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8156652 
Journal Article 
P(III)-ACRIDINE DERIVATIVES AS BUILDING-BLOCKS FOR THE SOLID-PHASE SYNTHESIS OF NON-RADIOACTIVELY LABELED OLIGONUCLEOTIDES 
Moller, U; Cech, D; Schubert, F 
1990 
Liebigs Annalen der Chemie
ISSN: 0170-2041 
VCH PUBLISHERS INC 
DEERFIELD BEACH 
12 
1221-1225 
In contrast to 9-(2-hydroxyethyl)-10-methylacridinium salts 5 9-(2-hydroxyethyl)acridine (2) proved to be a useful intermediate for the synthesis of 2-(9-acridinyl)ethyl phosphoramidites 8 or 2-(9-acridinyl)ethyl H-phosphonates 9 suitable for the introduction of acridine into oligonucleotides. The phosphorous compounds 8 and 9 were synthesized by modified standard procedures. The phosphoramidites and H-phosphonates of 2 are attached to the 5' end of different oligonucleotides in the last cycle of the solid-phase synthesis. 
ACRIDINE LABELING; PHOSPHORAMIDITES; H-PHOSPHONATES; OLIGONUCLEOTIDE SYNTHESIS