Method for treating and preventing bacterial infections
    1.
    发明授权
    Method for treating and preventing bacterial infections 失效
    治疗和预防细菌感染的方法

    公开(公告)号:US4382080A

    公开(公告)日:1983-05-03

    申请号:US262244

    申请日:1981-05-11

    CPC分类号: C07K9/005

    摘要: A method for treating and preventing bacterial infections which comprises administering a 6-O-acylmuramyl depeptide of the formula: ##STR1## wherein X represents a divalent residual group of an amino acid such as L-alanine, L-serine, L-valine, etc., Y represents a residual group of a middle to higher fatty acid having 10 to 60 carbon atoms and isoGln represents a residual group of isoglutamine, or a pharmaceutical composition containing a 6-O-acylmuramyl dipeptide of the formula(I) as an active ingredient to a patient afflicted therewith.

    摘要翻译: 一种用于治疗和预防细菌感染的方法,其包括给予下式的6-O-酰基木瓜酰基多肽:其中X表示氨基酸的二价残基,例如L-丙氨酸,L-丝氨酸,L-缬氨酸, Y表示具有10〜60个碳原子的中等〜高级脂肪酸的残基,isoGln表示残留的异谷氨酰胺胺基,或含有式(I)的6-O-酰基月桂酰二肽作为 对患有其的患者的活性成分。

    Sulfated polysaccharide DS4152
    2.
    发明授权
    Sulfated polysaccharide DS4152 失效
    硫酸多糖DS4152

    公开(公告)号:US4900815A

    公开(公告)日:1990-02-13

    申请号:US51754

    申请日:1987-05-20

    摘要: A sulfated polysaccharide DS4152 useful as an angiogenesis inhibitor or antitumor agent is provided selectively. As the sodium salt, it has the following physicochemical characteristics. Molecular weight by the gel filtration method: 29,000.+-.3,000. Elemental analysis: C: 24.42-25.76%, H: 3.34-3.98%, N: 0.51-0.89%, S: 10.6-11.7% and P: 0.77-1.06%. Sugar and protein contents: Sugar content (%): 57.+-.3 (by phenol sulfuric acid method; standard: galactose). Protein content (%): 1.+-.0.5 (by the Lowry-Folin's method; standard: bovine serum albumin). Specific rotatory power [.alpha.].sub.D.sup.25 : -37.degree..+-.1.degree. (0.5% aq. solution). Characteristic absorption bands in infrared absorption spectrum: 1240, 840 (shoulder), 810 (cm.sup.-1 ; KBr).

    摘要翻译: 可以选择性地提供可用作血管生成抑制剂或抗肿瘤剂的硫酸化多糖DS4152。 作为钠盐,具有以下物理化学特性。 分子量通过凝胶过滤法:29,000 +/- 3,000。 元素分析:C:24.42-25.76%,H:3.34-3.98%,N:0.51-0.89%,S:10.6-11.7%,P:0.77-1.06%。 糖和蛋白质含量:糖含量(%):57 +/- 3(通过苯酚硫酸法;标准:半乳糖)。 蛋白质含量(%):1 +/- 0.5(Lowry-Folin法;标准品:牛血清白蛋白)。 比旋光度αD25:-37°+/- 1°(0.5%水溶液)。 红外吸收光谱中的特征吸收带:1240,840(肩),810(cm-1; KBr)。

    Muramyldipeptide derivatives
    3.
    发明授权
    Muramyldipeptide derivatives 失效
    胞壁酰二肽衍生物

    公开(公告)号:US4317771A

    公开(公告)日:1982-03-02

    申请号:US162233

    申请日:1980-06-23

    CPC分类号: C07K9/005

    摘要: Muramyldipeptide derivatives of the formula (I): ##STR1## wherein X represents an amino acid residue such as of L-alanine, L-serine, L-valine, glycine, etc., and Y represents a group ##STR2## wherein R.sub.1 represents a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, a carboxamide group or a carboxyl group, n represents an integer of 1 to 6, A represents a straight or branched chain, saturated or unsaturated aliphatic hydrocarbon residue of 7 to 30 carbon atoms, and "Acyl" means an acyl group of an aliphatic carboxylic acid having 2 to 6 carbon atoms. These compounds have excellent adjuvant activity and/or prophylactic and therapeutic effects against microbial infections.

    摘要翻译: 式(I)的乳糖基二肽衍生物:其中X表示L-丙氨酸,L-丝氨酸,L-缬氨酸,甘氨酸等氨基酸残基,Y表示基团 其中R1表示氢原子,1〜6个碳原子的烷基,羧酰胺基或羧基,n表示1〜6的整数,A表示7或6的直链或支链饱和或不饱和脂肪族烃残基 30个碳原子,“酰基”是指碳原子数2〜6的脂肪族羧酸的酰基。 这些化合物具有优异的佐剂活性和/或对微生物感染的预防和治疗作用。