𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Asymmetric Diels−Alder Reactions of Chiral Cyclopropylidene Imide Dienophiles: Preparation of gem -Dimethyl- and Spirocyclopropane Norbornyl Carboxylic Acids

✍ Scribed by Kuethe, Jeffrey T.; Zhao, Dalian; Humphrey, Guy R.; Journet, Michel; McKeown, Arlene E.


Book ID
127061651
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
98 KB
Volume
71
Category
Article
ISSN
0022-3263

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Asymmetric Diels-Alder Reactions of Cycl
✍ Christian Chapuis; Janusz Jurczak 📂 Article 📅 1987 🏛 John Wiley and Sons 🌐 German ⚖ 264 KB 👁 1 views

A crude, crystalline mixture 20a/20b (m.p. 102-103") was treated in analogous manner as that obtained from the reaction of cyclopentadiene with dienophile 2. 1,4-Di-O-tosyl-2,3-0-isopropylidene-~-threitol in y-pipecoline was refluxed for 3 h, and then the resulting product was hydrolyred to afford 1