Reaction of metal-carbene complexes with diazoalkanes. A versatile vinyl ether synthesis.
β Scribed by Charles P. Casey; Steven H. Bertz; Terry J. Burkhardt
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- French
- Weight
- 157 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
In developing new approaches to the use of stable transition metal-carbene complexes in organic synthesis, we have focused our attention of the M&+ ylide nature of the metal-carbene bond and on the susceptibility of the electron deficient carbene carbon atom to nucleophilic attack.' In this regard, we (CO),W=C' R 8 e/R 0 ,R AC3), administered by the American Chemical Society.
π SIMILAR VOLUMES
1-Benzocyclobutenyl vinyl ether (1) was easily prepared by the elimination reaction of hydrogen bromide from 1-benzocyclobutenyl 1-bromoethyl ether obtained by 1-bromobenzocyclobutene and ethylene glycol via two steps in a good yield. Cationic polymerizations of 1 was carried out at Οͺ78Β°C for 2 h in
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## Abstract **Summary:** Cationic polymerizations of isobutyl vinyl ether (__i__BVE) were carried out in the presence of a difunctional silyl enol ether, 3,3βdimethylpentβ2,4β(trimethylsilyloxy)β1,4βdiene. This procedure gave oligomers with silyl enol ether end groups. The silyl enol ether groups r