Inventors:
Vasulinga T. Ravikumar - Carlsbad CA, US
Muthiah Manoharan - Carlsbad CA, US
Daniel C. Capaldi - San Diego CA, US
Achim Krotz - San Diego CA, US
Douglas L. Cole - San Diego CA, US
Andrei Guzaev - Carlsbad CA, US
Assignee:
ISIS Pharmaceuticals, Inc. - Carlsbad CA
International Classification:
C07H021/00
US Classification:
536 231, 536 243, 536 245, 536 2531, 536 2534
Abstract:
Synthetic processes are provided wherein oligomeric compounds are prepared having phosphodiester, phosphorothioate, phosphorodithioate, or other covalent linkages. The oligomers have substantially reduced exocyclic adducts deriving from acrylonitrile or related contaminants.