A novel reaction of coordinated vinylidenes: coupling with hydrogen sulfide to give a η1-thioaldehyde
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 19,p. 2219-2220
- https://doi.org/10.1039/c39940002219
Abstract
The RuII fragment [(PNP)RuCl2] assists the coupling of phenylacetylene with H2S to give 2-phenylethanethial [PNP = CH3CH2CH2N(CH2CH2PPh2)2] in a reaction that is initiated by alk-1-yne to vinylidene tautomerism at ruthenium, followed by electrophilic attack of H2S on the vinylidene ligand; 2-phenylethanethial is recovered as either η1-S-ligand or endo-6-benzyl-1-thiabicyclo[2.2.1]hept-3-ene ligand, and the latter molecule is formed via a stereoselective Diels–Alder reaction between cyclopentadiene and the η1-2-phenylethanethial complex.Keywords
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