Leukotriene receptor antagonists. 4. Synthesis and leukotriene D4/E4 receptor antagonist activity of 4-(alkyl)acetophenone derivatives
作者:D. Mark Gapinski、Carlos R. Roman、Lynn E. Rinkema、Jerome H. Fleisch
DOI:10.1021/jm00396a027
日期:1988.1
Analogues of the leukotriene D4/E4 receptor antagonist LY171883 (1a) were synthesized in which the tetrazole was linked to the hydroxyacetophenone moiety by an all-methylene carbon chain. A key step in the synthesis involved a Wittig olefin-forming reaction between 3-methoxy-2-propylbenzaldehyde and the ylide derived from (4-carboxybutyl)triphenylphosphonium bromide to form the desired carbon chain