Stereochemistry of the Diels-Alder reaction of ethyl Z-and E-2-ptolylsulfinylmethylenepropionate with cyclopentadiene has been studied. The high diastereoselectivity was observed especially in the case of exo-cycloaddition. We have previously reported that (+)-(R)S p-tolyl vinyl sulfoxide 1 is a
Diels–Alder reaction of optically active (E)-γ-keto-α,β-unsaturated p-tolylsulfoxides with cyclopentadiene
✍ Scribed by Mario Ordóñez; Victor Guerrero de la Rosa; Felipe Alcudia; José Manuel Llera
- Book ID
- 108282466
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- French
- Weight
- 204 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
The Diels-Alder reaction of (S)-Z-ptolylsulphinyl-2-cyclopentenone (and 2cyclohexcnone) with cyclopentadiene, catalized by AlCl3 and AlEtClz, occurs at room temperature with complete facial diastereoselectivity, but with moderate endo-exe selectivity. Substituted enantiomerically pure o,Bunsaturate
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract Highly enantioselective Diels–Alder (DA) and inverse‐electron‐demand hetero‐Diels–Alder (HDA) reactions of β,γ‐unsaturated α‐ketoesters with cyclopentadiene catalyzed by chiral __N__,__N′__‐dioxide–Cu(OTf)~2~ (Tf=triflate) complexes have been developed. Quantitative conversion of β,γ‐un