𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Improved highly efficient synthesis of α,β-acetylenic ketones. Nature of the intermediate from the reaction of lithium acetylide with boron trifluoride etherate

✍ Scribed by Herbert C. Brown; Uday S. Racherla; Shankar M. Singh; Richard B. Wetherill


Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
249 KB
Volume
25
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Chemistry of acetylenic ethers 63: The s
✍ L. B. Bos; J. F. Arens 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 651 KB

## Abstract The α,β‐unsaturated thiolesters listed in Table I have been prepared by treating a mixture of a carbonyl compound and boron trifluoride with an acetylenic thioether (see reaction scheme 2). Good yields are obtained when ethers are used as solvents. The configuration of the esters prepar

ChemInform Abstract: An Efficient Stereo
✍ Y. TANG; Y.-Z. HUANG; L.-X. DAI; J. SUN; W. XIA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 1 views

An Efficient Stereocontrolled Strategy in the Cyclopropanation Reactions of α,β-Unsaturated Ketones with Semistabilized Ylides: Highly Selective Synthesis of Two Geometrical Isomers of Vinyl-Substituted Cyclopropane Derivatives. -Starting from telluronium ylides cis,trans-substituted cyclopropyl ke