✦ LIBER ✦

Chiral Allyl Cations in Cycloadditions to Furan: Synthesis of 2-(1′-Phenylethoxy)-8-oxabicyclo[3.2.1]oct-6-en-3-one in High Enantiomeric Purity

✍ Scribed by Christian B. W. Stark; Ulrike Eggert; H. M. R. Hoffmann

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 114 KB
Volume: 37
Category: Article
ISSN: 0044-8249
DOI: 10.1002/(sici)1521-3773(19980518)37:9<1266::aid-anie1266>3.0.co;2-9

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Chirale Allylkationen in Cycloadditionen

Chirale Allylkationen in Cycloadditionen an Furan – Synthese von 2-(1′-Phenylethoxy)-8-oxabicyclo[3.2.1]oct-6-en-3-on in hoher Enantiomerenreinheit

✍ Christian B. W. Stark; Ulrike Eggert; H. Martin R. Hoffmann 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 86 KB 👁 1 views

## 1337 negative Ladung am Sauerstoffatom aber gröûer und somit die Pd-O-Wechselwirkung stärker. In Verbindungen, in denen die Carbonylgruppe nicht an ein Metallzentrum koordiniert ist, tritt die Insertion von Kohlenmonoxid offensichtlich leicht ein. [8] Experimentelles 1 a ± k: Eine Lösung von 1

Chiral Allyl Cations Are Captured by Fur

Chiral Allyl Cations Are Captured by Furan with 100 % Stereoselectivity: Synthesis of Enantiopure 2-Alkoxy-8-oxabicyclo[3.2.1]oct-6-en-3-ones by Low-Temperature [4+3] Cycloaddition

✍ Christian B. W. Stark; Sabine Pierau; Rudolf Wartchow; H. M. R. Hoffmann 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 180 KB 👁 1 views

Structural and Stereochemical Diversity

Structural and Stereochemical Diversity from (±)-2,2-Dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one − Application to the Synthesis of Polyketide Segments of Natural Products

✍ Alexandros Vakalopoulos; René Smits; H. Martin R. Hoffmann 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 486 KB 👁 2 views

General method of assignment of relative

General method of assignment of relative stereochemistry in C-1-substituted 2,4-dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one by 1H and 13C NMR correlations

✍ Angel M. Montaña; Sandra Ribes; Pedro M. Grima; Francisca García 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 331 KB 👁 2 views

The 1H and 13C NMR spectra of cis-endo (a) and cis-exo (b) diastereoisomeric pairs of Ðve di †erently C-1-functionalized 2,4-dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-ones were completely assigned. Several trends regarding the variation of chemical shifts and coupling constants of hydrogen and carbon a