|
1
|
Tse SKS, Sung HHY, Williams ID, Jia G. Vinylidene, allenylidene, cyclic oxycarbene, and η 2-alkyne complexes from reactions of (η 5-C 5Me 5)OsCl(PPh 3) 2 with alkynes and alkynols. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Reactions of Cp*OsCl(PPh3)2 (Cp* = pentamethylcyclopentadienyl) with alkynes and alkynols are described. Treatment of Cp*OsCl(PPh3)2 with phenylacetylene and trimethylsilylacetylene gave the vinylidene complexes Cp*OsCl(=C=CHPh)(PPh3) and Cp*OsCl(=C=CH2)(PPh3), respectively. Treatment of Cp*OsCl(PPh3)2 with the internal alkyne dimethyl acetylenedicarboxylate produced the η2-alkyne complex Cp*OsCl(η2-MeO2C≡CCO2Me)(PPh3). Treatment of Cp*OsCl(PPh3)2 with the propargylic alcohol HC≡CC(OH)Ph2 gave the osmium allenylidene complex Cp*OsCl(=C = C=CPh2)(PPh3). The outcomes of the reactions of Cp*OsCl(PPh3)2 with ω-alkynols HC≡C(CH2)nOH are dependent on the length of the -(CH2)n- linker. The reaction with 3-butyn-1-ol produced the cyclic oxycarbene complex Cp*OsCl{=C(CH2)3O}(PPh3) exclusively. The reactions with 4-pentyn-1-ol produced a mixture of the hydroxyalkyl vinylidene complex Cp*OsCl{=C=CH(CH2)3OH}(PPh3) and the cyclic oxycarbene complex Cp*OsCl{=C(CH2)4O}(PPh3) in about 10:1 molar ratio. The reaction with 5-hexyn-1-ol gave exclusively the hydroxyalkyl vinylidene complex Cp*OsCl{=C=CH(CH2)4OH}(PPh3).
Collapse
Affiliation(s)
- Sunny Kai San Tse
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Herman Ho-Yung Sung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Ian Duncan Williams
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Guochen Jia
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| |
Collapse
|
|
2
|
Kocięcka P, Czeluśniak I, Panek J, Szymańska-Buzar T. Unusual product formation in tungsten(0)-catalysed reactions of propargylic alcohols and secondary amines: Hydroamination and the construction of the tetrahydrofuran ring. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2018.05.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
|
3
|
Queensen MJ, Rabus JM, Bauer EB. Ferrocenium hexafluorophosphate as an inexpensive, mild catalyst for the etherification of propargylic alcohols. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2015.06.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
|
|
4
|
García de la Arada I, Díez J, Gamasa MP, Lastra E. Nucleophilic Additions to Allenylidene Ruthenium Complexes. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00060] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Isaac García de la Arada
- Departamento
de Química Orgánica e Inorgánica, Instituto de
Química Organometálica “Enrique Moles”
(Unidad Asociada al CSIC), Universidad de Oviedo, 33006 Oviedo, Principado de Asturias, Spain
| | - Josefina Díez
- Departamento
de Química Orgánica e Inorgánica, Instituto de
Química Organometálica “Enrique Moles”
(Unidad Asociada al CSIC), Universidad de Oviedo, 33006 Oviedo, Principado de Asturias, Spain
| | - M. Pilar Gamasa
- Departamento
de Química Orgánica e Inorgánica, Instituto de
Química Organometálica “Enrique Moles”
(Unidad Asociada al CSIC), Universidad de Oviedo, 33006 Oviedo, Principado de Asturias, Spain
| | - Elena Lastra
- Departamento
de Química Orgánica e Inorgánica, Instituto de
Química Organometálica “Enrique Moles”
(Unidad Asociada al CSIC), Universidad de Oviedo, 33006 Oviedo, Principado de Asturias, Spain
| |
Collapse
|
|
5
|
The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2013. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.09.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
|
6
|
Smith EJ, Pridmore NE, Whitwood AC, Lynam JM. Synthesis of Phosphonium-Substituted Vinylidene Complexes from [HC≡CCH2PPh3]+: Exploring the Competition between Allene and Vinylidene Formation. Organometallics 2014. [DOI: 10.1021/om5010429] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Elizabeth J. Smith
- Department
of Chemistry, University of York, Heslington, York YO10
5DD, U.K
| | | | - Adrian C. Whitwood
- Department
of Chemistry, University of York, Heslington, York YO10
5DD, U.K
| | - Jason M. Lynam
- Department
of Chemistry, University of York, Heslington, York YO10
5DD, U.K
| |
Collapse
|
|
7
|
Queensen MJ, Rath NP, Bauer EB. Diastereoselective Attack on Chiral-at-Metal Ruthenium Allenylidene Complexes To Give Alkynyl Complexes. Organometallics 2014. [DOI: 10.1021/om500600y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Matthew J. Queensen
- Department of Chemistry
and Biochemistry and ‡Center for Nanoscience, University of Missouri−St. Louis, One University
Boulevard, St. Louis, Missouri 63121, United States
| | - Nigam P. Rath
- Department of Chemistry
and Biochemistry and ‡Center for Nanoscience, University of Missouri−St. Louis, One University
Boulevard, St. Louis, Missouri 63121, United States
| | - Eike B. Bauer
- Department of Chemistry
and Biochemistry and ‡Center for Nanoscience, University of Missouri−St. Louis, One University
Boulevard, St. Louis, Missouri 63121, United States
| |
Collapse
|