Novobiocin analogues as anticancer agents
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Abstract
Novel analogues and derivatives of novobiocin are provided, including compounds having modifications to the amide side chain, coumarin ring, and sugar moieties. The compounds of the present invention are useful as heat shock protein 90 inhibitors, and may be used as anticancer and neuroprotective agents.
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Citations
30 Claims
- 1. The compounds according to Formula I
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30. The compounds selected from the group consisting of:
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N-(7-((3aR,4R,7R,7aR)-7-methoxy-6,6-dimethyl-2-oxo-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yloxy)-2-oxo-2H-chromen-3-yl)acetamide (A1);
(2R,3R,4R,5R)-2-(3-acetamido-2-oxo-2H-chromen-7-yloxy)-4-hydroxy-5-methoxy-6,6-dimethyl-tetrahydro-2H-pyran-3-yl carbamate (A2);
(3R,4S,5R,6R)-6-(3-acetamido-2-oxo-2H-chromen-7-yloxy)-5-hydroxy-3-methoxy-2,2-dimethyl tetrahydro-2H-pyran-4-yl carbamate (A3);
N-(7-((2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyl-tetrahydro-2H-pyran-2-yloxy)-2-oxo-2H-chromen-3-yl)acetamide (A4);
7-((3aR,4R,7R,7aR)-7-methoxy-6,6-dimethyl-2-oxo-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yloxy)-2H-chromen-2-one (B1);
(3R,4S,5R,6R)-5-hydroxy-3-methoxy-2,2-dimethyl-6-(2-oxo-2H-chromen-7-yloxy)-tetrahydro-2H-pyran-4-yl carbamate (B2);
(2R,3R,4R,5R)-4-hydroxy-5-methoxy-6,6-dimethyl-2-(2-oxo-2H-chromen-7-yloxy)-tetrahydro-2H-pyran-3-yl carbamate (B3);
7-((2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyl-tetrahydro-2H-pyran-2-yloxy)-2H-chromen-2-one (B4);
7-((3aR,4R,7R,7aR)-7-methoxy-6,6-dimethyl-2-oxo-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yloxy)-4-methyl-3-phenyl-2H-chromen-2-one (C1);
(3R,4S,5R,6R)-5-hydroxy-3-methoxy-2,2-dimethyl-6-(4-methyl-2-oxo-3-phenyl-2H-chromen-7-yloxy)-tetrahydro-2H-pyran-4-yl carbamate (C2);
(2R,3R,4R,5R)-4-hydroxy-5-methoxy-6,6-dimethyl-2-(4-methyl-2-oxo-3-phenyl-2H-chromen-7-yloxy)-tetrahydro-2H-pyran-3-yl carbamate (C3);
7-((2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyl-tetrahydro-2H-pyran-2-yloxy)-4-methyl-3-phenyl-2H-chromen-2-one (C4);
.8-(7-Methoxy-6,6-dimethyl-2-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-yloxy)-chromen-2-one (D1);
Carbamic acid 4-hydroxy-5-methoxy-6,6-dimethyl-2-(2-oxo-2H-chromen-8-yloxy)-tetrahydro-pyran-3-yl ester (D2);
carbamic acid 5-hydroxy-3-methoxy-2,2-dimethyl-6-(2-oxo-2H-chromen-8-yloxy)-tetrahydro-pyran-4-yl ester (D3);
8-(3,4-Dihydroxy-5-methoxy-6,6-dimethyl-tetrahydro-pyran-2-yloxy)-chromen-2-one (D4);
6-(7-Methoxy-6,6-dimethyl-2-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-yloxy)-chromen-2-one (E1);
Carbamic acid 5-hydroxy-3-methoxy-2,2-dimethyl-6-(2-oxo-2H-chromen-6-yloxy)-tetrahydro-pyran-4-yl ester (E2);
Carbamic acid 4-hydroxy-5-methoxy-6,6-dimethyl-2-(2-oxo-2H-chromen-6-yloxy)-tetrahydro-pyran-3-yl ester (E3); and
6-(3,4-Dihydroxy-5-methoxy-6,6-dimethyl-tetrahydro-pyran-2-yloxy)-chromen-2-one (E4).
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Specification