166813-01-0Relevant articles and documents
Unanticipated retention of configuration in the DAST fluorination of deoxy-4′-thiopyrimidine nucleosides with "up" hydroxyl groups
Jeong, Lak S.,Nicklaus, Marc C.,George, Cliff,Marquez, Victor E.
, p. 7569 - 7572 (2007/10/02)
Fluorination of 1-(5-O-trityl-3-deoxy-4-thio-β-D-threo-pentofuranosyl)uracil (17) and 1-(5-O-trityl-2-deoxy-4-thio-β-D-threo- pentofuranosyl)uracil (20) with DAST proceeded with exclusive retention of configuration. The structures of the products were con