Chemical Formula: C44H48O18

Polyketomycin

C44H48O18 (864.2840507999999)

A carbohydrate-containing antibiotic isolated from the culture broth of Streptomyces sp.MK277-AF1. It exhibits potent antibacterial activity against several Gram-positive bacterial strains and is also found to be cytotoxic against a number of tumour cell lines.

(2R,3S,6S)-2-methyl-6-{[(1S,3E,4aS,12aR)-4a,6,12a-trihydroxy-3-(1-hydroxyethylidene)-9-methoxy-11-methyl-2,4,5,7,10-pentaoxo-1,2,3,4,4a,5,7,10,12,12a-decahydrotetracen-1-yl]oxy}tetrahydro-2H-pyran-3-yl 2,6-dideoxy-4-O-(2-hydroxy-3,6-dimethylbenzoyl)-3-C-methyl-alpha-L-xylo-hexopyranoside

C44H48O18 (864.2840507999999)

6-[(6-{[4a,6,12a-trihydroxy-3-(1-hydroxyethylidene)-9-methoxy-11-methyl-2,4,5,7,10-pentaoxo-1,12-dihydrotetracen-1-yl]oxy}-2-methyloxan-3-yl)oxy]-4-hydroxy-2,4-dimethyloxan-3-yl 2-hydroxy-3,6-dimethylbenzoate

C44H48O18 (864.2840507999999)

(2s,3r,4r,6s)-6-{[(2r,3s,6s)-6-[(3-acetyl-4,4a,6,12a-tetrahydroxy-9-methoxy-11-methyl-2,5,7,10-tetraoxo-1,12-dihydrotetracen-1-yl)oxy]-2-methyloxan-3-yl]oxy}-4-hydroxy-2,4-dimethyloxan-3-yl 2-hydroxy-3,6-dimethylbenzoate

C44H48O18 (864.2840507999999)

6-({6-[(3-acetyl-4,4a,6,12a-tetrahydroxy-9-methoxy-11-methyl-2,5,7,10-tetraoxo-1,12-dihydrotetracen-1-yl)oxy]-2-methyloxan-3-yl}oxy)-4-hydroxy-2,4-dimethyloxan-3-yl 2-hydroxy-3,6-dimethylbenzoate

C44H48O18 (864.2840507999999)

(2s,3r,4r,6s)-6-{[(2r,3s,6s)-6-{[(1s,4as,12ar)-3-acetyl-4,4a,6,12a-tetrahydroxy-9-methoxy-11-methyl-2,5,7,10-tetraoxo-1,12-dihydrotetracen-1-yl]oxy}-2-methyloxan-3-yl]oxy}-4-hydroxy-2,4-dimethyloxan-3-yl 2-hydroxy-3,6-dimethylbenzoate

C44H48O18 (864.2840507999999)

(2s,3r,4r,6s)-6-{[(2r,3s,6s)-6-{[(3e)-4a,6,12a-trihydroxy-3-(1-hydroxyethylidene)-9-methoxy-11-methyl-2,4,5,7,10-pentaoxo-1,12-dihydrotetracen-1-yl]oxy}-2-methyloxan-3-yl]oxy}-4-hydroxy-2,4-dimethyloxan-3-yl 2-hydroxy-3,6-dimethylbenzoate

C44H48O18 (864.2840507999999)