✦ LIBER ✦

Lewis acid and high pressure promoted Diels-Alder cycloadditions of N-alkyl-N-sulfinyl dienophiles

✍ Scribed by Scott I. Bell; Steven M. Weinreb

Book ID: 108381685
Publisher: Elsevier Science
Year: 1988
Tongue: French
Weight: 204 KB
Volume: 29
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)80462-1

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Asymmetric N-sulfinyl dienophile Diels–A

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

✍ Annette Bayer; Odd R Gautun 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 140 KB

ChemInform Abstract: Asymmetric N-Sulfin

ChemInform Abstract: Asymmetric N-Sulfinyl Dienophile Diels—Alder Cycloadditions Using Chiral Ti(IV)-Based Lewis Acids.

✍ Annette Bayer; Odd R. Gautun 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 36 KB 👁 1 views

Asymmetric Diels–Alder reactions of N-su

Asymmetric Diels–Alder reactions of N-sulfinyl dienophiles using chiral Ti(IV) Lewis acids

✍ 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

Metalation and alkylation of 3,6-dihydro

Metalation and alkylation of 3,6-dihydrothiazine 1-oxides prepared via Diels-Alder cycloadditions of N-sulfinyl dienophiles

✍ Bell, Scott I.; Parvez, M.; Weinreb, Steven M. 📂 Article 📅 1991 🏛 American Chemical Society 🌐 English ⚖ 650 KB

Lewis acid-catalyzed asymmetric hetero D

Lewis acid-catalyzed asymmetric hetero Diels-Alder cycloaddition of a 1-Thiabuta-1,3-diene with Chiral N-Acryloyl- and N-Crotonoyl-oxazolidinone dienophiles

✍ 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

Lewis Acid Catalyzed Aza-Diels—Alder ver

Lewis Acid Catalyzed Aza-Diels—Alder versus Mannich Reactions of N-Diethyl Phosphoryl Imino Dienophiles with Oxygenated Dienes and Application of a Chiral Lewis Acid.

✍ Lorenzo Di Bari; Stephane Guillarme; Stephen Hermitage; Judith A. K. Howard; Dav 📂 Article 📅 2004 🏛 John Wiley and Sons ⚖ 223 KB