𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Asymmetric N-sulfinyl dienophile Diels–Alder cycloadditions using chiral Ti(IV)-based Lewis acids

✍ Scribed by Annette Bayer; Odd R Gautun


Book ID
108379742
Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
140 KB
Volume
41
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Asymmetric Diels–Alder reactions of N-su
✍ Annette Bayer; Lars K. Hansen; Odd R. Gautun 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 407 KB

Enantioselective hetero Diels-Alder (HDA) reactions of 1,3-cyclohexadiene with benzyl N-sulfinylcarbamate 1a and with N-sulfinyl-p-toluensulfonamide 1b promoted by chiral Ti(IV)-based Lewis acids are reported. The obtained yields and enantiomeric excesses obtained are heavily dependant on the mode o

Lewis acid-catalyzed asymmetric hetero D
✍ Takao Saito; Hirofumi Suda; Mikako Kawamura; Jun-ichi Nishimura; Akemi Yamaya 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 235 KB

Me2AICI -and TiCl4-catalyzed asymmetric hetero Diels-Alder cycloaddition reactions of 2,4-diphenyl-l-thiabuta-l,3-diene with (S)-N-acryloyl-and (S)-N-crotonoyl-4-benzyl-l,3-oxazolidin-2one dienophiles are described in which not only the sense of the n-facial selectivity but also the degree dramatica