✦ LIBER ✦
Avermectin-milbemycin studies. 4. An expedient two-step preparation of p-hydroxybenzoates
✍ Scribed by Amos B. Smith III; S.Nicholas Kileńyi
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- French
- Weight
- 256 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
Dianions derived from a variety of 1,3-diketones react with Z-ethyl-3-bromopropenoate to afford unsaturated diketoesters which upon treatment with base undergo facile cyclization-dehydration to p-hydroxybenzoates.