Processes and intermediates useful to make antifolates
申请人:Eli Lilly and Company
公开号:US06426417B1
公开(公告)日:2002-07-30
The present invention concerns intermediates, and processes directed to and from those intermediates, to a series of pyrimidine derivatives of formula (V), which are intermediates to useful antifolate compounds or are themselves useful antifolate compounds.
.alpha.-Alkoxyallylation of activated carbonyl compounds. A novel variant of the Michael reaction
作者:Robert M. Coates、Steven J. Hobbs
DOI:10.1021/jo00175a030
日期:1984.1
An efficient method for α-monofluorination of carbonyl compounds with molecular fluorine: Use of α-hydroxymethylene substituent as directing and activating groups
作者:Hiroshi Kamaya、Masayuki Sato、Chikara Kaneko
DOI:10.1016/s0040-4039(96)02378-7
日期:1997.1
Molecular fluorine efficiently reacts with α-hydroxymethylene carbonylcompounds to give α-fluoro-α-formyl compounds in a highly site-specific manner. The fluorinated compounds mostly isolated as their hemiacetals with methanol are readily deformylated just by treatment with weak bases affording α-monofluorinated carbonylcompounds. In this fluorination method, the hydroxymethylene group serves not