✦ LIBER ✦

2,3,5-tri-O-acety]-β-D-ribofuranosyl azide and 2,3-O-isopropylidene-5-O-trityl-α-D-ribofuranosyl azide

✍ Scribed by Marìa José Camarasa; Rosario Alonso; Federico G. De las Heras

Book ID: 108308732
Publisher: Elsevier Science
Year: 1980
Tongue: English
Weight: 371 KB
Volume: 83
Category: Article
ISSN: 0008-6215
DOI: 10.1016/s0008-6215(00)85377-x

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

d-ribofuranosyl azides. A direct convers

d-ribofuranosyl azides. A direct conversion of 1-O-acyl-2,3-O-isopropylidene-d-ribofuranose into d-ribofuranosyl azides

✍ Marshall W. Logue; Byung Hee Han 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 573 KB

Nucleosides LXXXI. An approach to the sy

Nucleosides LXXXI. An approach to the synthesis of C-C linked β-D-ribofuranosyl nucleosides from 2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl chloride

✍ Hiroshi Ohrui; Jack J. Fox 📂 Article 📅 1973 🏛 Elsevier Science 🌐 French ⚖ 203 KB

In recent years a new class of naturally-occurring nucleosides containing the unusual C-ribosyl linkage ("C-nucleosides") has been discovered 2,3 . Several synthetic routes directed to C-nucleosides have been reported 3-a . Recently, Hanessian and Pernet 9 reported the successful

Synthesis of methyl 2-O-, 3-O-, and 5-O-

Synthesis of methyl 2-O-, 3-O-, and 5-O-β-d-ribofuranosyl-β-d-ribofuranoside via 1,2-O-cyanoethylidene derivatives of d-ribofuranose

✍ Josef Gass; Rudolf Christian; Paul Kosma; Gerhard Schulz; Frank M. Unger 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 682 KB

Nucleoside synthesis by alkylation with

Nucleoside synthesis by alkylation with 2′,3′,5′-tri-O-benzoyl-D-ribofuranosyl trifiate

✍ Robert L. Shone 📂 Article 📅 1977 🏛 Elsevier Science 🌐 French ⚖ 229 KB

The use of derivatives of trifluorometbylsulfonic acid in synthesis has been explored by several investigators.1'2 Trifluoromethylsulfohates ("triflates")3 in particular have been utilized as exceptionally reactive alkylatihg agents. 4 The use of triflates in carbohydrate5 and nucleosideb synthesi

2,3,5-Tri-O-benzoyl-1-O-(p-nitrobenzoyl)

2,3,5-Tri-O-benzoyl-1-O-(p-nitrobenzoyl)-β-d-ribofuranose, a convenient reagent for the preparation of 2,3,5-tri-O-benzoyl-d-ribofuranosyl chloride and bromide

✍ Robert K. Ness; Hewitt G. Fletcher Jr.; Kenneth W. Freer 📂 Article 📅 1971 🏛 Elsevier Science 🌐 English ⚖ 546 KB

An improved preparation of 2,3,5-tri-O-a

An improved preparation of 2,3,5-tri-O-acyl-β-d-ribofuranosyl azides by the Lewis acid-catalysed reaction of β-d-ribofuranosyl acetates and trimethylsilyl azide: an example of concomitant formation of the α anomer by trimethylsilyl triflate catalysis

✍ Anton Štimac; Jože Kobe 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 514 KB

An improved synthesis ' of 2,3,5-tri-O-benzoyl-/3-o-ribofuranosyl azide (3) involves the reaction of trimethylsilyl azide in the presence of a Lewis acid with l-0-acetyl-2,3J-tri-O-benzoyl-@-o-ribofuranose 2-4 (1) rather than the action of sodium azide upon the corresponding halide 5. Titanium tetra