Synthesis and Reactivity of (η6-arene)tricarbonylchromium Compounds Incorporating Propargylamine Units. X-ray Crystal Structures of YCH2C≡CPh[Cr(CO)3] (Y = NMe2, N(Me)(CH2Ph)) and {Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH2NMe2(Cl)(Py)}

Elton L.S. Gomes; Manfredo Hörner; Victor G. Young; Jairton Dupont; Vinicius Caliman; Osvaldo L. Casagrande

doi:10.1021/om990231i

Synthesis and Reactivity of (η⁶-arene)tricarbonylchromium Compounds Incorporating Propargylamine Units. X-ray Crystal Structures of YCH₂C≡CPh[Cr(CO)₃] (Y = NMe₂, N(Me)(CH₂Ph)) and {Pd-trans-C[(Ph)Cr(CO)₃]=C(Cl)CH₂NMe₂(Cl)(Py)}

Elton L.S. Gomes
, Manfredo Hörner
, Victor G. Young
, Jairton Dupont
, Vinicius Caliman
, Osvaldo L. Casagrande

Chemistry (Twin Cities)

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

10 Scopus citations

Abstract

The syntheses, structures, and reactivities of new (η⁶-arene)tricarbonylchromium compounds bearing propargylamines are described. The reaction of (η⁶-C₆H₅Cl)tricarbonylchromium with propargylamines affords YCH(R)C≡CPh[Cr(CO)₃] (1a, R = H, Y = NMe₂; 1b, R = Me, Y = NMe₂; 1c, R = H, Y = N(Me)(CH₂Ph)) in good yield. The reaction of 1a,b with Li₂PdCl₄ generates the air-stable dimeric compounds {Pd-trans-C[(Ph)Cr(CO)₃]=C(Cl)CH(R)NMe₂-(μ-Cl)} ₂ (2a, R = H; 2b, R = Me), which can be converted to a monomeric and soluble species {Pd-trans-C[(Ph)Cr(CO)₃]=C(Cl)CH(R)NMe₂(Cl)(Py)} (3a, R = H; 3b, R = Me) after reaction with pyridine. Compounds 1a, 1c, and 3a were structurally characterized by single-crystal X-ray diffraction studies.

Original language	English (US)
Pages (from-to)	3898-3903
Number of pages	6
Journal	Organometallics
Volume	18
Issue number	19
DOIs	https://doi.org/10.1021/om990231i
State	Published - Sep 13 1999

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10.1021/om990231i

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Gomes, E. L. S., Hörner, M., Young, V. G., Dupont, J., Caliman, V., & Casagrande, O. L. (1999). Synthesis and Reactivity of (η⁶-arene)tricarbonylchromium Compounds Incorporating Propargylamine Units. X-ray Crystal Structures of YCH₂C≡CPh[Cr(CO)₃] (Y = NMe₂, N(Me)(CH₂Ph)) and {Pd-trans-C[(Ph)Cr(CO)₃]=C(Cl)CH₂NMe₂(Cl)(Py)}. Organometallics, 18(19), 3898-3903. https://doi.org/10.1021/om990231i

Synthesis and Reactivity of (η⁶-arene)tricarbonylchromium Compounds Incorporating Propargylamine Units. X-ray Crystal Structures of YCH₂C≡CPh[Cr(CO)₃] (Y = NMe₂, N(Me)(CH₂Ph)) and {Pd-trans-C[(Ph)Cr(CO)₃]=C(Cl)CH₂NMe₂(Cl)(Py)}. / Gomes, Elton L.S.; Hörner, Manfredo; Young, Victor G. et al.
In: Organometallics, Vol. 18, No. 19, 13.09.1999, p. 3898-3903.

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

Gomes, ELS, Hörner, M, Young, VG, Dupont, J, Caliman, V & Casagrande, OL 1999, 'Synthesis and Reactivity of (η⁶-arene)tricarbonylchromium Compounds Incorporating Propargylamine Units. X-ray Crystal Structures of YCH₂C≡CPh[Cr(CO)₃] (Y = NMe₂, N(Me)(CH₂Ph)) and {Pd-trans-C[(Ph)Cr(CO)₃]=C(Cl)CH₂NMe₂(Cl)(Py)}', Organometallics, vol. 18, no. 19, pp. 3898-3903. https://doi.org/10.1021/om990231i

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title = "Synthesis and Reactivity of (η6-arene)tricarbonylchromium Compounds Incorporating Propargylamine Units. X-ray Crystal Structures of YCH2C≡CPh[Cr(CO)3] (Y = NMe2, N(Me)(CH2Ph)) and \{Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH2NMe2(Cl)(Py)\}",

abstract = "The syntheses, structures, and reactivities of new (η6-arene)tricarbonylchromium compounds bearing propargylamines are described. The reaction of (η6-C6H5Cl)tricarbonylchromium with propargylamines affords YCH(R)C≡CPh[Cr(CO)3] (1a, R = H, Y = NMe2; 1b, R = Me, Y = NMe2; 1c, R = H, Y = N(Me)(CH2Ph)) in good yield. The reaction of 1a,b with Li2PdCl4 generates the air-stable dimeric compounds \{Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH(R)NMe2-(μ-Cl)\} 2 (2a, R = H; 2b, R = Me), which can be converted to a monomeric and soluble species \{Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH(R)NMe2(Cl)(Py)\} (3a, R = H; 3b, R = Me) after reaction with pyridine. Compounds 1a, 1c, and 3a were structurally characterized by single-crystal X-ray diffraction studies.",

author = "Gomes, \{Elton L.S.\} and Manfredo H{\"o}rner and Young, \{Victor G.\} and Jairton Dupont and Vinicius Caliman and Casagrande, \{Osvaldo L.\}",

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AU - Gomes, Elton L.S.

AU - Hörner, Manfredo

AU - Young, Victor G.

AU - Dupont, Jairton

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AU - Casagrande, Osvaldo L.

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N2 - The syntheses, structures, and reactivities of new (η6-arene)tricarbonylchromium compounds bearing propargylamines are described. The reaction of (η6-C6H5Cl)tricarbonylchromium with propargylamines affords YCH(R)C≡CPh[Cr(CO)3] (1a, R = H, Y = NMe2; 1b, R = Me, Y = NMe2; 1c, R = H, Y = N(Me)(CH2Ph)) in good yield. The reaction of 1a,b with Li2PdCl4 generates the air-stable dimeric compounds {Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH(R)NMe2-(μ-Cl)} 2 (2a, R = H; 2b, R = Me), which can be converted to a monomeric and soluble species {Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH(R)NMe2(Cl)(Py)} (3a, R = H; 3b, R = Me) after reaction with pyridine. Compounds 1a, 1c, and 3a were structurally characterized by single-crystal X-ray diffraction studies.

AB - The syntheses, structures, and reactivities of new (η6-arene)tricarbonylchromium compounds bearing propargylamines are described. The reaction of (η6-C6H5Cl)tricarbonylchromium with propargylamines affords YCH(R)C≡CPh[Cr(CO)3] (1a, R = H, Y = NMe2; 1b, R = Me, Y = NMe2; 1c, R = H, Y = N(Me)(CH2Ph)) in good yield. The reaction of 1a,b with Li2PdCl4 generates the air-stable dimeric compounds {Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH(R)NMe2-(μ-Cl)} 2 (2a, R = H; 2b, R = Me), which can be converted to a monomeric and soluble species {Pd-trans-C[(Ph)Cr(CO)3]=C(Cl)CH(R)NMe2(Cl)(Py)} (3a, R = H; 3b, R = Me) after reaction with pyridine. Compounds 1a, 1c, and 3a were structurally characterized by single-crystal X-ray diffraction studies.

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