74.03119Owned byNew Jersey TransitPlatforms1 island platformTracks2Connections NJ Transit Bus: 83, 127ConstructionParking682 spaces, 17 accessible spaces[1]Bicycle facilitiesYesAccessibleYesOther informationFare zone1HistoryOpenedFebruary 25, 2006 ...

 

 

Luigi Comencini

Questa voce o sezione sull'argomento biografie è priva o carente di note e riferimenti bibliografici puntuali. Sebbene vi siano una bibliografia e/o dei collegamenti esterni, manca la contestualizzazione delle fonti con note a piè di pagina o altri riferimenti precisi che indichino puntualmente la provenienza delle informazioni. Puoi migliorare questa voce citando le fonti più precisamente. Segui i suggerimenti del progetto di riferimento. Luigi Comencini Luigi Comencini (Salò, 8 gi...

 

 

Alexey Veller

Russian politician In this name that follows Eastern Slavic naming customs, the patronymic is Borisovich and the family name is Veller. Alexey VellerАлексей ВеллерMember of the State Duma for Krasnoyarsk KraiIncumbentAssumed office 12 October 2021Preceded byRaisa KarmazinaConstituencyYeniseysk (No. 56)Member of the State Duma for Murmansk OblastIn office5 October 2016 – 12 October 2021Preceded byconstituency re-establishedSucceeded byTatiana KusaykoConstituency...

Genital stage

Freudian psychosexual developmentPart of a series of articles onPsychoanalysis Concepts Psychosexual development Psychosocial development (Erikson) Unconscious Preconscious Consciousness Psychic apparatus Id, ego and superego Ego defenses Projection Introjection Libido Drive Transference Countertransference Resistance Denial Dreamwork Cathexis Important figures Abraham Adler Balint Bion Breuer Chodorow Erikson Fairbairn Ferenczi Freud (Anna) Freud (Sigmund) Fromm Horney Jacobson Jones Jung Ko...

 

 

Fairhaven, Minnesota

Unincorporated community in Minnesota, US Census-designated place and Unincorporated community in Minnesota, United StatesFairhavenCensus-designated place (CDP) and Unincorporated communityThe 1867 Fair Haven Flour MillFairhavenLocation of the community of Fairhavenwithin Fair Haven Township, Stearns CountyCoordinates: 45°19′24″N 94°12′14″W / 45.32333°N 94.20389°W / 45.32333; -94.20389CountryUnited StatesStateMinnesotaCountyStearnsTownshipFair Haven Townshi...