A reaction of γ-chalcogen-substituted prop-2-ynyl cations with mild nucleophiles
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 2,p. 149-150
- https://doi.org/10.1039/c39950000149
Abstract
γ-Chalcogen-substituted prop-2-ynyl cations are generated by the reactions of diethyl acetals 1 and 2 with BF3–Et2O and react with various mild nucleophiles without isomerisation to allenyl cations to afford the prop-2-ynylated products 3a–e and 5a–c in good yields.Keywords
This publication has 18 references indexed in Scilit:
- Chemistry and synthetic utility of cobalt-complexed propargyl cationsAccounts of Chemical Research, 1987
- Synthetic Utility of (Propargyl)dicobalt Hexacarbonyl Cations. A New Cyclopentenone AnnelationIsrael Journal of Chemistry, 1984
- Synthesis of skipped (1,4) diynes via coupling of (propargyl acetate) dicobalt hexacarbonyl complexes with alkynyl alanesTetrahedron Letters, 1983
- Reactions of (propargyl)dicobalt hexacarbonyl cations with methylmetalsJournal of Organometallic Chemistry, 1981
- Synthetic applications of metal-stabilized carbenium ions.IV. preparation of 1,5-ene-ynes via coupling of [(propargyl) dicobalt hexacarbonyl] cations with allyl silanes.Tetrahedron Letters, 1980
- An Efficient Synthesis of Dihydrojasmone Utilizing a Cationic [(Propargyl)dicobalt Hexacarbonyl] ComplexSynthetic Communications, 1980
- Conversion of aldehydes and ketones into selenoacetals: use of tris(phenylseleno)borane and tris(methylseleno)boraneThe Journal of Organic Chemistry, 1979
- Alternative synthesis of trans-8,10-dimethyl-1(9)-octal-2-oneThe Journal of Organic Chemistry, 1969
- Thiophene und Selenophene aus α‐Propinyl‐carbonyl‐VerbindungenEuropean Journal of Inorganic Chemistry, 1968
- A New Synthesis of 1,4- and 1,5-DiketonesJournal of the American Chemical Society, 1964