摘要:
Oxetanocin derivatives represented by formula: wherein X represents H or or a pharmacologically acceptable salt thereof exhibit an anti-viral activity. Anti-viral compositions comprising the oxetanocin derivatives or their pharmacologically acceptable salts as the effective ingredient are also provided.
摘要:
The present invention provides a novel process for producing oxetanocin G by hydrolysis of alkoxylated 2-amino-oxetanocin A thereby to convert C-NH 2 at the 6-position thereof into C=O. Oxetanocin G is expectedly useful as an antiviral agent.
摘要翻译:本发明提供了通过烷氧基化2-氨基 - 氧杂环丁烷A的水解制备氧杂环丁烷G的新方法,从而将其6位上的C-NH 2转化为@ C = O。 氧新霉素G有望用作抗病毒剂。
摘要:
Novel antibiotics NK374186A, NK374186B, NK374186B3 and NK374186C3 having antibacterial, antineoplastic, immunomodulation, and liver regeneration promoting activities are provided. NK374186A, NK374186B, NK374186B3 and NK374186C3 are obtained by culturing NK374186 strain (FERM P-12285) (FERM-BP 3870) belonging to the genus Penicillium. NK374186A is a compound represented by a rational formula of C 34 H 61 N 12 S 9 and having a molecular weight of M+ 735 (FD-MS m/z); NK374186B is a compound represented by a rational formula of C 34 H 61 N 3 O 9 and having a molecular weight of M + 655 (FD-MS m/z); NK374186B3 is a compound represented by a rational formula of C 34 H 61 N 3 O 9 and having a molecular weight of M + 655 (FD-MS m/z); and NK374186C3 is a compound represented by a rational formula of C 32 H 59 N 3 O 7 and having a molecular weight of M+ 597 (FD-MS m/z).
摘要翻译:提供了新的抗生素NK374186A NK374186B NK374186B3和NK374186C3具有抗菌,抗肿瘤,免疫调节,以及肝脏的再生促销廷活动。 NK374186A NK374186B NK374186B3和NK374186C3通过培养属于青霉属菌株NK374186(FERM P-12285)(FERM BP-3870)中获得。 NK374186A是通过C34H61N3O12S9的合理配方和具有M + 735(FD-MS M / Z)的分子量表示的化合物; NK374186B是通过C34H61N3O9的合理配方和具有M + 655(FD-MS M / Z)的分子量表示的化合物; NK374186B3是通过C34H61N3O9的合理配方和具有M + 655(FD-MS M / Z)的分子量表示的化合物; 和NK374186C3是具有M + 597(FD-MS M / Z)的分子量通过C32H59N3O7的理性式表示的化合物和。
摘要:
The present invention relates to an oxetanocin derivative having an imidazole base group which is represented by the following general formula (A):
wherein R₁ represents a carbamoyl group or a cyano group; R₂ represents an amino group, an acetylene group or a halogen atom; and P represents a hydrogen atom or a protective group. The compound of the present invention, which acts on an immune system, is useful as an active ingredient of an immunosuppressant. Further, useful intermediates of this compound are disclosed.
摘要翻译:本发明涉及具有由下述通式(A)表示的咪唑碱基的氧杂环丁烷(oxetanocin)衍生物:其中R 1表示氨基甲酰基或氰基; R 2代表氨基,乙炔基或卤素原子; P代表氢原子或保护基。 作用于免疫系统的本发明化合物可用作免疫抑制剂的活性成分。 此外,公开了该化合物的有用中间体。
摘要:
The present invention provides a novel process for producing oxetanocin G by hydrolysis of alkoxylated 2-amino-oxetanocin A thereby to convert C-NH 2 at the 6-position thereof into C=O. Oxetanocin G is expectedly useful as an antiviral agent.
摘要:
This invention relates to an antibiotic NK130119 of the formula: which exhibits antifungal, antitumor, vascularizations-inhibitory and insecticidal activities.
摘要:
This invention relates to oxetanocin-related compounds represented by the following formula (I): [in formula (I), R 1 , Y and B have the following meanings:
(a) R 1 represents -CH 2 0H or -CN 2 OCO-(alkyl), (b) Y represents provided that R 2 is -H, -OH or -CHzOH and R 3 is -H, -OH, halogen atom, -CH 2 OH, lower alkyl group, -CH z -N 3 , -CH 2 -F, -N 3 , -COOH, -NH 2 , -CH 2 OSO 3 H or -CH 2 OCO-(lower alkyl), and (c) B represents a residue of purine base, (d) provided that R 1 and R 3 cannot simultaneously represente -CH 2 OH]
and their salts which have activities such as an antiviral activity and the like and are expectedly useful as a pharmaceutical and the like.
摘要:
Novel antibiotics NK374186A, NK374186B, NK374186B3 and NK374186C3 having antibacterial, antineoplastic, immunomodulation, and liver regeneration promoting activities are provided. NK374186A, NK374186B, NK374186B3 and NK374186C3 are obtained by culturing NK374186 strain (FERM P-12285) (FERM-BP 3870) belonging to the genus Penicillium. NK374186A is a compound represented by a rational formula of C34H61N3O12S9 and having a molecular weight of M+ 735 (FD-MS m/z); NK374186B is a compound represented by a rational formula of C34H61N3O9 and having a molecular weight of M+ 655 (FD-MS m/z); NK374186B3 is a compound represented by a rational formula of C34H61N3O9 and having a molecular weight of M+ 655 (FD-MS m/z); and NK374186C3 is a compound represented by a rational formula of C32H59N3O7 and having a molecular weight of M+ 597 (FD-MS m/z).
摘要:
The present invention relates to phosphoric acid esters of oxetanocins having an antiviral activity which are represented by general formula (I): wherein R, represents a phosphoric acid ester residue, X represents hydrogen, hydroxy or hydroxymethyl group, and B represents a purine base residue, and pharmacologically acceptable salts thereof.