WO1993012800A1 - An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant - Google Patents

An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant Download PDF

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Publication number
WO1993012800A1
WO1993012800A1 PCT/US1987/003095 US8703095W WO9312800A1 WO 1993012800 A1 WO1993012800 A1 WO 1993012800A1 US 8703095 W US8703095 W US 8703095W WO 9312800 A1 WO9312800 A1 WO 9312800A1
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Prior art keywords
compound
growth
poultry
feed
culture
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PCT/US1987/003095
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English (en)
French (fr)
Inventor
John P. Dirlam
Walter P. Cullen
Hiroshi Maeda
Junsuke Tone
Original Assignee
Dirlam John P
Cullen Walter P
Hiroshi Maeda
Junsuke Tone
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dirlam John P, Cullen Walter P, Hiroshi Maeda, Junsuke Tone filed Critical Dirlam John P
Priority to PCT/US1987/003095 priority Critical patent/WO1993012800A1/en
Priority to US07/487,947 priority patent/US5147858A/en
Priority to AT88310717T priority patent/ATE91687T1/de
Priority to EP88310717A priority patent/EP0317231B1/en
Priority to DE88310717T priority patent/DE3882490T2/de
Priority to ES88310717T priority patent/ES2058310T3/es
Priority to IE346488A priority patent/IE61964B1/en
Priority to DK644288A priority patent/DK644288A/da
Priority to PT89032A priority patent/PT89032B/pt
Priority to JP63294472A priority patent/JPH01165392A/ja
Publication of WO1993012800A1 publication Critical patent/WO1993012800A1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/01—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing oxygen
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/195—Antibiotics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00—Antiparasitic agents
    • A61P33/02—Antiprotozoals, e.g. for leishmaniasis, trichomoniasis, toxoplasmosis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/8215—Microorganisms
    • Y10S435/822—Microorganisms using bacteria or actinomycetales
    • Y10S435/825—Actinomadura

Definitions

  • the present invention concerns a new acidic polycyclic ether antibiotic having the absolute stereo- chemical formula
  • the compound (I) is a new member of the acidic polycyclic ether group of antibiotics.
  • This family includes such well known agents as monensin (The Merck Index, 10th Ed., Merck and Co.,Inc., Rahway, N.J., 1983, monograph no. 6100) , nigericin (loc. cit. , monograph no. 6390) , narasin (loc. cit. , monograph no. 6271) , lasalocid (loc. cit. , monograph no. 5204) , and salino ycin (loc. cit. , monograph no. 8193) .
  • the subject has been reviewed by Westley, "Polyether Antibiotics", Adv. Appl. Microbiol. , vol. 2_2_, pp. g 177-223 (1977) .
  • These compounds are generally known as coccidiostats and/or as feed additive-growth promotants.
  • the present invention is directed to said compound of the formula (I) , including the pharmaceutically- acceptable cationic salts thereof, and to a process for its preparation which comprises fermentation of said Actinomadura sp. ATCC 53676 in an aqueous nutrient medium comprising an assimilable source of carbon and nitrogen until a recoverable amount of said compound of the formula (I) is formed, preferably under submerged aerobic conditions.
  • the compound (I) is not necessarily separated from the fermentation and isolated in substantially pure form, but is alternatively used in crude form, either in precipitated form admixed with mycelium (recovered by filtration of the fermentation medium) , or in solids obtained by spray- or freeze-drying the entire fermentation medium.
  • Said pharmaceutically-acceptable cationic salts include, but are not limited to, those of sodium, potassium, calcium, ammonia, N,N'-dibenzylethylene- dia ine, N-methylglucamine (meglumine) and diethanol- amine.
  • the preferred cationic salts are those of potassium and sodium.
  • the present invention is also directed to nutrient feed compositions, one for cattle or swine which com- prises the compound of the formula (I) in an amount effective to promote growth and/or improve the feed utilization of said cattle or swine, and the other for poultry which comprises the compound of the formula (I) in an amount effective to control coccidial infection in said poultry.
  • the present invention is further directed to a method for promoting growth and/or increasing the efficiency of feed utilization in swine or cattle which comprises administering to said swine or cattle a growth promoting or feed-utilization efficiency promoting amount of the compound of the formula (I) , particularly in the form of a nutrient feed composition; and to a method for controlling coccidial infections in poultry which comprises administering to said poultry an anticoccidially effective amount of the compound of the formula (I) , particularly in the form of a nutrient feed composition.
  • the present invention is directed to a biologically pure culture of Actinomadura sp. ATCC 53676, said culture being capable of producing the compound of the formula (I) in a recoverable quantity upon fermentation in an aqueous nutrient medium comprising assimilable sources of carbon and nitrogen; including said culture in freeze-dried form.
  • the culture capable of producing the present polycyclic ether antibiotic of the formula (I) is designated Actinomadura sp., and has been deposited in The American Type Culture Collection, Rockville, Maryland as the type culture under their accession number ATCC 53676.
  • This novel culture was derived from a soil sample collected in Hongo Town, Toyama City, Toyama Prefecture, Japan, and identified in the culture collection of Pfizer Inc. as * N742-34. Its description and classification were provided by Dr. L. H. Huang. This culture was found to produce narrow dimensions of the hyphae of the actinomycetes, an aerial mycelium upon which spore chains are produced, and an unfragme ted substrate mycelium. The results of the whole cell analyses further indicate that it belongs to the genus Actinomadura.
  • a slant culture of the microorganism was planted into ATCC 172 broth and grown for four days at 28°C. on a shaker. It was then centrifuged for 20 minutes, washed three times with sterile distilled water, and planted on media commonly used for identification of members of the Actinomycetales. The cultures were incubated at 28°C. and the result read at varying times, but most commonly at fourteen days.
  • the colors were described in common terminology, but exact colors were determined by comparisons with color chips from The Color Harmony Manual, fourth edition. The methods of whole-cell amino acid and sugar analyses are those described in Becker et al., Appl. Microbiol. , vol. 12, pp.
  • Oatmeal Agar (ISP #3 medium, Difco) - Growth moderate, pale greenish yellow (1
  • Inorganic Salts-Starch Agar (ISP #4 medium, Difco) - Growth poor, pale green-yellow (Is ea, 1 ea) , thin, smooth, aerial mycelium none or sparse, colorless; reverse same as surface; no soluble pigment.
  • Glycerol-Asparagine Agar (ISP #5 medium, Difco) - Growth poor to moderate, pale pink (3 ca) ; thin to slightly raised; aerial mycelium none to sparse, colorless; reverse pale pink (3 ca) ; no soluble pigment.
  • Glucose-Asparagine Agar ibid. , medium #2
  • Glucose-Asparagine Agar ibid. , medium #2
  • off-white cream, yellowish to yellowish brown (2 ca, 2 lc, 3 lc)
  • slightly raised, smooth, aerial mycelium off-white reverse yellowish to yellowish brown (2 ga, 3 lc)
  • soluble pigment pale yellowish (2 ea) .
  • Emerson's Agar ibid., medium #28, p. 331) - Growth good, yellowish gray (2 ie, 2 lg, 2 ni) , raised, wrinkled; aerial mycelium pale gray (near gray series 3 dc) ; reverse yellowish gray to greenish gray (2 ng, li ng) ; soluble pigment yellowish brown (3 ne) .
  • Nutrient Agar ibid., medium #14, p. 330
  • medium #14, p. 330 Growth poor to moderate, yellowish brown to brown (3 lc, 3 ic, 3 le) , slightly raised, smooth but granular in some areas, confluent or appearing as isolated colonies; no aerial mycelium; reverse yellowish brown (3 lc) ; no soluble pigment.
  • Gelatin Agar (Gordon and Mihm, J. Bacteriol. 73, 15-27, 1957) - Growth moderate, ' brown (3 nc, 3 le) ; moderately raised, smooth but wrinkled toward end of streak, no aerial mycelium; reverse brown (3 le) ; no soluble pigment.
  • Starch Agar ibid.
  • Starch Agar ibid.
  • - Growth moderate, brown (3 ne) ; moderately raised, smooth but wrinkled toward edge; aerial mycelium none to sparse, colorless; reverse brown (3 ie) ; no soluble pigment.
  • Potato Carrot Agar (Lechevalier, Lab. Clin. Med. , 71, 934-944, 1968, but use only 30 g. potatoes, 2.5 g. carrots and 20 g. agar) - Growth poor to moderate, cream (li ca) ; thin to slightly raised, smooth, aerial mycelium sparse, colorless; reverse colorless to cream (li ca) ; no soluble pigment.
  • Tap Water Agar (2%) - Growth poor, colorless to cream (2 ca) ; thin, smooth, aerial mycelium sparse, colorless; reverse colorless; no soluble pigment.
  • Gauze's Mineral Medium 1 (Gauze et al. , Problems in the Classification of Antagonistic A.ctinomycetes, English Ed., p.
  • spore chains After seven weeks of incubation on this medium, a few small patches of spore chains were produced. They were short with 3 to 9 spores per spore chain and were straight, flexuous, curved to hooked. The spores were globose, oval to elliptical and measured 0.9-1.3 ⁇ m diam. or 1.0-1.6 x 0.8-1.1 ;um. They were warty as revealed by scanning electron microscopy. In addition to the spores, the culture also produced brown to dark brown hyphal masses on glucose-asparagine agar, Bennett's agar, yeast extract-malt extract agar, inorganic salts-starch agar, and glycerol-asparagine agar.
  • Carbohydrate utilization glucose, rhamnose, sucrose, starch and trehalose utilized; arabinose, fructose, inositol, mannitol, raffinose, xylose, adonitol, cellobiose, dulcitol, erythritol, galactose, glycerol, lactose, maltose, mannose, melezitose, melibiose, alpha-methyl- D-glucoside, ribose, salicin, sorbitol and sorbose not utilized.
  • the other positive tests included utilization of acetate, propionate and pyruvate.
  • the following tests were negative: decomposition of adenine, xanthine, hypoxanthine, and urease; hydrolysis of esculin and hippurate; and resistance to lysozyme.
  • the whole-cell hydrolysates contained meso-diaminopimelic acid, glucose, galactose, madurose and ribose.
  • the culture N742-34 is characterized by the white to pale gray aerial mycelium; the green-yellow, yellow-brown to brown substrate mycelium; the short straight to flexuous spore chains; and the spores with a warty surface.
  • the presence in the whole-cell hydrolysates of meso-diaminopimelic acid and madurose further indicates its belonging in the genus Actinomadura.
  • Actinomadura five resemble culture N742-34 in morphological and/or biochemical properties: A.
  • citrea A. cremea, A. flava, A. livida, and A. macra. Both A. citrea and A. flava produce a lemon-yellow substrate mycelium, as does culture N742-34.
  • A. flava produces long spore chains and spores with a smooth surface whereas culture N742-34 forms short spore chains and spores with a warty surface.
  • A. citrea utilizes arabinose, xylose, mannitol and fructose.
  • A. livida forms spore chains in the form of hooks or spirals with a single turn, whereas culture N742-34 forms straight or flexuous spore chains.
  • On oatmeal agar and Gauze #1 mineral medium A. livida forms a pale violet soluble pigment, but culture N742-34 forms a cream soluble pigment.
  • A. cremea differs from culture N742-34 in positive utilization of arabinose, fructose, mannitol, xylose, adonitol, glycerol, lactate and succinate; negative utilization of sucrose and starch; and decomposition of esculin.
  • A. macra is closely similar to culture N742-34 in most of the biochemical properties. A few differences were noted. Unlike the former, the latter utilizes rhamnose and starch, h drolyzes starch, coagulates milk, and decomposes casein. In addition, culture N742-34 produces mostly a yellow-green, yellow-brown or brown substrate mycelium and spores with a warty surface; whereas A. macra produces mostly a cream or gray substrate mycelium and spores with a smooth surface.
  • culture N742-34 is considered as a member of the genus Actinomadura and designated Actinomadura sp. It is the type of strain of Actinomadura sp. and has been deposited at the American Type Culture Collection under the assession number 53676.
  • the antibiotic compound (I) of the present invention is readily produced by the Actinomadura culture by growing at from about 24° to about 36°C. under submerged conditions with agitation and aeration on media consisting of carbohydrate sources such as sugars, starches, glycerol; organic nitrogen substances such as soybean meal, casamino acids, yeast extract; growth substance such as grain solubles, fish meal, cotton seed meal; mineral salts containing trace elements such as iron, cobalt, copper, zinc, etc. and calcium carbonate or phosphates as buffering agents.
  • carbohydrate sources such as sugars, starches, glycerol
  • organic nitrogen substances such as soybean meal, casamino acids, yeast extract
  • growth substance such as grain solubles, fish meal, cotton seed meal
  • mineral salts containing trace elements such as iron, cobalt, copper, zinc, etc. and calcium carbonate or phosphates as buffering agents.
  • the antibiotic is readily recovered by extracting the whole broth with an organic solvent such as n-butanol, methylisobutyl ketone, or chloroform at pH ranges from 4.0 to 8.0; by filtering off the mycelium, which contains the precipitated antibiotic, the filtrate being discarded; or by simply spray-drying or freeze-drying the whole broth.
  • the mycelium or the whole dried broth is extracted with one of said organic solvents.
  • the purified antibiotic compound if that is desired, is isolated from the organic extract by standard methods of concentration, salt or free acid formation, chroma ography, precipitation and/or crystallization, as exemplified below.
  • an inoculum is first prepared by scraping vegetative cells, growing on a suitable media, from slants or Roux bottles which have been inoculated with Actinomadura sp. ATCC 53676.
  • the resulting vegetative cells are in turn used to inoculate shake flasks or inoculum tanks, also containing suitable growth media.
  • the inoculum tanks are inoculated from the shake flasks.
  • the fermentor also containing suitable growth media, is inoculated with vegetative broth from the shake flasks or inoculum tanks.
  • the antibiotic compound is recovered in crude or pure form, as desired, by one or another of the methods generally described above, or by specific methods which are exemplified below.
  • the compound of the formula (I) is tested for in vitro antibacterial activity by standard methods in which the minimum inhibitory concentrations (MIC r s) in mcg/ml against one or more microorganisms is measured.
  • MIC r s minimum inhibitory concentrations
  • One such procedure is the one recommended by the International Collaborative Study on Antibiotic Sensi ⁇ tivity Testing (Ericcson and Sherris, Acta. Pathologica et Microbiologia Scandinav, Supp. 217, Section Br 64-68 [1971] ) , and employs brain heart infusion (BHI) agar and an inocula replicating device.
  • BHI brain heart infusion
  • Overnight growth tubes are diluted . 100 fold for use as the standard inoculum (20,000-10,000 cells in approximately 0.002 ml.
  • the present compound of the formula (I) typically shows Gram positive antibacterial activity, as well as activity against Treponema hyodysenteriae, as illustrated in Table (I) . TABLE I
  • Efficacy data for the compound of the formula (I) • and its salts against coccidial infections in chickens is obtained by the following method.
  • Groups of 3-5 ten-day old pathogen free white leghorn cockerel chicks are fed a mash diet containing the compound (I) or its sodium and/or potassium salt uniformly dispersed therein. After being on this ration for 24 hours each chick is inoculated per os with oocysts of the particu ⁇ lar species of Eimeria being tested.
  • Other groups of 3-5 ten-day old chicks are fed a similar mash diet without compound (I) or its salts. They are also infected after 24 hours and serve as infected controls.
  • the criteria used to measure anticoccidial activity consists of lesion scores of 0 to 4 for E . tenella after J. E. Lynch, "A New Method of the Primary Evaluation of Anticoccidial Activity” , Am. J_. Vet. Res. , 22, 324-326, 1961; and 0 to 3 for the other species based on modification of the scoring system devised by J. Johnson and W. H. Reid, "Anticoccidial Drugs. Lesion Scoring Techniques in Battery and Floor Pen Experiments in Chicks", Exp. Parasit. , 2%_, 30-36, 1970. Activity is measured by dividing the lesion score of each treated group by the lesion score of the infected control.
  • the compound (I) and its cationic salts exhibit excellent activity against Eimeria tenella, E_. acervulina, E_. maxima, E_. brunetti and E. necatrix infections in poultry when incorporated into the mash diet of chickens at levels of about 2.5 to 50 ppm.
  • the compound of this invention is orally administered to poultry in a suitable carrier.
  • the medication is simply carried in the drinking water or in the poultry feed, so that a therapeutic dosage of the agent is ingested with the daily water or poultry ration.
  • the agent can be directly metered into drinking water, preferably in the form of a liquid, water-soluble concentrate, or added directly to the feed as such, or in the form of a premix or concentrate.
  • a premix or concentrate of therapeutic agent in a carrier is commonly employed for the inclusion of the agent in the feed.
  • the therapeutic agent can be in substantially pure form (e.g., the free acid, or a pharmaceutically-acceptable salt thereof) , in assayed crude form such as wet or dry mycelium or dried whole broth.
  • Suitable carriers are liquid or solid, as desired, such as water, various meals; for example, soybean oil meal, linseed oil meal, corncob meal, and mineral mixes such as are commonly employed in poultry feeds.
  • a particularly effective carrier is the poultry feed itself; that is, a small portion of poultry feed.
  • the carrier facilitates uniform distribution of the active materials in the finished feed with which the premix is blended. This is important because only small proportions of the present potent agents are required. It is important that the compound be thoroughly blended into the premix and, subsequently, the feed.
  • the agent may be dispersed or dissolved in a suitable oily vehicle such as soybean oil, corn oil, cottonseed oil, and the like, or in a volatile organic solvent and then blended with the carrier.
  • a suitable oily vehicle such as soybean oil, corn oil, cottonseed oil, and the like
  • the proportions of active material in the concentrate are capable of wide variation since the amount of agent in the finished feed may.be adjusted by blending the appropriate proportion of premix with the feed to obtain a desired level of therapeutic agent.
  • High potency concentrates are blended by the feed manufacturer with proteinaceous carrier such as soybean oil meal and other meals, as described above, to produce concentrated supplements which are suitable for direct feeding to poultry.
  • proteinaceous carrier such as soybean oil meal and other meals, as described above
  • concentrated supplements are added directly to the poultry feed to product a nutritionally balanced, finished feed containing a therapeutically effective level of one or more of the compounds of this invention.
  • the mixtures are thoroughly blended by standard procedures, such as in a twin shell blender, to ensure homogeneity.
  • the use levels of the compound described herein will vary under different circum ⁇ stances. Continuous low-level medication, during the growing period; that is, during the first 5 to 12 weeks for chickens, is an effective prophylatic measure. In the treatment of established infections, higher levels may be necessary to overcome the infection.
  • the use level of the compound (I) in feed will generally be in the range of about 2.5 to 50 ppm, preferably in the range of about 2.5 to 12.5 ppm. When administered in drinking water, the level which will be that which will provide the same daily dose of medication factored by the weight ratio of the average daily consumption of feed to the average daily consumption of water.
  • the activity of the compound of the formula (I) and its salts in promotion growth and/or increasing the efficiency of food utilization in swine or cattle can be measured directly by feeding test groups of animals various levels of the compound (I) or a salt in feed.
  • a more convenient technique is described in British Patent Specification No. 1,197,826, which details an _in vitro rumen method for the evaluation of feeds.
  • the changes occurring in feed, brought about by microorganisms, are thereby readily measured with great accuracy.
  • This technique involves the use of an apparatus in which the digestive processes of the animals are conducted and studied in vitro.
  • the animal feeds, rumen inoculum and various growth promotants are introduced into and withdrawn from a laboratory unit under carefully controlled conditions and the changes taking place a.
  • rumen fluid is collected from a fistulated cow which is fed on a commercial fattening ration plus hay.
  • the rumen fluid is immediately filtered through cheese cloth, and 10 ml. added to a 50 ml. conical flask containing 400 mg. of standard substrate (68% corn starch + 17% cellulose + 15% extracted soybean meal) , 10 ml. of a pH 6.8 buffer and the test compound.
  • the flasks are gassed with oxygen free nitrogen for about two minutes, and incubated in a shaking water bath at 39°C. for about 16 hours. All tests are conducted in triplicate. After incubation, 5 ml. of the sample is mixed with 1 ml. of 25% meta- phosphoric acid.
  • the compound of the formula (I) or a salt is preferably administered as a feed additive.
  • the use level of the compound (I) in cattle or swine feed will generally be in the range of about 0.25 to 50 ppm.
  • the compound of the formula (I) can also be orally adminis ⁇ tered in the form of a bolus which is retained in the rumenoreticular sac, releasing the therapeutic agent at a substantially constant rate over a prolonged period of time, e.g., 4-8 weeks, providing a dose equivalent to that of the above daily dose in feed, i.e.: Caverage daily dose ⁇ in milligrams /
  • the Actinomadrua sp. was initially grown by inoculating solid media on slants or Roux bottles with the ATCC 53676 culture, using ATCC medium No. 172, prepared and having composition as follows.
  • shake flasks were prepared using one or the other of the following media:
  • One hundred ml of medium was distributed into 300 ml shake flasks and sterilized at 120°C. and 15 p.s.i. for 30 minutes. After cooling, the medium was inoculated with a vegetative cell suspension scraped from the above Actinomadura sp. slant culture. The flasks were shaken at 28°C. on a shaker having a displacement of 1.5 to 2.5 inches and 150 to 200 cycles per minute (CPM) for five to seven days.
  • CPM cycles per minute
  • An antifoaming agent polypropyleneglycol, P2000, containing 10% ethylene oxide by weight, 1 ml was added, and the vessels were sealed and sterilized at 120°C. and 15 p.s.i. for 45 minutes. The vessels were then inoculated with one shake flask (ca 3% inoculum) , fermented for 120 to 168 hours at 30°C. , stirring at 1700 revolutions per minute (RPM) with an air rate of one volume of air per volume of liquid per minute.
  • P2000 polypropyleneglycol, P2000, containing 10% ethylene oxide by weight, 1 ml
  • the fermenters were stopped and filtered at the natural pH with the aid of a diatomaceous earth.
  • the filter cake was slurried in methanol, concentrated iii vacuo, diluted with 2-3 volumes of water then extracted 2X with 1/3 to 1/2 volume of either methylisobutyl ketone or n-butanol.
  • the solvent layer was separated from the aqueous phase by aspiration or centrifugation, sparkled and concentrated in vacuo to yield the antibiotic of the formula (I) in crude form as a viscous oil.
  • the bioactivity of the broth and subsequent recovery streams can be followed by using a sensitive strain of Bacillus subtilis ATCC 6633 or Staphylococcus aureus ATCC 6538.
  • the components in the broth and recovery streams can be visualized by using Analtech silica gel GF plates employing ethyl acetate as eluant.
  • the developed plates are sprayed with vanillin reagent (3 g vanillin in 75 ml ethanol and 25 ml 85% phosphoric acid) and heated to 80°C.
  • the antibiotic product of the formula (I) appears as a red spot.
  • the developed tic plate can also be overlayed with agar seeded with either S_. aureus or B_.
  • subtilis to which 2,3,5- triphenyl-2H-tetrazolium chloride monohydrate has been added and incubated at 37°C. for 16 hours to visualize the antibiotic (white spots against a pink background) .
  • Scale-up in large fermentors was carried out by preparing shake flasks containing 0.7 liters of C or JDYTT medium. The shake flask inoculum was fermented for 5 to 7 days at 28°C. , and used to inoculate a 200 liter fermentation vessel containing 100 liters of UK1-2 medium. Approximately one liter of inoculum was used in the tank. The fermentation, after proceeding for 7 to 10 days, was harvested.
  • Fractions containing the desired product were concentrated in vacuo, diluted up in ethyl acetate, treated with activated carbon and filtered. The filtered solvent was shaken first with phosphoric acid, then sodium phosphate dibasic buffer to form the sodium salt. After drying over sodium sulphate, the solvent was concentrated and the antibiotic crystallized upon the addition of heptane to afford 950 mg of a white solid. Further purification was accomplished by flash chromatography using a column of 100 g of silica gel, 32-63 microns, and employing a gradient of 95:5 to

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PCT/US1987/003095 1987-11-20 1987-11-20 An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant WO1993012800A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PCT/US1987/003095 WO1993012800A1 (en) 1987-11-20 1987-11-20 An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
US07/487,947 US5147858A (en) 1987-11-20 1987-11-20 Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
AT88310717T ATE91687T1 (de) 1987-11-20 1988-11-14 Saurer polyzyklischer aether, verwendbar als anticoccidiosemittel und als wachstumsfoerderndes mittel.
EP88310717A EP0317231B1 (en) 1987-11-20 1988-11-14 An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
DE88310717T DE3882490T2 (de) 1987-11-20 1988-11-14 Saurer polyzyklischer Äther, verwendbar als Anticoccidiosemittel und als wachstumsförderndes Mittel.
ES88310717T ES2058310T3 (es) 1987-11-20 1988-11-14 Un eter policiclico acido util como agente anticoccidiano y como promotor del crecimiento.
IE346488A IE61964B1 (en) 1987-11-20 1988-11-18 An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
DK644288A DK644288A (da) 1987-11-20 1988-11-18 Sur polycyclisk ether og fremgangsmaade til fremstilling deraf, foderblandinger indeholdende denne til fjerkrae, kvaeg eller svin, fremgangsmaader til bekaempelse af coccidiose hos fjerkrae og til fremme af vaeksten hos kvaeg eller svin samt mikroorganismekultur, som producerer forbindelsen
PT89032A PT89032B (pt) 1987-11-20 1988-11-18 Processo para a preparacao de um eter policiclico acidico util como agente anticoccidico e como promotor de crescimento
JP63294472A JPH01165392A (ja) 1987-11-20 1988-11-21 抗胞子虫症剤および成長促進剤として有益な酸性多環エーテル

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PCT/US1987/003095 WO1993012800A1 (en) 1987-11-20 1987-11-20 An acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant

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US (1) US5147858A (en, 2012)
EP (1) EP0317231B1 (en, 2012)
JP (1) JPH01165392A (en, 2012)
AT (1) ATE91687T1 (en, 2012)
DE (1) DE3882490T2 (en, 2012)
DK (1) DK644288A (en, 2012)
ES (1) ES2058310T3 (en, 2012)
IE (1) IE61964B1 (en, 2012)
PT (1) PT89032B (en, 2012)
WO (1) WO1993012800A1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3539549A1 (fr) 2018-03-12 2019-09-18 Adisseo France S.A.S. Additif alimentaire à base de saponines pour le traitement de la coccidiose

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5298524A (en) * 1988-06-09 1994-03-29 Pfizer Inc. Acidic polycyclic ether antibiotic having an anticoccidial and growth promotant activity
US5043353A (en) * 1989-10-10 1991-08-27 Eli Lilly And Company A80789 polyether antibiotic
US5242814A (en) * 1989-10-10 1993-09-07 Eli Lilly And Company Polyether antibiotic
CA2091567A1 (en) * 1990-10-04 1992-04-05 Walter P. Cullen Acidic polycyclic ether antibiotic
EP0558525B1 (en) * 1990-11-16 1994-12-28 Pfizer Inc. Semduramicin premix

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148882A (en) * 1977-06-24 1979-04-10 Pfizer Inc. Polycyclic ether antibiotics produced by new species of actinomycete
US4195079A (en) * 1979-01-31 1980-03-25 Pfizer Inc. New polycyclic ether antibiotic
EP0169011A2 (en) * 1984-07-12 1986-01-22 Pfizer Limited New polycyclic ether antibiotics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH579147A5 (en) * 1973-03-09 1976-08-31 Sandoz Ag Antiparasitic streptomyces hygroscopicus metabolite - i.e. septamycine, as antibacterials, antiprotozoals, anthelminthics and coccidiostats
AR206353A1 (es) * 1974-08-09 1976-07-15 Pfizer Un procedimiento para producir el compuesto 38295 antibiotico
JPS577492A (en) * 1980-06-13 1982-01-14 Shionogi & Co Ltd K-41 derivative

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148882A (en) * 1977-06-24 1979-04-10 Pfizer Inc. Polycyclic ether antibiotics produced by new species of actinomycete
US4195079A (en) * 1979-01-31 1980-03-25 Pfizer Inc. New polycyclic ether antibiotic
EP0169011A2 (en) * 1984-07-12 1986-01-22 Pfizer Limited New polycyclic ether antibiotics

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, Volume 104, No. 19, Issued 12 May 1986 (Columbus, Ohio, USA), J.C. RUDDOCK, "Polycyclic Ether Antibiotics", page 538, Abstract No. 166918w; & EP,A,169 011. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3539549A1 (fr) 2018-03-12 2019-09-18 Adisseo France S.A.S. Additif alimentaire à base de saponines pour le traitement de la coccidiose

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DK644288D0 (da) 1988-11-18
US5147858A (en) 1992-09-15
ATE91687T1 (de) 1993-08-15
DE3882490D1 (de) 1993-08-26
EP0317231B1 (en) 1993-07-21
PT89032A (pt) 1988-12-01
JPH0588719B2 (en, 2012) 1993-12-24
IE883464L (en) 1989-05-20
PT89032B (pt) 1993-02-26
JPH01165392A (ja) 1989-06-29
IE61964B1 (en) 1994-11-30
DK644288A (da) 1989-06-27
EP0317231A3 (en) 1990-04-18
DE3882490T2 (de) 1993-11-11
ES2058310T3 (es) 1994-11-01
EP0317231A2 (en) 1989-05-24

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