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Stereoselective Synthesis of β-D-Mannopyranosides with Reactive Mannopyranosyl Donors Possessing a Neighboring Electron-Withdrawing Group

✍ Scribed by Adel A.-H. Abdel-Rahman; Simon Jonke; El Sayed H. El Ashry; Richard R. Schmidt

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
40 KB
Volume
43
Category
Article
ISSN
0044-8249

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✦ Synopsis

Furthermore, the desilylation step c in the transformation of compound 7 to 6 requires addition of acid to be successful.

📜 SIMILAR VOLUMES

Stereoselective Synthesis of β-D-Mannopy
Stereoselective Synthesis of β-D-Mannopyranosides with Reactive Mannopyranosyl Donors Possessing a Neighboring Electron-Withdrawing Group
✍ Adel A.-H. Abdel-Rahman; Simon Jonke; El Sayed H. El Ashry; Richard R. Schmidt 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 84 KB

Scheme 1. Preferred a-and b-mannopyranoside synthesis. Scheme 2. Mechanistic proposals for preferred b-mannopyranoside formation. TB ¼ Twist± Boat conformation, H ¼ half-chair conformation. 2973 Scheme 3. Synthesis of 4 from 1; a) BnSO 2 Cl, pyr (91 %); b) CAN, MeCN/H 2 O (4:1), O 8C (82 %); c) CCl

Stereoselective Synthesis of β-D-Mannopy
Stereoselective Synthesis of β-D-Mannopyranosides with Reactive Mannopyranosyl Donors Possessing a Neighboring Electron-Withdrawing Group—a Second Corrigendum
✍ Adel A.-H. Abdel-Rahman; Simon Jonke; El Sayed H. El Ashry; Richard R. Schmidt 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 246 KB

In the first Corrigendum published from Schmidt et al., [1] it was revealed that the data published in footnote [25] of the original Communication [2] was that of an unidentified byproduct, and not that of alcohol 3. It is now clear that the data in footnote [28] is also incorrect, and does not pert