Pharmaceutical compositions comprising substituted 3-cinnamoyl-2h-pyran-2,6(3h)-diones
Реферат: 1527236 3 - Cinnamoyl - 2H- pyran - 2,6(3H)- diones SMITHKLINE CORP 11 Sept 1975 [2 Oct 1974] 37418/75 Heading C2C The invention comprises compounds having the formula wherein R is hydrogen, methyl, methoxy, hydroxy, carboxy-methyleneoxy, acetamido or 3- acetamido-4-hydroxy-. They may be prepared by reacting a compound of formula with a compound of formula The compounds of the Formula I wherein R has the stated meanings and may also be dimethoxy may be used for the treatment of allergic diseases and may be administered orally, parenterally or by inhalation.
Pharmaceutical compositions comprising substituted 3-cinnamoyl-2h-pyran-2,6(3h)-diones
Номер патента: CA1076591A. Автор: Lawrence W. Chakrin,Chester R. Willis,Kenneth M. Shader. Владелец: Smith Kline and French Canada Ltd. Дата публикации: 1980-04-29.