✦ LIBER ✦
Formation of (E) 1-alkoxy-1,3-butadienes from corresponding propargyl ethers; vicarious nucleophilic substitution in alkoxyallenes
✍ Scribed by Robert Łysek; Ewa Woźny; Tong Thanh Danh; Marek Chmielewski
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- French
- Weight
- 100 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
Propargyl ethers treated with dimsyl anion in DMSO at 80-100°C undergo terminal methylenation to afford corresponding (E) 1-alkoxy-1,3-butadienes. The reaction proceeds via an alkoxy-allene.