[EN] NOVEL HELQUATS, THEIR PRECURSORS AND METHOD OF PREPARATION THEREOF<br/>[FR] NOUVEAUX HELQUATS, LEURS PRÉCURSEURS ET PROCÉDÉ DE PRÉPARATION ASSOCIÉ
申请人:USTAV ORGANICKE CHEMIE A BIOCH
公开号:WO2010118711A2
公开(公告)日:2010-10-21
Described are new helquats of general.formula I, their precursors of general formula II and III and methods of their preparation from compound of. general formula IV, where symbols S12, S1`2`, T23, T2`3` , R1 , R 2, X- have the meaning defined in description and claims. According to this invention it is possible e.g. from one non-symmetric compound of general formula IV (tether S1,2 is different from tether S1`2`) and 10 different alkylation agents to prepare 100 various helquats of general1, formula I and 90 various helquats without repetition of the alkylation agent. From symmetric compound of general formula IV (tether S1,2 is the same as tether S1`2` ) and 10 different alkylation agents it is possible to prepare 55 various helquats of general formula I and 45 various helquats without repetition of the alkylation agent.