Abstract
The selective separation of the 5′-hydroxy component from the product mixture obtained in the synthesis of polynucleotide fragments is rendered simple by use of 4-alkoxytrityl protecting groups with long alkyl chains. Thus, the compound (2) synthesized from (1), R = C16H3, and thymidine can be purified by chromatography on SiO2.
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More From: Angewandte Chemie International Edition in English
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