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ChemicalBook CAS DataBase List 2',3'-O-Isopropylideneguanosine
362-76-5

2',3'-O-Isopropylideneguanosine synthesis

4synthesis methods
Add 10 mL of anhydrous pyridine to 2 g (7.45 mmol) of solid 2',3'-O-Isopropylideneguanosine to form a white suspension.
1 Remove the pyridine under reduced pressure to remove any trapped water;
2 Repeat the previous step;
3 Add 5 mL of acetone to the residue and stir for 30 minutes;
4 Add 50 mL of ether to the mixture and stir for 1 hour;
5 Filter the resulting precipitate and wash it with ether;
6 Dry the product in a vacuum desiccator over P2O5.
-

Yield: 94%

Reaction Conditions:

with toluene-4-sulfonic acid in acetone at 25;

References:

Foitzik, Richard C.;Devine, Shane M.;Hausler, Nicholas E.;Scammells, Peter J. [Tetrahedron,2009,vol. 65,# 43,p. 8851 - 8857] Location in patent:experimental part

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