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US 2026/0209199 A1Published application
Trisulfide compound
AssigneeKyowa Pharma Chemical Co., Ltd.
InventorsShoichiro TOMONAGA, Hiroaki ISHIMARU, Etsuo OHSHIMA
Life of this patent
Estimating the term…
Abstract
Disclosed is a compound represented by formula (1) or a salt thereof. (In the formula: R10 is a hydrogen atom or the like; R11 is a hydrogen atom or the like; and h and i are each independently 0 or 1.)
Claims9
A compound represented by the Formula (1) or a salt thereof:
- wherein R10 is a hydrogen atom or a group represented by
- wherein * is a bond, and
- R11 is a hydrogen atom or a group represented by
- wherein * is a bond, with a proviso that R10 and R11 are not hydrogen atoms at the same time,
- wherein R1, R2, R3, and R4 are each independently a hydrogen atom, a C1-9 alkyl group, or a C1-5 acyl group, and R1 and R3 may together form a group represented by the Formula (2):
- wherein R5 is a methylene group optionally having a C1-4 alkyl group as a substituent, and * is a bond, or a carbonyl group, R2 and R4 may together form a group represented by the Formula (2):
- wherein R5 is a methylene group optionally having a C1-4 alkyl group as a substituent, and * is a bond, or a carbonyl group, with a proviso that at least one of R1, R2, R3, or R4 is a C1-9 alkyl group or a C1-5 acyl group, and h and i are each independently 0 or 1.
4 more elements
Dependencies are inferred from the claim text.