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US 6,555,571 B2Granted
3-methyl -chromane or thiochromane derivatives
AssigneeChugai Seiyaku Kabushiki Kaisha
InventorsJaeChon Jo, KooHyeon Ahn, JuSu Kim, PilSu Ho, Kazumi Morikawa, Yoshitake Kanbe, Masahiro Nishimoto, MyungHwa Kim
Life of this patent
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Abstract
The present invention relates to 3-methyl-chromane or thiochromane derivatives, pharmaceutically acceptable salts, stereoisomers or hydrates thereof, and an anti-estrogenic pharmaceutical composition which comprises the above compound as an active component.
Claims11
A compound of formula (1):
- in which
- X represents O or S,
- R1 represents hydrogen or metal, and
- m represents an integer of 2 to 14, pharmaceutically acceptable salts, stereoisomers or hydrates thereof.
1 more element
Dependencies are inferred from the claim text.