Enduracidin derivatives
阅读：82发布：2022-04-19
专利汇可以提供Enduracidin derivatives专利检索，专利查询，专利分析的服务。并且Enduracidin derivatives which have anti-microbial activity are produced by catalytic reduction of Enduracidin or a salt thereof.，下面是Enduracidin derivatives专利的具体信息内容。
2. its specific rotation is ( Alpha )D26 + 82.8* (C 1.0, 70 percent methanol),
2. The compound as claimed in claim 1, wherein the acid is selected from the group consisting of formic, acetic, propionic, aspartic, glutamic, hydrochloric and nitric acids.
3. The Enduracidin reduction product as claimed in claim 2, in the form of the hydrochloride.
3. Rf values obtained in paper partition chromatography are as follows: Solvents Rf value Acetic acid: n-Butanol: 0.45 + or - 0.1 Water (1:4:5) n-Butanol saturated with 0.0 water Pyridine: n-Butanol: 0.80 + or - 0.1 Water (3:4:7)
4. its significant maximum-absorptions in ultraviolet spectrum are as foLlows: lambda maxN/10 HCl 230 m Mu ( epsilon 1cm1% 201) 276 m Mu ( epsilon 1cm1% 32.4) 282 m Mu ( epsilon 1cm1% 30.9) lambda maxN/10 NaOh 250 m Mu ( epsilon 1cm1% 289) 293 m Mu ( epsilon 1cm1% 68)
4. The Enduracidin reduction product as claimed in claim 2, in the form of the acetate.
5. its significant absorptions in Infrared spectrum (potassium bromide dish) are as follows: 3.02 (strong) 3.25 (shoulder) 3.38 (shoulder) 3.45 (strong) 5.75 (shoulder) 5.95 (shoulder) 6.09 (strong) 6.23 (shoulder) 6.47 (shoulder) 6.55 (shoulder) 6.61 (strong) 6.95 (shoulder) 7.25 (middle) 8.16 (broad, strong) 8.51 (middle) 9.89 (middle) 10.40 (weak) 11.93 (middle) 12.30 (weak)
6. its solubilities are as follows: Slightly soluble in water; soluble in aqueous methanol, aqueous acetone, aqueous acetic acid, dimethylformamide, pyridine and dioxane; insoluble in acetone, ethyl acetate, ether, chloroform.
7. its color reactions are as follows: Reagent Result Ninhydrin reagent positive (pale-brownish violet) Barton''s reagent (a mixture of equal volume of 1% aqueous ferric positive (pale-blue) chloride and 1% aqueous potassium ferricyanate) Dragenorff reagent positive (orangish-yellow) Alkaline potassium discoloration permanganate occurs (reduction)
8. its elementary analysis is C 52.5 + or - 0.5, H 6.22 + or - 0.3, N 14.21 + or - 0.3 and Cl 4.51 + or - 0.3.
9. its LD50 value in mice is 350 mg/Kg. (intravenous injection) and 1 g/Kg. (intraperitoneal injection).
10. it shows antimicrobial activity against gram-positive bacteria and phytopathogenic bacteria and no cross-resistance with tetracycline, chloramphenicol, erythromycin, cephaloridine, oleandmycin, kanamycin, streptomycin, penicillin-G, aminobenzyl-penicillin and neomycin.
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