Synthesis of 4-alkyl-3,5-dibromo-, 3-bromo-4,5-dialkyl- and 3,4,5-trialkylpyridines via sequential metalation and metal-halogen exchange of 3,5-dibromopyridine
作者:Yu Gui Gu、Erol K. Bayburt
DOI:10.1016/0040-4039(96)00331-0
日期:1996.4
Lithiation of 3,5-dibromopyridine with LDA and subsequent reaction with electrophiles provided 4-alkyl-3,5-dibromopyridines 2 in high yield. 3-Bromo-4,5-dialkylpyridines 3 were synthesized by metal-halogenexchange of 2 with one equivalent n-BuLi and reaction with a second electrophile. Further metal-halogenexchange of 3 and reaction with a third electrophile provided 3,4,5-trisubstituted pyridines
[EN] INHIBITORS OF PRENYL-PROTEIN TRANSFERASE<br/>[FR] INHIBITEURS DE PRENYL-PROTEINE TRANSFERASE
申请人:MERCK & CO INC
公开号:WO2000034437A2
公开(公告)日:2000-06-15
The present invention is directed to compounds which inhibit prenyl-protein transferase (FTase) and the prenylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting prenyl-protein transferase and the prenylation of the oncogene protein Ras.