Abstract

AbstractTwo sets of conditions have been proposed for the cleavage of oligodeoxyribonucleotides from cis‐diol‐bearing polymer supports and their complete deprotection. The first condition involves the use of spermine in the presence of Zn2+ ions in aqueous NH3 at 60° for 1 h, while the second one employs the use of 0.5M LiOH in conjunction with 3.5M Et3N/MeOH at 75° for 40–60 min, or under microwaves for 5–8 min, depending on the protection employed for nucleic bases.

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