Bis(dimethylamido) complexes of alkyl- and phenylgallium. Useful precursors to the RGa2+ synthon

J. A. Jegier; B. Luo; C. E. Buss; W. L. Gladfelter

doi:10.1021/ic010724r

Bis(dimethylamido) complexes of alkyl- and phenylgallium. Useful precursors to the RGa²⁺ synthon

J. A. Jegier, B. Luo, C. E. Buss, W. L. Gladfelter

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Abstract

Alkyl- and phenylbis(dimethylamido)gallium, [RGa(NMe₂)₂]₂ [R = Me (1), Et (2), ⁿBu (3), ⁿHx 4), and Ph (5)], were synthesized by reactions of LiNMe₂ with (RGaCl₂)₂. The crystal structure of compound 1 was a disordered mixture of anti and syn isomers, with the ratio of anti/syn being 64:36, which was consistent with the ratio (57:43) found in the ¹H NMR spectrum. The Ga₂N₂ cores of the anti and syn structures were nonplanar. ¹H NMR spectra indicated the presence of both anti and syn isomers for all of the other substituents. ¹H NMR and mass spectra indicated that a species with the general formula of R₃Ga₂(NMe₂)₃ was formed when these compounds were heated at high temperatures.

Original language	English (US)
Pages (from-to)	6017-6021
Number of pages	5
Journal	Inorganic chemistry
Volume	40
Issue number	23
DOIs	https://doi.org/10.1021/ic010724r
State	Published - Nov 5 2001

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title = "Bis(dimethylamido) complexes of alkyl- and phenylgallium. Useful precursors to the RGa2+ synthon",

abstract = "Alkyl- and phenylbis(dimethylamido)gallium, [RGa(NMe2)2]2 [R = Me (1), Et (2), nBu (3), nHx 4), and Ph (5)], were synthesized by reactions of LiNMe2 with (RGaCl2)2. The crystal structure of compound 1 was a disordered mixture of anti and syn isomers, with the ratio of anti/syn being 64:36, which was consistent with the ratio (57:43) found in the 1H NMR spectrum. The Ga2N2 cores of the anti and syn structures were nonplanar. 1H NMR spectra indicated the presence of both anti and syn isomers for all of the other substituents. 1H NMR and mass spectra indicated that a species with the general formula of R3Ga2(NMe2)3 was formed when these compounds were heated at high temperatures.",

author = "Jegier, {J. A.} and B. Luo and Buss, {C. E.} and Gladfelter, {W. L.}",

year = "2001",

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journal = "Inorganic chemistry",

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TY - JOUR

T1 - Bis(dimethylamido) complexes of alkyl- and phenylgallium. Useful precursors to the RGa2+ synthon

AU - Jegier, J. A.

AU - Luo, B.

AU - Buss, C. E.

AU - Gladfelter, W. L.

PY - 2001/11/5

Y1 - 2001/11/5

N2 - Alkyl- and phenylbis(dimethylamido)gallium, [RGa(NMe2)2]2 [R = Me (1), Et (2), nBu (3), nHx 4), and Ph (5)], were synthesized by reactions of LiNMe2 with (RGaCl2)2. The crystal structure of compound 1 was a disordered mixture of anti and syn isomers, with the ratio of anti/syn being 64:36, which was consistent with the ratio (57:43) found in the 1H NMR spectrum. The Ga2N2 cores of the anti and syn structures were nonplanar. 1H NMR spectra indicated the presence of both anti and syn isomers for all of the other substituents. 1H NMR and mass spectra indicated that a species with the general formula of R3Ga2(NMe2)3 was formed when these compounds were heated at high temperatures.

AB - Alkyl- and phenylbis(dimethylamido)gallium, [RGa(NMe2)2]2 [R = Me (1), Et (2), nBu (3), nHx 4), and Ph (5)], were synthesized by reactions of LiNMe2 with (RGaCl2)2. The crystal structure of compound 1 was a disordered mixture of anti and syn isomers, with the ratio of anti/syn being 64:36, which was consistent with the ratio (57:43) found in the 1H NMR spectrum. The Ga2N2 cores of the anti and syn structures were nonplanar. 1H NMR spectra indicated the presence of both anti and syn isomers for all of the other substituents. 1H NMR and mass spectra indicated that a species with the general formula of R3Ga2(NMe2)3 was formed when these compounds were heated at high temperatures.

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DO - 10.1021/ic010724r

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SN - 0020-1669

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JO - Inorganic chemistry

JF - Inorganic chemistry

IS - 23

ER -

Bis(dimethylamido) complexes of alkyl- and phenylgallium. Useful precursors to the RGa²⁺ synthon

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