US3880642A - Bis-anilide compositions as algicidal agents - Google Patents

Bis-anilide compositions as algicidal agents Download PDF

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US3880642A
US3880642A US349342A US34934273A US3880642A US 3880642 A US3880642 A US 3880642A US 349342 A US349342 A US 349342A US 34934273 A US34934273 A US 34934273A US 3880642 A US3880642 A US 3880642A
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alkyl
dimethylbutyl
ethyl
butyl
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Don R Baker
Eugene G Teach
Duane R Arneklev
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Akzo America Inc
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Stauffer Chemical Co
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides
    • C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/12—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by halogen atoms or by nitro or nitroso groups
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides
    • C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/34—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups

Definitions

  • ABSTRACT This invention relates to the utility of certain bisanilide compositions of the general formula:
  • R is alkyl having from 2 to 7 carbon atoms, inclusive, and R is selected from the group consisting of benzyl, 3,4-dichlorophenyl, 2,4-dichlorophenyl. 2,4dichlorophenoxymethyl, l-isobutenyl, alkyl having from 2 to 7 carbon atoms, inclusive, and haloalkyl having I to 2 carbon atoms, inclusive, as algicidal agents.
  • R is alkyl having from 2 to 7 carbon atoms, inelusive, and R is selected from the group consisting of benzyl, 3,4-dichlorophenyl, 2,4-dichlorophenyl, 2,4- dichlorophenoxymethyl, l-isobutenyl, alkyl having from 2 to 7 carbon atoms, inclusive, and haloalkyl having 1 to 2 carbon atoms, inclusive. It was found that these compounds have an algicidal property and provide beneficial results in controlling the growth of algae.
  • Controlling the growth of algae by employing the compounds described herein can be accomplished by applying an aligicidally effective amount to the environment in which algae growth is normally encouraged.
  • the compounds may be applied to any environmental area which is a host to algae or susceptible to algae attack and growth.
  • controlling it is meant the inhibition, eradication or elimination, and prevention of the growth of the organism to be controlled.
  • alkyl as used herein, i.e., both in the specification and claims, contemplates linear and branched chain alkyl radicals containing from 2 to 7 carbon atoms, inclusive, such as ethyl, n-propyl, isopropyl, nbutyl, iso-butyl, sec.-butyl, tert.-butyl, n-amyl, isoamyl, n-hexyl, l,l-dimethylbutyl, and the like.
  • haloalkyl as used herein contemplates halogen substituted alkyl radicals containing from 1 to 2 carbon atoms, inclusive, such as monochloromethyl, dichloromethyl, trichloromethyl, monochloroethyl, dichloroethyl, trichloroethyl, pentachloroethyl, bromomethyl,
  • the compounds herein disclosed are prepared by one of several general methods.
  • One such general method is the condensation between the appropriate mphenylene diamine and an appropriate acid anhydride or acid chloride to prepare the desired meta-bis-symmetrically substituted anilide.
  • Another general method is the condensation between the appropriate m-monosubstituted amino anilide and an appropriate acid anhydride or acid chloride to prepare the desired meta-bis-assymetrically substituted anilide.
  • the reactions proceed readily in the liquid phase.
  • the employment of a solvent is also useful, facilitating processing, as well as agitation of the reactants.
  • a hydrogen halide acceptor such as triethylamine, pyridine, picoline, sodium carbonate and the like.
  • the reactions are preferably carried out at temperatures that permit operation in the liquid phase.
  • normal work-up procedures are applicable to recover the purified compound, such as, solvent extraction, crystallization, distillation and the like.
  • ALGlCIDAL TEST PROCEDURE Sufficient candidate toxicant is diluted in acetone to give an 0.5 percent mixture which is then diluted into 20 milliliters of warm modified Jack Meyers Agar Medium (Algae Culture from Laboratory to Pilot Plant", 1953, Page 94).
  • the dilutions of the test compounds are selected concentrations of' from 0.5 to 50 #g/ml. including 1.0, 5.0 and 10.0 pg/ml.
  • the selected concentrations are tested in 20 X mm.
  • this invention is applicable to the control of algae in industrial cooling towers and other water recirculating systems as used in paper manufacturing processes, for example.
  • the substances to be employed according to the present invention can be used as such or in the form of formulations with carrier vehicles.
  • Suitable carrier vehicles or assistants are mainly: Solvents, such as, optionally chlorina ted, aromatic hydrocarbons (e.g., xylene, benzene, chlorobenzenes), paraffins (e.g., petroleum fractions), alcohols (e.g., methanol, ethanol, butanol), amines (e.g., ethanolamine, dimethyl formamide), as well as water; finely divided solid carriers, for example, natural and synthetic stone meals or powders (kaolin, alumina, chalk, i.e., calcium carbonate, talc, highly disperse silicic acid, silicates, e.g., alkali silicates); emulsifiers, such as non-ionic and anionic emulsifiers (e.
  • dispersing agents such as lignin, sulfite waste liquors and methyl cellulose.
  • the active compounds or agents to be employed according to the instant invention can be present in the aforesaid formulations in mixture with one another and with other known active substances.
  • the algicidal compositions of the invention also comprise aqueous emulsions.
  • the aqueous emulsions can be prepared by dissolving a surfactant of the type noted hereinabove and pouring the emulsifiable concentrate so obtained into water with vigorous agitation.
  • the aqueous emulsions of the invention can also be prepared by dissolving the active ingredient in a watermiscible solvent such as Carbitol (diethylene glycol monoethyl ether), acetone, a lower alkanol, Cellosolve (ethylene glycol monoethyl ether), dioxan, and the like, if desired, in association with a surfactant such as noted above, to obtain an emulsifiable concentrate which is poured into water with vigorous agitation.
  • aqueous emulsions of the invention can also be prepared by dissolving the active ingredient and a surfactant such as noted above in an organic solvent which is immiscible with water.
  • the resulting emulsifiable concentrate is then admixed with water with vigorous agitation to form an emulsion.
  • the water-immiscible organic solvents which are suitable for use include cyclohexanone, summer oils, aromatic hydrocarbons such as benzene, toluene, xylene, and high-boiling petroleum hydrocarbons such as kerosene, diesel oil, and the like.
  • aqueous emulsions of the invention can be supplied to the user in the form of the emulsifiable concentrates described above which require dilution with water before use. Both the concentrated compositions and the diluted compositions are included within the scope of the present invention.
  • Formulations contain, in accordance with the present invention, in general from 0.1 to 95, preferably 0.5 to 90, per cent by weight of active compound or agent.
  • the agents according to the present invention or their preparations are applied in the usual way, e.g., by spraying, dusting, sprinkling or atomizing.
  • the active substances can be applied, according to the purpose in view, in a concentration of 5 to 0.0005 percent. In special cases it is, however, possible or even necessary to go below or above these concentrations.
  • the remainder of active algicidal composition being an adjuvant which can be a liquid extending agent or surfact active agent, but preferably is an admixture thereof.
  • the method for inhibiting and preventing algae growth in water which comprises adding to the algae environment an algicidally effective amount of a compound of the formula NHC -R wherein R is alkyl having from 2 to 7 carbon atoms, inclusive and R is selected from the group consisting of benzyl, 3,4-dichlorophenyl, 2,4-dichlorophenyl, 2,4- dichlorophenoxymethyl, l-isobutenyl, alkyl having from 2 to 7 carbon atoms. inclusive, and haloalkyl having 1 to 2 carbon atoms, inclusive.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
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  • Environmental Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

This invention relates to the utility of certain bis-anilide compositions of the general formula:

WHEREIN R is alkyl having from 2 to 7 carbon atoms, inclusive, and R'' is selected from the group consisting of benzyl, 3,4dichlorophenyl, 2,4-dichlorophenyl, 2,4-dichlorophenoxymethyl, 1isobutenyl, alkyl having from 2 to 7 carbon atoms, inclusive, and haloalkyl having 1 to 2 carbon atoms, inclusive, as algicidal agents.

Description

United States Patent [191 Baker et al.
[ Apr. 29, 1975 BIS-ANILIDE COMPOSITIONS AS ALGICIDAL AGENTS [75] Inventors: Don R. Baker, Orinda; Eugene G.
Teach, El Cerrito, both of Calif.; Duane R. Arneklev, Antelope, Mont.
[73] Assignee: Stauffer Chemical Company,
Westport, Conn.
[22] Filed: Apr. 9, 1973 [21] Appl. No.: 349,342
Related U.S. Application Data [63] Continuation-impart of Ser. No. l98 45(), Nov. 12,
1971. abandoned.
Primary E.\'aminerLewis Gotts Assistant E.\'aminerCatherine L. Mills Attorney, Agent, or Firm-Harry A. Pacini; Daniel C. Block; Edwin H. Baker [57] ABSTRACT This invention relates to the utility of certain bisanilide compositions of the general formula:
wherein R is alkyl having from 2 to 7 carbon atoms, inclusive, and R is selected from the group consisting of benzyl, 3,4-dichlorophenyl, 2,4-dichlorophenyl. 2,4dichlorophenoxymethyl, l-isobutenyl, alkyl having from 2 to 7 carbon atoms, inclusive, and haloalkyl having I to 2 carbon atoms, inclusive, as algicidal agents.
29 Claims, No Drawings BIS-ANILIDE COMPOSITIONS AS ALGICIDAL AGENTS This application is a continuation-in-part of copending application Ser. No. 198,450, filed Nov. 12. 1971 now abandoned.
This invention relates to the utility as algicidal agents for the control of algae when used in an algicidally effective amount of certain substituted bis-anilides of the general formula:
9 bIIHC-R wherein R is alkyl having from 2 to 7 carbon atoms, inelusive, and R is selected from the group consisting of benzyl, 3,4-dichlorophenyl, 2,4-dichlorophenyl, 2,4- dichlorophenoxymethyl, l-isobutenyl, alkyl having from 2 to 7 carbon atoms, inclusive, and haloalkyl having 1 to 2 carbon atoms, inclusive. It was found that these compounds have an algicidal property and provide beneficial results in controlling the growth of algae.
Controlling the growth of algae by employing the compounds described herein can be accomplished by applying an aligicidally effective amount to the environment in which algae growth is normally encouraged. The compounds may be applied to any environmental area which is a host to algae or susceptible to algae attack and growth. By controlling, it is meant the inhibition, eradication or elimination, and prevention of the growth of the organism to be controlled.
The term alkyl as used herein, i.e., both in the specification and claims, contemplates linear and branched chain alkyl radicals containing from 2 to 7 carbon atoms, inclusive, such as ethyl, n-propyl, isopropyl, nbutyl, iso-butyl, sec.-butyl, tert.-butyl, n-amyl, isoamyl, n-hexyl, l,l-dimethylbutyl, and the like. The term haloalkyl as used herein contemplates halogen substituted alkyl radicals containing from 1 to 2 carbon atoms, inclusive, such as monochloromethyl, dichloromethyl, trichloromethyl, monochloroethyl, dichloroethyl, trichloroethyl, pentachloroethyl, bromomethyl,
.bromoethyl, iodomethyl, iodoethyl, trifluoromethyl,
pentafluoroethyl, chlorofluoromethyl, chlorofluoroethyl, monofluorotetrachloroethyl, and the like.
The following compounds in Table I can be used, for example, according to the invention hereindescribed. Compound numbers have been assigned and are used throughout the balance of this application.
TABLE 1 ll NHC-R PHYSICAL COMPOUND CONSTANT NUMBER R V R' I'D-E. c.
g 1. c 11 001 159-161 2 c 11 CF3 196 197 3 i-C H cc1 -162 s c11(c11 )c H ca(c11 )c 11 111-115 9 C(CH3)3 3,4-di-C1-phenyl 187-191 10 c (c11 c 11 2 idi-Cl-pheny1 153-157 11 T c(c1+1 c 11 011 0-2 ,4-di-Cl-phenyl 126 -129 12 0 11 I c11 c(c11 3 177-179 TABLE 1-Continued ll NHC-R PHYSICAL COMPOUND CONSTANT NUMBER R R v1. c.
l3 0 H 3,4-di-Cl-phenyl 175-177 14 C l-l CC1 CH 16 3-165 The compounds mentioned thus far, and those contemplated, can be prepared, for example, according to the following methods.
The compounds herein disclosed are prepared by one of several general methods. One such general method is the condensation between the appropriate mphenylene diamine and an appropriate acid anhydride or acid chloride to prepare the desired meta-bis-symmetrically substituted anilide. Another general method is the condensation between the appropriate m-monosubstituted amino anilide and an appropriate acid anhydride or acid chloride to prepare the desired meta-bis-assymetrically substituted anilide. The reactions proceed readily in the liquid phase. The employment of a solvent is also useful, facilitating processing, as well as agitation of the reactants. When using a starting material containing an acid chloride, it is preferred to carry out the reaction in the presence of a hydrogen halide acceptor such as triethylamine, pyridine, picoline, sodium carbonate and the like. The reactions are preferably carried out at temperatures that permit operation in the liquid phase. Upon completion of the reaction, normal work-up procedures are applicable to recover the purified compound, such as, solvent extraction, crystallization, distillation and the like.
The following illustrated examples describe in detail,
without restriction thereto, the preparation of several representative compounds.
EXAMPLE I Preparation of 3'-trichloroacetamido propionanilide.
ered by filtration and washed consecutively with dilute hydrochloric acid and water. The product was dried in a vacuum oven. There was obtained 15.3 g. of the title product, m.p. 159-161C.
EXAMPLE ll 1 Preparation of 3 2 ,2-dimethylvaleramido )-t-butyl-acetanilide.
ALGlCIDAL TEST PROCEDURE Sufficient candidate toxicant is diluted in acetone to give an 0.5 percent mixture which is then diluted into 20 milliliters of warm modified Jack Meyers Agar Medium (Algae Culture from Laboratory to Pilot Plant", 1953, Page 94). The dilutions of the test compounds are selected concentrations of' from 0.5 to 50 #g/ml. including 1.0, 5.0 and 10.0 pg/ml. The selected concentrations are tested in 20 X mm. Petri dishes. After the agar solidifies, separate Petri dishes are innoculated with the desired organism, such asScenedesmus obliquus or Chlorella pyrenoidosa. The innoculated samples are then allowed to grow at room temperature under fluorescent lamps using a 14 hour light period each day. After one to two weeks, depending upon the growth of the untreated controls, the results are recorded as to the level necessary to control the specific organism. The results obtained with representative compounds and their concentrations are given in Table II. i
TABLE II ALGlClDE TEST COM- (concentration, (concentration, POUND NUMBER ug/ml.) fl-g/ml.)
I 1 .0* 0.5 2 1.0* (0.5) 3 1 .0* 0.5 4 I .0* L 5 1 .0* L0) 6 1 .0* 0.5 7 1 e 0.5 8 I .0* 1.0 9 1 .0* 0.5 10 1 .0* 1.0 l l 1 .0* 0.5 l2 5.0 (5.0) 13 50 1.0 [4 (5.0) (L0) 15 5.() 1.0) 16 50 (50) 17 50.() 50.0 18 50 1.0 I) 50.0 1.0) 20 500 (50.0) 2] 500 (5.0) 22 50.0 5.0 23 (50.0) (5.0) 24 (50.0) 50.0 25 50.0 5.0 26 50.0 5.0 27 (50.0) L0 28 50.0 L0 29 (5.0) 1.0 30 (5.0) L0 denotes partial control at the indicated concentration denotes not tested denotes highest concentration tested The manner in which the water area may be treated for the control of algae will vary with the specific problems encountered. An acute problem in the storage and utilization of industrial process water is the fouling of such water and systems in which the water is used by the growth of algae. Entire areas such as a pond or lake may be treated. Drainage ditches and other waterflowing sites may be treated.
In addition to use in ponds and lakes, this invention is applicable to the control of algae in industrial cooling towers and other water recirculating systems as used in paper manufacturing processes, for example.
The substances to be employed according to the present invention can be used as such or in the form of formulations with carrier vehicles. Examples and emulsifiable concentrates, spray powders, pastes, soluble powders, and the like. Suitable carrier vehicles or assistants are mainly: Solvents, such as, optionally chlorina ted, aromatic hydrocarbons (e.g., xylene, benzene, chlorobenzenes), paraffins (e.g., petroleum fractions), alcohols (e.g., methanol, ethanol, butanol), amines (e.g., ethanolamine, dimethyl formamide), as well as water; finely divided solid carriers, for example, natural and synthetic stone meals or powders (kaolin, alumina, chalk, i.e., calcium carbonate, talc, highly disperse silicic acid, silicates, e.g., alkali silicates); emulsifiers, such as non-ionic and anionic emulsifiers (e.g., polyoxyethylene fatty acid esters and polyoxyethylene fatty alcohol ethers, alkyl sulfonates and aryl sulfonates) especially magnesium stearate, sodium oleate, etc., and
dispersing agents such as lignin, sulfite waste liquors and methyl cellulose.
As already mentioned above, the active compounds or agents to be employed according to the instant invention can be present in the aforesaid formulations in mixture with one another and with other known active substances.
The algicidal compositions of the invention also comprise aqueous emulsions. The aqueous emulsions can be prepared by dissolving a surfactant of the type noted hereinabove and pouring the emulsifiable concentrate so obtained into water with vigorous agitation. The aqueous emulsions of the invention can also be prepared by dissolving the active ingredient in a watermiscible solvent such as Carbitol (diethylene glycol monoethyl ether), acetone, a lower alkanol, Cellosolve (ethylene glycol monoethyl ether), dioxan, and the like, if desired, in association with a surfactant such as noted above, to obtain an emulsifiable concentrate which is poured into water with vigorous agitation. The aqueous emulsions of the invention can also be prepared by dissolving the active ingredient and a surfactant such as noted above in an organic solvent which is immiscible with water. The resulting emulsifiable concentrate is then admixed with water with vigorous agitation to form an emulsion. The water-immiscible organic solvents which are suitable for use include cyclohexanone, summer oils, aromatic hydrocarbons such as benzene, toluene, xylene, and high-boiling petroleum hydrocarbons such as kerosene, diesel oil, and the like.
The aqueous emulsions of the invention can be supplied to the user in the form of the emulsifiable concentrates described above which require dilution with water before use. Both the concentrated compositions and the diluted compositions are included within the scope of the present invention.
Formulations contain, in accordance with the present invention, in general from 0.1 to 95, preferably 0.5 to 90, per cent by weight of active compound or agent. The agents according to the present invention or their preparations are applied in the usual way, e.g., by spraying, dusting, sprinkling or atomizing. The active substances can be applied, according to the purpose in view, in a concentration of 5 to 0.0005 percent. In special cases it is, however, possible or even necessary to go below or above these concentrations. The remainder of active algicidal composition being an adjuvant which can be a liquid extending agent or surfact active agent, but preferably is an admixture thereof.
Various changes and modifications are possible without departing from the spirit and scope of the invention described herein and will be apparent to those skilled in the art to which it pertains.
What is claimed is:
l. The method for inhibiting and preventing algae growth in water, which comprises adding to the algae environment an algicidally effective amount of a compound of the formula NHC -R wherein R is alkyl having from 2 to 7 carbon atoms, inclusive and R is selected from the group consisting of benzyl, 3,4-dichlorophenyl, 2,4-dichlorophenyl, 2,4- dichlorophenoxymethyl, l-isobutenyl, alkyl having from 2 to 7 carbon atoms. inclusive, and haloalkyl having 1 to 2 carbon atoms, inclusive.
2. The method according to claim 1 in which R is alkyl and R is alkyl.
3. The method according to claim 2 in which R is 1.1- dimethylbutyl and R is neopentyl.
4. The method according to claim 2 in which R is 3- methylbutyl and R is l,l-dimethylbutyl.
5. The method according to claim 2 in which R is ethyl and R is neopentyl.
6. The method according to claim 2 in which R is lmethylbutyl and R is tertiary-butyl.
.7. The method according to claim 2 in which R is ethyl and R is l-ethylpentyl.
8. The method according to claim 2 in which R is lmethylbutyl and R is l-methylbutyl.
9. The method according to claim 1 in which R is alkyl and R ishaloalkyl.
10. The method according to claim 9 in which R is ethyl and R is trichloromethyl.
11. The method according to claim 9 in which R is ethyl and R is trifluoromethyl.
12. The method acccording to claim 9 in which R is isopropyl and R is trichloromethyl.
13.. The method according to claim 9 in which R is ethyl and R is l,l-dichloroethyl.
14'. The method according to claim 9 in which R is l, l-dimethylbutyl and R is trifluoromethyl.
16. The method according to claim 9 in which R is I ethyl and R is l,l-dichloro-2,2.2-trifluoroethyl.
17. The method according to claim 9 in which R is 1.1-dimethylbutyl and R is pentafluoroethyl.
18. The method according to claim 1 in which R is alkyl and R is benzyl.
19. The method according to claim 18 in which R is l-methylbutyl.
20. The method according to claim 18 in which R is 1,1-dimethylbutyl.
21. The method according to claim 1 in which R is alkyl and R is 3,4-dichlorophenyl.
22. The method according to claim 21 in which R is tertiary-butyl.
23. The method according to claim 21 in which R is ethyl.
24. The method according to claim 1 in which R is alkyl and R is 2,4-dichlorophenyl.
25. The method according to claim 24 in which R is l, l -dimethylbutyl.
26. The method according to claim 1 in which R is alkyl and R is 2,4-dichlorophenoxymethyl.
27. The method according to claim 26 in which R is l,l-dimethylbutyl.
28. The method according to claim 1 in which R is alkyl and R is l-isobutenyl.
29. The method according to claim 28 in which R is tertiary-butyl.
1 UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION d PATENT NO. 3,880,642
DATED 1 April 29, 1975 |NVENTOR(S) Don R. Baker et a1.
It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below: 0
In printing the patent, the following portion of Table I was omitted:
PHYSICAL COMPOUND CONSTANT NUMBER 3 R' m. c.
22 CH(CH C H C(CH C H glass 23 CH CH(CH )C H C H 123-126 28 CH(CH )C H 0 F 126-128 29 C(CH C H C 1 112-114 a Signed and Sealed this Twenty-eighth Day or December 1976 [SEAL] Arrest:
RUTH C. MASON C. MARSHALL DANN Arresting Officer Commissioner oflatenrs and Trademarks

Claims (29)

1. THE METHOD FOR INHIBITING AND PREVENTING ALGAE GROWTH IN WATER, WHICH COMPRISES ADDING TO THE ALGAE ENVIROMENT AN ALGICIDALLY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
2. The method according to claim 1 in which R is alkyl and R'' is alkyl.
3. The method according to claim 2 in which R is 1,1-dimethylbutyl and R'' is neopentyl.
4. The method according to claim 2 in which R is 3-methylbutyl and R'' is 1,1-dimethylbutyl.
5. The method according to claim 2 in which R is ethyl and R'' is neopentyl.
6. The method according to claim 2 in which R is 1-methylbutyl and R'' is tertiary-butyl.
7. The method according to claim 2 in which R is ethyl and R'' is 1-ethylpentyl.
8. The method according to claim 2 in which R is 1-methylbutyl and R'' is 1-methylbutyl.
9. The method according to claim 1 in which R is alkyl and R'' is haloalkyl.
10. The method according to claim 9 in which R is ethyl and R'' is trichloromethyl.
11. The method according to claim 9 in which R is ethyl and R'' is trifluoromethyl.
12. The method acccording to claim 9 in which R is isopropyl and R'' is trichloromethyl.
13. The method according to claim 9 in which R is ethyl and R'' is 1,1-dichloroethyl.
14. The method according to claim 9 in which R is 1,1-dimethylbutyl and R'' is trifluoromethyl.
15. The method according to claim 9 in which R is tertiary-butyl and R'' is pentafluoroethyl.
16. The method according to claim 9 in which R is ethyl and R'' is 1,1-dichloro-2,2,2-trifluoroethyl.
17. The method according to claim 9 in which R is 1,1-dimethylbutyl and R'' is pentafluoroethyl.
18. The method according to claim 1 in which R is alkyl and R'' is benzyl.
19. The method according to claim 18 in which R is 1-methylbutyl.
20. The method according to claim 18 in which R is 1,1-dimethylbutyl.
21. The method according to claim 1 in which R is alkyl and R'' is 3,4-dichlorophenyl.
22. The method according to claim 21 in which R is tertiary-butyl.
23. The method according to claim 21 in which R is ethyl.
24. The method according to claim 1 in which R is alkyl and R'' is 2,4-dichlorophenyl.
25. The method according to claim 24 in which R is 1,1-dimethylbutyl.
26. The method according to claim 1 in which R is alkyl and R'' is 2,4-dichlorophenoxymethyl.
27. The method according to claim 26 in which R is 1,1-dimethylbutyl.
28. The method according to claim 1 in which R is alkyl and R'' is 1-isobutenyl.
29. The method according to claim 28 in which R is tertiary-butyl.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049680A (en) * 1973-12-20 1977-09-20 H. L. Blachford Limited Amide waxes
US6656971B2 (en) 2001-01-25 2003-12-02 Guilford Pharmaceuticals Inc. Trisubstituted carbocyclic cyclophilin binding compounds and their use
US20030232815A1 (en) * 1999-09-08 2003-12-18 Hamilton Gregory S. Non-peptidic cyclophilin binding compounds and their use

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US3661552A (en) * 1967-10-25 1972-05-09 Tenneco Chem Process for the control of plant growth with substituted n,n{40 -bis(haloacetyl)-o-phenylene diamines

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US3661552A (en) * 1967-10-25 1972-05-09 Tenneco Chem Process for the control of plant growth with substituted n,n{40 -bis(haloacetyl)-o-phenylene diamines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049680A (en) * 1973-12-20 1977-09-20 H. L. Blachford Limited Amide waxes
US20030232815A1 (en) * 1999-09-08 2003-12-18 Hamilton Gregory S. Non-peptidic cyclophilin binding compounds and their use
US6677376B1 (en) 1999-09-08 2004-01-13 Guilford Pharmaceuticals, Inc. Non-peptidic cyclophilin binding compounds and their use
US6656971B2 (en) 2001-01-25 2003-12-02 Guilford Pharmaceuticals Inc. Trisubstituted carbocyclic cyclophilin binding compounds and their use

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