## Diels-Alder reactions show high endo/exo selectivities in aqueous suspensions. We have described 1 the very large rate accelerations which occur when some common Diels-Alder reactions are performed in water solution. The principal effect was ascribed to hydrophobic association of the diene wit
On the origin of product selectivity in aqueous diels-alder reactions
β Scribed by Ronald Breslow; Uday Maitra
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- French
- Weight
- 109 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
The high endo/exo product ratio in the Diels-Alder reaction of cyclopentadiene with methy2. vinyl! ketone in water does not reflect aggregation, but the ratio is affected by salts which change the hydrophobicity of the medium.
π SIMILAR VOLUMES
The effects of added surfactants on the aqueous Diels-Alder reaction between cyclopentadiene and a range of acrylate esters have been studied. The surfactants were used at their critical micellar concentrations, and the pH of the aqueous solutions was varied to determine the optimum conditions for t
L'w:~ 1111' MINDO/3 msthod, variation of thr potential barrier for the Dick-Alder rcaclion between I-hydroxybutadicnc .md s~ralsin, cJtA?'zcd b? BF3 and NH:. hJs been studied. An interpretaGon of the experimental facts about the inrrc.tsc of rqIosrlrcIiviry and stereo~ciccti~ it\ for Dick-Alder rext
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