摘要 |
Disclosed is a novel dimethylpropanediol compound of the formula: (see fig.I) wherein R1 and R2 are each independently a C1-30 hydrocarbon group which may be substituted, or a five- or six-membered heterocyclic group which contains 1 to 4 heteroatoms selected from oxygen, sulfur and nitrogen atoms and which may be substituted, R3 is hydrogen atom, an alkyl group which may be substituted, an acyl group, an alkoxycarbonyl group, a phenoxycarbonyl group, or a carbamoyl group which may be substituted, and a and b are each independently 0 or 1 or a salt thereof, which has a hair revitalizing action and is useful for hair growth promotion, hair growth stimulation, or hair loss prevention in mammals.
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申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD.;TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
KOBAYASHI, KOJI;WATANABE, MASAZUMI;FUKUNISHI, HIROTADA |