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Burrows AD, Green M, Jeffery JC, et al. Rhodium-Promoted Linear Tetramerization and Cyclization of 3,3-Dimethylbut-l-yne. Angew Chem Int Ed Engl. 1999;38(20):3043-3045doi: 10.1002/(sici)1521-3773(19991018)38:20<3043::aid-anie3043>3.0.co;2-2.
Burrows, A. D., Green, M., Jeffery, J. C., Lynam, J. M., & Mahon, M. F. (1999). Rhodium-Promoted Linear Tetramerization and Cyclization of 3,3-Dimethylbut-l-yne. Angewandte Chemie (International ed. in English), 38(20), 3043-3045. https://doi.org/10.1002/(sici)1521-3773(19991018)38:20<3043::aid-anie3043>3.0.co;2-2
Burrows, et al. "Rhodium-Promoted Linear Tetramerization and Cyclization of 3,3-Dimethylbut-l-yne." Angewandte Chemie (International ed. in English) vol. 38,20 (1999): 3043-3045. doi: https://doi.org/10.1002/(sici)1521-3773(19991018)38:20<3043::aid-anie3043>3.0.co;2-2
Burrows AD, Green M, Jeffery JC, Lynam JM, Mahon MF. Rhodium-Promoted Linear Tetramerization and Cyclization of 3,3-Dimethylbut-l-yne. Angew Chem Int Ed Engl. 1999 Oct 18;38(20):3043-3045. doi: 10.1002/(sici)1521-3773(19991018)38:20<3043::aid-anie3043>3.0.co;2-2. PMID: 10540415.
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Angew Chem Int Ed Engl. 1999 Oct 18;38(20):3043-3045. doi: 10.1002/(sici)1521-3773(19991018)38:20<3043::aid-anie3043>3.0.co;2-2.

Rhodium-Promoted Linear Tetramerization and Cyclization of 3,3-Dimethylbut-l-yne.

Angewandte Chemie (International ed. in English)

Burrows, Green, Jeffery, Lynam, Mahon

Affiliations

  1. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY (UK).

PMID: 10540415 DOI: 10.1002/(sici)1521-3773(19991018)38:20<3043::aid-anie3043>3.0.co;2-2

Abstract

With tetrahydrofuran as the solvent [Rh(thf)(2)(cod)](+) promotes the selective coupling of tBuC(2)H to form triene-yne 1; at high alkyne concentrations, however, an unusual C-H activation process intervenes, leading to the formation of complex 2, which contains two linked five-membered rings. cod=1,5-cyclooctadiene.

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