A New Strategy for Solid-Phase Synthesis of O-Glycopeptides
β Scribed by Dipl.-Chem. Tim Bielfeldt; Dipl.-Chem. Stefan Peters; Dr. Morten Meldal; Prof. Dr. Klaus Bock; Prof. Dr. Hans Paulsen
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 366 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0044-8249
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β¦ Synopsis
with K-selectride to afford the desired hydroxy compound 24. Desilylation of 24 with HF ' py gave the hydroxy oxime 25. The C=N bond of 25 was reduced with NaBH,CN providing the desired product 26 together with its C4 epimer.[131 Finally, chromatographically purified 26 was deprotected to the targeted trisaccharide chain 3 (Table 1).
π SIMILAR VOLUMES
A convenient solid-phase synthesis of oligonucleotides conjugated at the 3Π-end with a tetraphenylporphyrin residue, by means of a new polymeric support bearing as a linker a lysine derivative, has been developed. A porphyrin linked