Reactions of Gallaphosphaketenes with Silylenes: Formation of Gallaphosphenes versus Silaphosphenes

IF 2 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

European Journal of Inorganic Chemistry Pub Date : 2025-09-01 DOI:10.1002/ejic.202500311

Pratima Dhawan, Oussama Tihouna, Christoph Wölper, Joost Möbius, Hannah Siera, Gebhard Haberhauer, Stephan Schulz

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Abstract

Heavy main group element compounds with heteronuclear double bonds are of interest due to their fascinating reactivity. Herein, the synthesis of silaphosphenes L¹Ga(X)PSiL² (X = Cl 2a, Me 2b, L¹ = [N(Dipp)C(Me)]₂CH, Dipp = 2,6-ⁱPr₂C₆H₃; L² = PhC(N^tBu)₂) and L¹Ga(Cl)PSiL⁴ 4 (L⁴ = [N(Dipp)C(Me)]₂) is reported, which are obtained from reactions of gallaphosphaketenes L¹Ga(X)PCO (X = Cl 1a, Me 1b) with silylenes L²SiCl and the N-heterocyclic silylene L⁴Si, respectively. In contrast, gallaphosphene L¹GaPSi(Cl)L³ 3 (L³ = DippNC(CH₃)CHC(CH₂)NDipp) formed in the reaction of 1a with the β-diketiminate-substituted silylene L³Si. Silaphosphenes 2a and 4 and gallaphosphene 3 are promising reagents for reactions with nucleophiles and electrophiles as is exemplarily demonstrated with HCl, MeI, MeOTf, MeLi, BnOH, BnNC, and CO₂, respectively.

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半胱甘肽烯与硅烯的反应：半胱甘肽烯与硅烯烯的形成

具有异核双键的重主族元素化合物因其令人着迷的反应性而引起人们的兴趣。本文合成硅芴L1Ga(X)PSiL2 (X = Cl 2a, Me 2b, L1 = [N(Dipp)C(Me)]2CH, Dipp = 2,6- ipr2c6h3；本文报道了由五gallaphosphaketenes L1Ga(X)PCO （X = Cl 1a, Me 1b）分别与硅烯L2SiCl和N-杂环硅烯L4Si反应得到的L2 = PhC(NtBu)2和L1Ga(Cl)PSiL4 4 (L4 = [N（Dipp)C(Me)]2）。而β-二酮酸取代的硅烯L3Si与1a反应生成了gallaphene L1GaPSi(Cl)L3 3 (L3 = DippNC（CH3)CHC(CH2)NDipp）。硅磷烯2a和4以及五氢磷烯3是与亲核试剂和亲电试剂反应的有前途的试剂，例如分别与HCl、MeI、MeOTf、MeLi、BnOH、BnNC和CO2的反应。

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来源期刊

European Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

4.30

自引率

4.30%

发文量

419

审稿时长

1.3 months

期刊介绍： The European Journal of Inorganic Chemistry (2019 ISI Impact Factor: 2.529) publishes Full Papers, Communications, and Minireviews from the entire spectrum of inorganic, organometallic, bioinorganic, and solid-state chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies. The following journals have been merged to form the two leading journals, European Journal of Inorganic Chemistry and European Journal of Organic Chemistry: Chemische Berichte Bulletin des Sociétés Chimiques Belges Bulletin de la Société Chimique de France Gazzetta Chimica Italiana Recueil des Travaux Chimiques des Pays-Bas Anales de Química Chimika Chronika Revista Portuguesa de Química ACH—Models in Chemistry Polish Journal of Chemistry The European Journal of Inorganic Chemistry continues to keep you up-to-date with important inorganic chemistry research results.