412293-68-6Relevant academic research and scientific papers
NITROGENOUS FIVE-MEMBERED RING COMPOUNDS
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, (2008/06/13)
The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I] : wherein symbols in the formula have the following meanings;A: -CH2- or -S-,B: CH or N,R1: H, a lower alkyl group, etc.,X: a single bonding arm, -CO-, -Alk-CO-, -COCH2-, -Alk-O-, -O-CH2-, -SO2-, -S-, -COO-, -CON(R3)-, -Alk-CON(R3)-, -CON(R3)CH2-, -NHCH2-, etc.,R3: hydrogen atom or a lower alkyl group,Alk: a lower alkylene group, andR2: (1) a cyclic group which may be substituted, (2) a substituted amino group, etc., provided that when X is -CO-, then B is N, or a pharmaceutically acceptable salt thereof.
