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Selective cleavage of O-acyl protecting groups from blocked deoxyribotides

✍ Scribed by Suresh C Srivastava

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
444 KB
Volume
10
Category
Article
ISSN
0045-2068

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📜 SIMILAR VOLUMES

Cathodic cleavage of the tritylone group
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Alcohols protected with the tritylone group can be deprotected cathodically under mild and neutral conditions. The combination of the tritylone and the pcyanobenzyl group allows the selective protection of either the primary or secon, dary hydroxyl group in 1,4-pentane diol.

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A facile conversion of 2',3',5'-O-tri-(Bz, Tol or Ac)-N2-(Ac or iBu)-O6-DPC-guanosine to N2-(Ac or iBu)guanosine has been achieved in 89-98% yield by short treatment with 90% aqueous TFA for smooth cleavage of the DPC group followed by treatment with sodium ethoxide in pyridine-ethanol mixture at ro