Esterified α-galactosylceramide
US8580751B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2009 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Jan 26, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H15/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides esterified α-galactosylceramides effective for cancer treatment and the like, and a medicament containing same. In particular, the invention relates to a compound represented by the formula (I):wherein R1 is a hydrocarbon group having a carbon number of 1 to 30, R2 is a hydrocarbon group having a carbon number of 1 to 20, R3 is a hydrogen atom or hydrocarbon group having a carbon number of 1 to 5, R4 and R5 are the same or different and each is a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 5, or R4 and R5 in combination form a divalent hydrocarbon group having a carbon number of 1 to 5, and optionally form a ring structure together with the adjacent ethylenedioxy, or a salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.