| 摘要 |
1. A chroman derivative represented by the following formula: <CHEM> wherein X represents H, -CH2OH, -CHO, -COOH, -COOCH3, -CH=NOH, - CONH2, -COCH3, -CH(OH)CH3, Br, or CN; Y represents a hydroxyl group which may optionally be protected; R represents an alkyl group, alkenyl group, or aralkyl group; provided that, where X is hydrogen atom, R is an alkyl group, alkenyl group, or aralkyl group each having 16 or more carbon atoms; and a vitamin E-like active medicament comprising said derivative as an active ingredient. |
