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US 4,059,592 AGranted
Arylsulfonyl tetrazoles
AssigneeCanadian Patents and Development Limited
InventorsSaran A. Narang, Jacek Stawinski
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Abstract
Arylsulfonyl tetrazoles of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are selected from hydrogen, lower alkyl and lower alkoxy groups, and their preparation are described. These compounds have been found to be advantageous condensing or coupling agents via phosphoester formation in polynucleotide synthesis.
Claims6
An arylsulfonyl tetrazole of the formula ##STR3## where R.sub.1, R.sub.2 and R.sub.3 are selected from hydrogen, lower alkyl and lower alkoxy groups, the alkyl and alkoxy groups having from 1 to 4 carbon atoms.
Dependencies are inferred from the claim text.