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The metabolism of pyruvate by the adult filarial parasites Brugia pahangi, Dipetalonema viteae, and Litomosoides carinii has been compared. Istopic carbon-balance studies indicate the presence of significant pyruvate dehydrogenase activity in L. carinii but little or no activity in either B. pahangi or D. viteae. In all 3 helminths, the quantities of… (More)
Hypervalent iodine catalyzed oxidation of aldoximes using oxone as a terminal oxidant generates nitrile oxides, which react with alkenes and alkynes to give the corresponding isoxazolines and isoxazoles in moderate to good yields. This reaction involves active hypervalent iodine species formed in situ from catalytic iodoarene and oxone in the presence of… (More)
Hofmann rearrangement of carboxamides to carbamates using Oxone as an oxidant can be efficiently catalyzed by iodobenzene. This reaction involves hypervalent iodine species generated in situ from catalytic amount of PhI and Oxone in the presence of 1,1,1,3,3,3-hexafluoroisopropanol (HFIP) in aqueous methanol solutions. Under these conditions, Hofmann… (More)
4-Isothiocyanato-4'-nitrodiphenylamine possessed anthelmintic activity against Nippostrongylus dubius and Hymenolepis nana in mice and H. diminuta in rats as determined by both egg counts and recovery of parasites at autopsy. No activity was detected against the cestode. Spirometra mansonoides, in cats.
OBJECTIVES To evaluate whether children, women, and men match the speaker's fundamental frequency (F0) during nonword imitation directly when the target F0 is within the responders' vocal ranges and at octave-shifted levels when the target is outside their vocal ranges, and to evaluate the role of a history of speech sound disorder (SSD) in the adult… (More)
Isoxazolines can be efficiently synthesized in good yields via a hypoiodite mediated catalytic oxidative cyclization of aldoximes and alkenes. This reaction involves active iodine species generated in situ from catalytic amounts of KI and Oxone.