𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The asymmetric cyclocondensation reaction of 1-methoxy-3-silyloxybuta-1,3-dienes with N-glyoxyloyl-(2R)-bornane-10,2-sultam

✍ Scribed by Janusz Jurczak; Artur Jeżewski

Book ID
108036438
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
241 KB
Volume
7
Category
Article
ISSN
0957-4166

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The asymmetric ene reaction of N-glyoxyl
The asymmetric ene reaction of N-glyoxyloyl-(2R)-bornane-10,2-sultam with 1-pentene and 1-hexene
✍ Artur Jeżewski; Katarzyna Chajewska; Zbigniew Wielogórski; Janusz Jurczak 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 508 KB

The asymmetric ene reaction of N-glyoxyloyl-(2R)-bomane-10,2-sultam 2 and its hemiacetal 3 with 1-pentene 4 and 1-hexene 5 in the presence of Lewis acids is reported. All the ene reactions studied led to diastereoisomeric mixtures of olefins 6 and 7 or 8 and 9, with predominance of products of the (

Asymmetric Diels-Alder Reaction of 1-Met
Asymmetric Diels-Alder Reaction of 1-Methoxybuta-1,3-diene with (2R)-N-Glyoxyloylbornane-10,2-sultam
✍ Tomasz Bauer; Christian Chapuis; Janusz Kozak; Janusz Jurczak 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 German ⚖ 240 KB 👁 1 views

## ~ -~~~ Starting from sultam 1, the chiral dienophile (2R)-N-glyoxyloylbornane-lO,2-sultam (4) was readily prepared. Non-catalyzed atmospheric-and high-pressure as well as [Eu(fod),]-promoted [4 + 21 cycloadditions of l-methoxybuta-l,3-diene (5) to chiral dienophile 4, leading with high asymmetr