申请人:Nissan Chemical Industries, Ltd.
公开号:US20130267609A1
公开(公告)日:2013-10-10
There is provided a gelator that is capable of forming a gel by an extremely small amount of addition in a wide pH range from acidic to alkaline regions, and a gel having high environmental compatibility, biocompatibility, and biodegradability. A gelator comprising: a lipid peptide of Formula (1) wherein R
1
is a C
9-23
aliphatic group, R
2
is a hydrogen atom or a C
1-4
alkyl group optionally having a C
1-2
branched chain, R
3
is a —(CH
2
)
n
—X group, n is a number from 1 to 4, and X is an amino group, a guanidino group, a —CONH
2
group, or a 5-membered ring optionally having 1 to 3 nitrogen atoms, a 6-membered ring optionally having 1 to 3 nitrogen atoms, or a fused heterocycle including a 5-membered ring and a 6-membered ring that optionally has 1 to 3 nitrogen atoms); or a pharmaceutically usable salt of the lipid peptide.
提供了一种凝胶剂,能够在广泛的酸性到碱性范围内通过极少量的添加形成凝胶,并且具有高环境适应性、生物相容性和生物降解性。该凝胶剂包括:式(1)的脂肽,其中R1是C9-23脂肪基,R2是氢原子或C1-4烷基,可选地具有C1-2支链,R3是—(CH2)n—X基团,n是1到4的数字,X是氨基、鸟氨酸基、—CONH2基团或一个5元环,可选地具有1到3个氮原子,一个6元环,可选地具有1到3个氮原子,或一个融合的杂环,包括一个5元环和一个6元环,可选地具有1到3个氮原子);或该脂肽的药用盐。