3-Q-5-[4-(R'-X)phenyl]-6-R-2(1H)-pyridinones (I), where R and R' are each methyl or ethyl, X is sulfinyl when Q is hydrogen or cyano, or X is sulfonyl when Q is cyano, their preparation and cardiotonic use are shown. Also shown are intermediates 5-[4-(R'-thio)phenyl]-6-R-2(1H)-pyridinones (II) and also corresponding 3-cyano intermediates.
3-Q-5-[4-(R'-X)苯基]-6-R-2(1H)-
吡啶酮(I),其中R和R'均为甲基或乙基,当Q为氢或
氰时,X为磺酰基,当Q为
氰时,X为磺酰基,显示它们的制备和强心作用。还显示了中间体5-[4-(R'-
硫)苯基]-6-R-2(1H)-
吡啶酮(II),以及相应的3-
氰中间体。