Disclosed is a novel dimethylpropanediol compound of the formula: 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, anda 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.
本发明揭示了一种新型二甲基
丙二醇化合物的公式:其中,R1和R2分别独立地是C1-30烃基,可以被取代,或者是含有1到4个氧、
硫和氮原子的杂环基团,可以被取代;R3是氢原子,可以被取代的烷基、酰基、烷氧羰基、苯氧羰基或者可以被取代的
氨基甲酰基;a和b分别独立地是0或1或其盐,具有促进哺乳动物头发生长、刺激头发生长或预防脱发的作用。