Patent number: 7202383
Abstract: There is described compounds of Formula I, and salts, solvates and hydrates thereof: wherein: R1, R2 and R3 are each independently selected from OH, C1-6alkyl, OC1-6alkyl, OC(O)C1-6alkyl, C(O)OC1-6alkyl, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), C(O)NHC1-6alkyl, C(O)N(C1-6alkyl)(C1-6alkyl), SH, SC1-6alkyl, NO2, CF3, OCF3 and halogen; and Ar is an aromatic or heteroaromatic group chosen from benzene, naphthalene, quinoline, isoquinoline, indole, pyridine, pyrasine, pyrimidine, imidazole, furan and thiophene, unsubstituted or substituted with 1–4 substituents independently selected from OH, C1-6alkyl, C1-6alkoxy, C1-3alkylenedioxy, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6)(C1-6alkyl), SH, S—C1-6alkyl, NO2, CF3, OCF3 and halogen. The compounds of Formula I are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
Type:
Grant
Filed:
September 14, 2004
Date of Patent:
April 10, 2007
Assignee:
The Hospital For Sick Children
Inventors:
Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
Patent number: 6884821
Abstract: Novel carboxylic acid derivatives of general formula (I), salts of the same, esters thereof, or hydrates of them, which are useful as insulin resistance improvers; and drugs containing the derivatives as the active ingredient. In said formula, R1 is hydrogen, hydroxyl, alkyl, or the like; L is a single bond, a double bond, alkylene, or the like; M is a single bond, alkylene, or the like; T is a single bond, alkylene, or the like; W is carboxyl, —CON(RW1)RW2, or the like; represents a single or double bond; X is oxygen, alkenylene, or the like; Y is an aromatic hydrocarbon group which may contain a heteroatom, or the like; and Z is an aromatic hydrocarbon group which may contain a heteroatom.
Type:
Grant
Filed:
September 29, 2000
Date of Patent:
April 26, 2005
Assignee:
Eisai Co., Ltd.
Inventors:
Masanobu Shinoda, Eita Emori, Fumiyoshi Matsuura, Toshihiko Kaneko, Norihito Ohi, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Sadakazu Miyashita, Taro Hibara, Takashi Seiki, Richard Clark, Hitoshi Harada