U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 1601 - 1610 of 2617 results

The mixture of artemotil and alpha-arteether is used in patients with cerebral malaria. Both beta and alpha/beta arteether have comparable activity and are curative at a dose of 5 mg/kg for 3 days against blood-induced Plasmodium cynomolgi B infection in the rhesus monkey; alpha arteether alone is slightly less active, with a 50% cure rate at the above dose. Alpha-arteether is a fourth generation anti-bacterial and anti-fungal drug. Alpha-arteether was found to inhibit the growth of E-coli strains defective in DNA-gyrase enzyme. DNA gyrase mutants were sensitive to α-arteether whereas the wild type of E-coli having intact DNA gyrase genes were not sensitive to α-arteethers. In fact, the isomer of this compound, β-arteether, does not exhibit this activity. The beta-isomer of arteether was characterized by a longer elimination half-life and a relatively larger volume of distribution than the alpha-isomer, suggesting that beta-arteether may be responsible for the prolonged in vivo schizontocidal activity.
Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Conditions:

6-Methoxy-alpha-tetralone is the starting materials in the synthesis of several complex biologically active compounds. For example, syntheses of derivatives of oestrane and 19-norsteroids, Desmethylnafoxidine aziridine and others.
Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Conditions:

23-O-Acetylshengmanol-3-O-α-L-Arabinoside is an epimer of Acetylshengmanol Arabinoside. Both of which are obtained from rhizomes of Cimicifuga racemosa.
Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Showing 1601 - 1610 of 2617 results