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.
Synthesis of dihydrochromeno[4,3-b]pyrrolo[3,2-f]quinolines via intramolecular aza Diels–Alder reaction
作者:Subburethinam Ramesh、Rajagopal Nagarajan
DOI:10.1016/j.tetlet.2011.07.033
日期:2011.9
An efficient and convenient one-pot intramolecular aza Diels-Alder approach for the synthesis of dihydrochromeno[4,3-b]pyrrolo[3,2-f]quinolines has been reported. Particularly valuable features of this methodology include simple execution, inexpensive catalyst, and good product yields. (C) 2011 Elsevier Ltd. All rights reserved.