A new one-pot arylacetylene synthesis: 4-RC6H4C-≡C(TMS) from 4- RC6H4CN and LiC(TMS)3(THF)2 via Li[N(TMS)C(C6H4R-4)C(TMS)2](THF) (TMS = SiMe3, R = H, F, Br, OMe or Bu(t))

Tetrahedron Letters

Volumn 39, Issue 26, 1998, Pages 4745-4748

  Lappert, Michael F ^a   Layh, Marcus ^a  

^a UNIVERSITY OF SUSSEX   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ACETYLENE DERIVATIVE; LITHIUM DERIVATIVE;

ARTICLE; REACTION ANALYSIS; SYNTHESIS; X RAY CRYSTALLOGRAPHY; X RAY DIFFRACTION;

EID: 0032565934     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00933-2     Document Type: Article

References (15)

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3. [3] Hitchcock, P. B.; Lappert, M. P.; Layh, M. Inorg. Chim. Acta 1998, 269, 181.
4. [4] Aiube, Z. H.; Eaborn, C. J. Organomet. Chem. 1994, 269, 217.
5. [5] Caro, C. F.; Hitchcock, P. B.; Lappert, M. F., Layh, M. J. Chem. Soc. Chem. Commun. 1998, in the press.
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7. [7] Lappert, M. F.; Liu, D.-S. J. Organomet. Chem. 1995, 500, 163.
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10. [10] Hitchcock, P. B.; Lappert, M. F.; Tian, S. J. Organomet. Chem. 1997, 549, 1.
11. [11] Hitchcock, P. B.; Hu, J.; Lappert, M. F., Tian, S. J. Organomet. Chem. 1997, 536-537, 473.
12. [12] Selected bond lengths and an angle; Li-N, 1.93(2); Li-C(α), 2.23(2); Li-C(β), 2.32(2); Li-O, 1.84(2) Å; N-Li-O, 141.7(11)°.
13. 2], δ 121.9 [s, C(Br)], δ 130.7 and 130.8 [s, o/m-C], δ 149.0 [s, ipso-C], δ 187.9 [s, CN].
14. [14] Peterson, D. J. J. Org. Chem. 1968, 33, 780.
15. [15] Steinmetz M. G.; Yu C.; Li L. Organometallics, 1995, 14, 934.