3-甲基戊二酸酐 、 2-氯-4-氨基苯腈 以
四氢呋喃 为溶剂,
反应 16.0h,
以to give 5-(3-chloro-4-cyanophenylamino)-3-methyl-5-oxopentanoic acid (1.143 g, 4.07 mmol, 100%) as a pale brown oil的产率得到5-(3-chloro-4-cyanophenylamino)-3-methyl-5-oxopentanoic acid
The present invention provides a fused heterocyclic compound having an RORγt inhibitory action. The present invention relates to a compound represented by the formula (I′):
wherein each symbol is as defined in the specification, provided that 2-(2-((4-cyanophenyl)amino)-2-oxoethoxy)-N-(9-ethyl-9H-carbazol-3-yl)acetamide and N-(4-cyanophenyl)-N′-(9-ethyl-9H-carbazol-3-yl)-3-methylpentanediamide are excluded, or a thereof.
The present invention provides a heterocyclic compound having an RORγt inhibitory action.
The present invention relates to a compound represented by the formula (I):
wherein
Ar is a the partial structure (1) to the partial structure (5),
Q is a bivalent group selected from the group consisting of (Ia)-(If), and
B is a ring optionally having substituent(s),
or a salt thereof.