Tetracyclic fused heterocyclic compound and use thereof as HCV polymerase inhibitor
申请人:Oka Takahiro
公开号:US20070049593A1
公开(公告)日:2007-03-01
The present invention relates to a tetracyclic fused heterocyclic compound represented by the following formula [I]
wherein each symbol is as defined in the specification, or a pharmaceutically acceptable a salt thereof, and a hepatitis C virus (HCV) polymerase inhibitor and a therapeutic agent for hepatitis C containing this compound. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.
TETRACYCLIC FUSED HETEROCYCLIC COMPOUND AND USE THEREOF AS HCV POLYMERASE INHIBITOR
申请人:Oka Takahiro
公开号:US20120070409A1
公开(公告)日:2012-03-22
The present invention relates to a tetracyclic fused heterocyclic compound represented by the following formula [I]
wherein each symbol is as defined in the specification, or a pharmaceutically acceptable a salt thereof, and a hepatitis C virus (HCV) polymerase inhibitor and a therapeutic agent for hepatitis C containing this compound. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.
METHODS FOR PRODUCING TERTIARY AMINE CATALYSTS AND USES OF SUCH
申请人:HUNTSMAN PETROCHEMICAL LLC
公开号:US20210121860A1
公开(公告)日:2021-04-29
Method for producing a tertiary amine catalyst comprising reacting a first tertiary amine having two or three hydroxyl moieties and a second tertiary amine having a halogen moiety. Also a method for producing tertiary amine catalysts comprising reacting a tertiary amine having at least two halogen moieties and either (i) a tertiary amine having at least one hydroxyl moiety, or (ii) a heterocyclic compound comprising an amine and an ether functional group.