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dc.contributor.authorMohammed, Yousuf Hussain
dc.contributor.supervisorDr Paul E. Murray

Malaria remains one of the most common causes of illness and death in developing countries.1 The development of new drugs to combat the disease is becoming one of the fastest growing research areas. Hydroxypiperaquine (HPQ) is an antimalarial bisquinoline compound related to the emerging antimalarial drug Piperaquine (PQ).2 Various research programs are being conducted internationally in efforts to prepare PQ for possible clinical use in combination with artemisinin derivatives. The hydroxy compound (HPQ) has been described in the Chinese literature but no data exists for this compound within the Western literature.3The primary aim of this research project was to synthesise Hydroxypiperaquine via alternative synthetic pathways to that briefly described by Xu et al3 by exploring various synthetic strategies based on literature synthetic procedures involving similar compounds. HPQ was synthesised through a three step synthetic process. In the first step, tertiary butoxy carbonyl (tBOC) piperazine was coupled with 4,7-dichloroquine (4,7-DCQ) to produce the intermediate 7-chloro-4-(tBOC piperazin-1-yl)quinoline. The second synthetic step involved the deprotection of 7-chloro-4-(tBOCpiperazinyl)quinoline to remove the tertiary butoxy carbonyl (tBOC) protecting group.The deprotected intermediate, 7-chloro-4-(piperazin-1-yl)quinoline, was subsequently reacted with 1,3-dichloropropanol in 1-pentanol to yield HPQ in the third step. This three step synthetic approach provides an alternative and efficient process to synthesise HPQ. The research provides important and specific details for the synthetic methodology involved in the synthesis of HPQ for future synthetic and biological research.

dc.publisherCurtin University
dc.subjectartemisinin derivatives
dc.subjectantimalarial drug Piperaquine (PQ)
dc.subjectantimalarial compound hydroxypiperaquine (HPQ)
dc.titleThe synthesis of the antimalarial compound hydroxypiperaquine (HPQ)
curtin.departmentSchool of Pharmacy
curtin.accessStatusOpen access

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