Synthesis of [Li(CH2SiMe3)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe3)2]; X-ray crystal structrue of [Li(CH(SiMe3)2)(pmdeta)](tmeda = Me2NCH2CH2NMe2, pmdeta = Me2N[CH2]2N(Me)[CH2]2NMe2)

Micheal F. Lappert; Lutz M. Engelhardt; Colin L. Raston; Allan H. White

doi:10.1039/C39820001323

Synthesis of [Li(CH₂SiMe₃)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe₃)₂]; X-ray crystal structrue of [Li(CH(SiMe₃)₂)(pmdeta)](tmeda = Me₂NCH₂CH₂NMe₂, pmdeta = Me₂N[CH₂]₂N(Me)[CH₂]₂NMe₂)

Micheal F. Lappert, Lutz M. Engelhardt, Colin L. Raston, Allan H. White

Research output: Contribution to journal › Article › peer-review

83 Citations (Scopus)

Abstract

Reaction of SiMe₄ or CH₂(SiMe₃)₂ in n-C₆H₁₄ with LiBuⁿ(pmdeta) affords in high yield Li(CH₂SiMe₃)-(pmdeta) or Li(CH(SiMe₃)₂)(pmdeta), (2), respectively, the latter also being available from Li(CH(SiMe₃)₂)-(tmeda), (1), and pmdeta; crystalline compound (1) and (2) are monomers (Ebullioscopy, C₆H₁₂), and for (2) this is also shown by X-ray crystallography, with the short Li-C distance [2.13(5)Å] indicative of a covalent bond.

Original language	English
Pages (from-to)	1323-1324
Number of pages	2
Journal	Journal of the Chemical Society - Series Chemical Communications
Issue number	22
DOIs	https://doi.org/10.1039/C39820001323
Publication status	Published - 15 Nov 1982
Externally published	Yes

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Lappert, M. F., Engelhardt, L. M., Raston, C. L., & White, A. H. (1982). Synthesis of [Li(CH₂SiMe₃)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe₃)₂]; X-ray crystal structrue of [Li(CH(SiMe₃)₂)(pmdeta)](tmeda = Me₂NCH₂CH₂NMe₂, pmdeta = Me₂N[CH₂]₂N(Me)[CH₂]₂NMe₂). Journal of the Chemical Society - Series Chemical Communications, (22), 1323-1324. https://doi.org/10.1039/C39820001323

Lappert, Micheal F. ; Engelhardt, Lutz M. ; Raston, Colin L. ; White, Allan H. / Synthesis of [Li(CH₂SiMe₃)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe₃)₂]; X-ray crystal structrue of [Li(CH(SiMe₃)₂)(pmdeta)](tmeda = Me₂NCH₂CH₂NMe₂, pmdeta = Me₂N[CH₂]₂N(Me)[CH₂]₂NMe₂). In: Journal of the Chemical Society - Series Chemical Communications. 1982 ; No. 22. pp. 1323-1324.

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title = "Synthesis of [Li(CH2SiMe3)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe3)2]; X-ray crystal structrue of [Li(CH(SiMe3)2)(pmdeta)](tmeda = Me2NCH2CH2NMe2, pmdeta = Me2N[CH2]2N(Me)[CH2]2NMe2)",

abstract = "Reaction of SiMe4 or CH2(SiMe3)2 in n-C6H14 with LiBun(pmdeta) affords in high yield Li(CH2SiMe3)-(pmdeta) or Li(CH(SiMe3)2)(pmdeta), (2), respectively, the latter also being available from Li(CH(SiMe3)2)-(tmeda), (1), and pmdeta; crystalline compound (1) and (2) are monomers (Ebullioscopy, C6H12), and for (2) this is also shown by X-ray crystallography, with the short Li-C distance [2.13(5){\AA}] indicative of a covalent bond.",

author = "Lappert, {Micheal F.} and Engelhardt, {Lutz M.} and Raston, {Colin L.} and White, {Allan H.}",

year = "1982",

month = nov,

day = "15",

doi = "10.1039/C39820001323",

language = "English",

pages = "1323--1324",

journal = "Journal of the Chemical Society, Chemical Communications",

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Lappert, MF, Engelhardt, LM, Raston, CL & White, AH 1982, 'Synthesis of [Li(CH₂SiMe₃)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe₃)₂]; X-ray crystal structrue of [Li(CH(SiMe₃)₂)(pmdeta)](tmeda = Me₂NCH₂CH₂NMe₂, pmdeta = Me₂N[CH₂]₂N(Me)[CH₂]₂NMe₂)', Journal of the Chemical Society - Series Chemical Communications, no. 22, pp. 1323-1324. https://doi.org/10.1039/C39820001323

Synthesis of [Li(CH₂SiMe₃)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe₃)₂]; X-ray crystal structrue of [Li(CH(SiMe₃)₂)(pmdeta)](tmeda = Me₂NCH₂CH₂NMe₂, pmdeta = Me₂N[CH₂]₂N(Me)[CH₂]₂NMe₂). / Lappert, Micheal F.; Engelhardt, Lutz M.; Raston, Colin L.; White, Allan H.

In: Journal of the Chemical Society - Series Chemical Communications, No. 22, 15.11.1982, p. 1323-1324.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Synthesis of [Li(CH2SiMe3)(pmdeta)] and the crystalline monomeric bulky alkyl-lithium complexes[LiR(tmeda)]and [LiR(pmdeta)][R = CH(SiMe3)2]; X-ray crystal structrue of [Li(CH(SiMe3)2)(pmdeta)](tmeda = Me2NCH2CH2NMe2, pmdeta = Me2N[CH2]2N(Me)[CH2]2NMe2)

AU - Lappert, Micheal F.

AU - Engelhardt, Lutz M.

AU - Raston, Colin L.

AU - White, Allan H.

PY - 1982/11/15

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N2 - Reaction of SiMe4 or CH2(SiMe3)2 in n-C6H14 with LiBun(pmdeta) affords in high yield Li(CH2SiMe3)-(pmdeta) or Li(CH(SiMe3)2)(pmdeta), (2), respectively, the latter also being available from Li(CH(SiMe3)2)-(tmeda), (1), and pmdeta; crystalline compound (1) and (2) are monomers (Ebullioscopy, C6H12), and for (2) this is also shown by X-ray crystallography, with the short Li-C distance [2.13(5)Å] indicative of a covalent bond.

AB - Reaction of SiMe4 or CH2(SiMe3)2 in n-C6H14 with LiBun(pmdeta) affords in high yield Li(CH2SiMe3)-(pmdeta) or Li(CH(SiMe3)2)(pmdeta), (2), respectively, the latter also being available from Li(CH(SiMe3)2)-(tmeda), (1), and pmdeta; crystalline compound (1) and (2) are monomers (Ebullioscopy, C6H12), and for (2) this is also shown by X-ray crystallography, with the short Li-C distance [2.13(5)Å] indicative of a covalent bond.

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JO - Journal of the Chemical Society, Chemical Communications

JF - Journal of the Chemical Society, Chemical Communications

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