Substituted naphtho[2,3-b]furans as water-soluble prodrugs for preventing and/or treating cancer
US10800752B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 19, 2018 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Nov 19, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides compounds represented by formula (1A), or pharmaceutically acceptable salts. Compounds represented by formula (1A), or pharmaceutically acceptable salts thereof, wherein A1 and A2 are identical or different, and each independently —C(═O)B, —C(═O)CR3AR3BB, —CO2B, —C(═S)OB, —CONR3CB, —C(═S)NR3CB, a hydrogen atom, or the like, wherein A1 and A2 are not both hydrogen atoms, wherein B is an optionally substituted 3- to 12-membered monocyclic or polycyclic heterocyclic group, an optionally substituted 3- to 12-membered cyclic amino group, or a group represented by the following formula (B), wherein the 3- to 12-membered monocyclic or polycyclic heterocyclic group and the 3- to 12-membered cyclic amino group have at least one or more secondary nitrogen atoms in the ring; R1 is a hydrogen atom or the like; R2A, R2B, R2C, and R2D are identical or different, and each independently a hydrogen atom or the like; and R8 is alkyl. wherein * denotes a bonding position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.