Naphthoquinone derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclohexadiene having atoms double bonded directly at the 1-...

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C07C 5038

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active

051753197

ABSTRACT:
Novel antiprotozoal naphthoquinones having the general formula ##STR1## (wherein either R.sup.1 is hydrogen and R.sup.2 is selected from C.sub.1-6 alkoxy, aralkoxy, C.sub.1-6 alkyl-C.sub.1-6 alkoxy, phenyl substituted by one or two groups selected from halogen and C.sub.1-6 alkyl, halogen and perhalo-C.sub.1-6 alkyl; or R.sup.1 and R.sup.2 are both C.sub.1-6 alkyl or phenyl; and n is 0 or 1) and salt thereof. The compounds of formula (I) are useful for the treatment or prophylaxis of protozoal diseases including malaria, theileriosis and coccidiosis. Various processes for preparing compounds of formula (I) are described.

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