Patent · US Active

Chloral-free DCA in oligonucleotide synthesis

US7759480B2 · kind B2 · utility

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91References
13Claims
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Key dates

Filing dateJan 29, 2007
Grant dateJul 20, 2010
Priority date
Expiry dateMay 4, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07H21/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process of manufacturing oligonucleotides includes a 5′-deblocking step in which the 5-blocking group is removed with dichloroacetic acid that is essentially free of chloral. The process is useful for making oligonucleotides that are substantially free of chloral adducts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.