A Novel and Highly Stereoselective Process for Preparing Gemcitabine and Intermediates Thereof

摘要

The present invention relates to a method of producing a composite gemcitabine for industrialized production of the new high stereoselectivity. The present invention is configured to include a reaction among them. The invention also provides an important intermediate compound. Detailed information on the definition of the radicals G1, G2, G3, G4 and G5, refer to the specification. ; Stereoselectivity, gemcitabine, erythromycin structure, based nucleotide metabolism antagonist