Method for the synthesis of nucleotide or oligonucleotide
申请人:Isis Pharmaceuticals, Inc.
公开号:US06103891A1
公开(公告)日:2000-08-15
The present invention presents novel methods for recovery of phosphoramidites from the waste products of oligonucleotide synthesis. The methods include reacting a trihalophenoxydihalophosphorane with a H-phosphonate in the presence of an amine.