Thecyclo-(P4tBu3) synthon [Li{cyclo-(P4tBu3)}(thf)(tmeda)] (1) (thf = tetrahydrofuran, tmeda =N,N,N′,N′-tetramethylethane-1,2-diamine) is readily accessible in a one-pot synthesis from P4and LitBu. The use of1as acyclo-(P4tBu3) building block enables the rational synthesis ofcyclo-(P4tBu3)-containing oligophosphanes, namely {cyclo-(P4tBu3)}2(2), {cyclo-(P4tBu3)}2PtBu (3) and {cyclo-(P4tBu3)}2CH2(4),C3v-symmetric pnictaphosphanes E{cyclo-(P4tBu3)}3(E = Bi, Sb, As;5-7) as well as AsCl{cyclo-(P4tBu3)}2(8). Compounds5and6represent the first neutral homoleptic bismuthane and stibane that contain only bonds to phosphorus. All new compounds were isolated in moderate to good yields and fully characterised. The31P{1H} NMR spectral data of1,2,4, and8have been determined by automated line-shape analysis.

Facile synthesis ofcyclo-(P4tBu3)-containing oligo- And pnictaphosphanes / V.J. Eilrich, T. Grell, P. Lonnecke, E. Hey-Hawkins. - In: DALTON TRANSACTIONS. - ISSN 1477-9226. - 50:40(2021 Oct 28), pp. 14144-14155. [10.1039/d1dt02639a]

Facile synthesis ofcyclo-(P4tBu3)-containing oligo- And pnictaphosphanes

T. Grell;
2021

Abstract

Thecyclo-(P4tBu3) synthon [Li{cyclo-(P4tBu3)}(thf)(tmeda)] (1) (thf = tetrahydrofuran, tmeda =N,N,N′,N′-tetramethylethane-1,2-diamine) is readily accessible in a one-pot synthesis from P4and LitBu. The use of1as acyclo-(P4tBu3) building block enables the rational synthesis ofcyclo-(P4tBu3)-containing oligophosphanes, namely {cyclo-(P4tBu3)}2(2), {cyclo-(P4tBu3)}2PtBu (3) and {cyclo-(P4tBu3)}2CH2(4),C3v-symmetric pnictaphosphanes E{cyclo-(P4tBu3)}3(E = Bi, Sb, As;5-7) as well as AsCl{cyclo-(P4tBu3)}2(8). Compounds5and6represent the first neutral homoleptic bismuthane and stibane that contain only bonds to phosphorus. All new compounds were isolated in moderate to good yields and fully characterised. The31P{1H} NMR spectral data of1,2,4, and8have been determined by automated line-shape analysis.
Settore CHIM/03 - Chimica Generale e Inorganica
28-ott-2021
2-set-2021
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/906107
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