An expeditious synthesis of 3′-α-carboxymethyl-2′-O-methyl ribonucleosides
✍ Scribed by Peter von Matt; Thomas Lochmann; Rudolf Kesselring; Karl-Heinz Altmann
- Book ID
- 104260945
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 287 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
3'-a-Carboxymethyl-2"O-methyl ribonucleosides, which are important building blocks for the construction of high affinity amide modified antisense oligonucleotides, have been synthesized from the corresponding 2'-O-methyl ribonucleosides via catalytic hydrogenation of their 3'-deoxy 3'-methoxycarbonyl-methylidene derivatives. Reduction of the olefinic double bond proceeds in good to excellent yields and with ct/fl-product ratios > 9/1.
📜 SIMILAR VOLUMES
Syntheses of the title glycosides are described. The critical O-glycosylations were carried out in the presence of boron trifluoride etherate with a high degree of alpha-selectivity.