Process for the synthesis of 4-hydroxy-5-halopyrrolo 2,3-D pyrimidine intermediates
申请人:ELI LILLY AND COMPANY
公开号:EP0576211A2
公开(公告)日:1993-12-29
4-Hydroxypyrrolo[2,3-d]pyrimidines are regiospecifically halogenated at the C-5 position by silylation in the presence of an inert organic solvent and iodination, bromination or chlorination.