Synthesis of non-racemic unsymmetrical tetrasubstituted vinylallenes
✍ Scribed by Claude Spino; Sylvie Fréchette
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- French
- Weight
- 85 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Tetrasubstituted chiral vinylallenes are constructed from the enantioselective epoxidation of an enyne followed by an S N 2% addition of a cuprate.
📜 SIMILAR VOLUMES
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
The bisbenzotriazole compound (I) is a safe, mild, and versatile reagent for the synthesis of unsymmetrical tetrasubstituted ureas of type (Va)-(Ve). It can also be used for the preparation of di-and trisubstituted ureas such as (Vf) and (Vg).