Plural Ring Sulfurs In The Hetero Ring Patents (Class 549/11)
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Patent number: 4590005Abstract: The present invention relates to novel macrocyclic carbonyl compounds of the macrocyclic carbamate and lactone type, to chiral macrocyclic structures, to macrocyclic urea compounds and to macrocyclic thiolactones and to a process for the preparation of same. The process of the invention comprises reacting a stannoxane, silazane or silathiane compound with an activated carbonyl compound in an organic solvent at moderate temperature.Type: GrantFiled: April 26, 1985Date of Patent: May 20, 1986Inventors: Abraham Shanzer, Eduard Schwartz
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Patent number: 4571404Abstract: Substituted benzopentathiepins, their preparation from 1,2,3-benzothiadiazoles and elemental sulfur, selected 1,2,3-benzothiadiazoles; the benzopentathiepins being useful as biologically active compounds or as intermediates to 1,2-benzenedithiols.Type: GrantFiled: June 7, 1984Date of Patent: February 18, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Bertrand L. Chenard
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Patent number: 4564690Abstract: A macrocyclic compound represented by the following general formula: ##STR1## and a process for preparing thereof which comprises reacting an .alpha.,.omega.-dihalogenated hydrocarbon and an active methylene compound with a base in a solvent to obtain a macrocyclic compound represented by the following general formula (II): ##STR2## and then inducing the functional group of Y.sup.1, Y.sup.3 and Y.sup.5 by means of a hydrolysis, oxidation or such, and an uranyl ion capturing agent comprising a polymer chemically bonded to a functional group in a macrocyclic compound and preparation thereof.Type: GrantFiled: December 6, 1982Date of Patent: January 14, 1986Assignee: Mitsubishi Chemical Industries LimitedInventors: Iwao Tabushi, Yoshiaki Kobuke
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Patent number: 4511391Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: X is selected from halogen, nitro, cyano, alkyl, substituted alkyl, alkenyl, alkynyl, hydroxy, alkoxy, substituted alkoxy, alkenyloxy, alkynyloxy, alkanoyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, benzyloxy, substituted benzyloxy, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;Y and Z are independently selected from methylene, oxygen and sulfur provided that at least one of Y and Z is selected from oxygen and sulfur;R.sup.1 is selected from hydrogen, alkyl, alkenyl alkynyl, substituted alkyl, acyl, alkylsulfonyl, benzenesulfonyl, substituted benzenesulfonyl, and an inorganic or organic cation;R.sup.2 is selected from alkyl, alkenyl, alkynyl, substituted alkyl, haloalkenyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl;R.sup.4 is selected from hydrogen, halogen, cyano, C.Type: GrantFiled: May 24, 1983Date of Patent: April 16, 1985Assignee: ICI Australia LimitedInventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson
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Patent number: 4469877Abstract: This invention relates to photographic products and processes employing silver halide solvent precursors of the formula ##STR1## wherein R.sup.1 is a monovalent organic radical; R.sup.2 is hydrogen or a monovalent organic radical; Z is a moiety that undergoes .beta.-elimination in aqueous alkaline solution and preferably is a moiety that undergoes .beta.-elimination in aqueous alkaline solution to release a photographically useful reagent; and n is an integer 3, 4 or 5.Type: GrantFiled: March 14, 1983Date of Patent: September 4, 1984Assignee: Polaroid CorporationInventors: Alan L. Borror, Ernest W. Ellis
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Patent number: 4448976Abstract: Disclosed is a chiral, total synthesis of thienamycin from D-glucose which proceeds via intermediates I, II and III to known aldehyde IV which is known to be useful in the total synthesis of thienamycin (V): ##STR1## wherein: R is lower alkyl having 1-6 carbon atoms or bi-valent alkyl having 2-6 carbon atoms which joins the two sulfur atoms; R.sup.1 is lower alkyl or aralkyl, such as benzyl and the like; and R.sup.2 is hydrogen or a removable protecting group, such as triorganosilyl wherein the organo groups are independently selected from lower alkyl, phenyl and phenylloweralkyl.Type: GrantFiled: February 7, 1983Date of Patent: May 15, 1984Assignee: Merck & Co., Inc.Inventor: Philippe L. Durette
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Patent number: 4431808Abstract: A technique is described for the preparation of a wide variety of basic derivatives of linearly condensed tricyclic systems formed by two external benzene nuclei and a 7-membered central ring having 2 chalcogen atoms as hetero atoms.Derivatives of 11H-dibenzo(b,e)-1,4-dioxepin are obtained when the chalcogens are both oxygen atoms; derivatives of 11H-dibenzo(b,f)-1,4-dithiepin are obtained when the chalcogens are both sulfur atoms; derivatives of 6H-dibenz(b,e)-1,4-oxathiepin and 11H-dibenz(b,f)-1,4-oxathiepin are obtained with combinations of sulfur and oxygen atoms as chalcogens.Type: GrantFiled: March 9, 1982Date of Patent: February 14, 1984Assignee: SPOFA, spojene podniky pro zdravotnickou vyrobuInventors: Miroslav Protiva, Karel Sindelar, Antonin Dlabac, Jirina Metysova
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Patent number: 4386214Abstract: Cyclic perfluoroaliphaticdisulfonic acid anhydrides, sulfonamide derivatives thereof, a process for making the same, curable compositions containing cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof and cationically-sensitive monomers, and a process for using cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof as catalysts for the cure of cationically-sensitive monomers.Type: GrantFiled: December 1, 1981Date of Patent: May 31, 1983Assignee: Minnesota Mining and Manufacturing CompanyInventor: Fred E. Behr
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Patent number: 4362668Abstract: Ortho-quinones with alkyl, olefin polymer, or halogen substituents and a process for the preparation of these compounds comprising a base catalyzed halogen oxidation of alkylated phenol.Type: GrantFiled: July 31, 1979Date of Patent: December 7, 1982Assignee: Standard Oil Company (Indiana)Inventor: Richard J. Lee
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Patent number: 4348529Abstract: This invention relates to a method of synthesizing bis-sulfones of the formula ##STR1## wherein R.sup.1 and R.sup.2 each are hydrogen, alkyl, phenalkyl, phenyl or phenyl-substituted with an electron-donating or electron-withdrawing group and n is an integer 2, 3 or 4 (a) by reacting a 1,3-dithio compound with n-butyllithium to generate the anion of said compound, (b) reacting said anion with a carbonyl compound to give the 2-substituted carbonol anion intermediate, (c) reacting said intermediate with an acyl chloride or a chloroformate to give the corresponding ester, and (d) reacting said ester with a peracid to give the bis-sulfone product. The subject invention also is concerned with the novel intermediates of step (c).Type: GrantFiled: August 19, 1981Date of Patent: September 7, 1982Assignee: Polaroid CorporationInventors: Alan L. Borror, Ernest W. Ellis, Charles E. Hammond
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Patent number: 4339590Abstract: A cyclic sulfur compound represented by the formula, ##STR1## wherein R is --CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 CH.sub.2 --, m is an integer of 2 to 4 and n is an integer of 1 to 3 is novel and can be used as a crosslinking agent instead of sulfur per se and also as a monomer for preparing polysulfide polymer. Said cyclic sulfur compound can be produced by reacting a metal sulfide represented by the formula, ##STR2## wherein R is the same as defined above, R' and R" are independently selected from alkyl groups and aryl groups and M is silicon or tin, with a halogen, sulfur dichloride or sulfur monochloride.Type: GrantFiled: January 21, 1981Date of Patent: July 13, 1982Assignee: Japan Synthetic Rubber Company, LimitedInventors: Noboru Yamazaki, Seiichi Nakahama, Kazuo Yamaguchi
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Patent number: 4330674Abstract: Carbamoyl sulfides such as dimethyl N,N'-[2,3-butanediylidenebis[nitrilooxycarbonyl(N-methylimino)thio(N-methy limino)carbonyloxy]]bis[ethanimidothioate] useful for control of insects and nematodes.This application is a divisional of application Ser. No. 139,836, filed Apr. 24, 1980, now U.S Pat. No. 4,254,141, which is a continuation-in-part of application Ser. No. 18,293, filed Mar. 6, 1979, and now abandoned.Type: GrantFiled: October 8, 1980Date of Patent: May 18, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Jiin-Duey Cheng
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Patent number: 4329478Abstract: Cyclic perfluoroaliphaticdisulfonic acid anhydrides, sulfonamide derivatives thereof, a process for making the same, curable compositions containing cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof and cationically-sensitive monomers, and a process for using cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof as catalysts for the cure of cationically-sensitive monomers.Type: GrantFiled: January 30, 1981Date of Patent: May 11, 1982Assignee: Minnesota Mining and Manufacturing CompanyInventor: Fred E. Behr
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Patent number: 4324900Abstract: Disclosed is a chiral, total synthesis of thienamycin from D-glucose, which proceeds via intermediates I, II, and III and joins aldehyde IV or acid V, which are known to be useful in the total synthesis of thienamycin (VI): ##STR1## wherein R.sup.1 is hydrogen or a removable protecting group;R is lower alkyl having 1-6 carbon atoms or bi-valent alkyl having 2-6 carbon atoms which joins the two sulfur atoms.Type: GrantFiled: March 30, 1981Date of Patent: April 13, 1982Assignee: Merck & Co., Inc.Inventor: Philippe L. Durette
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Patent number: 4298751Abstract: Cyclically substituted fulvalenophanes of the formula ##STR1## where X is S, Se or Te, R is H or lower alkyl, A is --(CH.sub.2).sub.n --and Z is a radical of the formula ##STR2## a p-phenylene radical or a quinodimethane radical of the formula ##STR3## where the radicals R.sup.2 and R.sup.3 are halogen, carboxylic acid ester groups or cyano and R.sup.3 may also be hydrogen, and the quinodimethane ring may be substituted by halogen, nitro or cyano.Type: GrantFiled: August 8, 1980Date of Patent: November 3, 1981Assignee: Basf AktiengesellschaftInventors: Heinz Staab, Joachim Ippen
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Patent number: 4272629Abstract: The invention relates to (1.alpha., 2.alpha., 4.alpha., 6.alpha.)-3-oxatricyclo[4.2.0.0.sup.2,4 ]octane-7-one and derivatives thereof in which the ketone group is protected, which compounds are useful intermediates in the preparation of natural and synthetic prostaglandins. Processes for the preparation of these compounds are described and exemplified as are processes for their conversion into known prostaglandin intermediates.Type: GrantFiled: July 23, 1979Date of Patent: June 9, 1981Assignee: Allen & Hanburys LimitedInventor: Stanley M. Roberts
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Patent number: 4259507Abstract: 3,5-di-(2-methylpropyl)-1,2,4-trithiolane having the formula: ##STR1## and its "cis" and "trans" isomers represented by the structures: ##STR2## and described as being useful in augmenting or enhancing the organoleptic properties (taste and aroma) of foodstuffs.Type: GrantFiled: August 3, 1979Date of Patent: March 31, 1981Assignee: International Flavors & Fragrances Inc.Inventors: Chi-Kuen Shu, Braja D. Mookherjee, Manfred H. Vock
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Patent number: 4237056Abstract: This invention discloses new compounds of the formula ##STR1## wherein X,Y,Z and Q are each independently selected from the group consisting of oxygen and sulfur; R.sup.1 is selected from the group consisting of alkyl, and ##STR2## wherein A may be different at different positions and is selected from the group consisting of alkyl, alkoxy, alkylthio, halogen, nitro and cyano, p is an integer from 0 to 5; R.sup.2 is selected from the group consisting of alkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino and ##STR3## wherein B may be different at different positions and is selected from the group consisting of alkyl, alkoxy, alkylthio, halogen, nitro and cyano, and q is an integer from 0 to 5; R.sup.3 is selected from the group consisting of hydrogen, alkyl and ##STR4## wherein D may be different at different positions and is selected from the group consisting of alkyl, alkoxy, alkylthio, halogen, nitro and cyano, and r is an integer from 0 to 5; R.sup.Type: GrantFiled: July 26, 1979Date of Patent: December 2, 1980Assignee: Velsicol Chemical CorporationInventor: Leonard J. Stach
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Patent number: 4218379Abstract: A process is provided for the continuous or semi-continuous production of hetero-macrocyclic compounds including lactones and cyclic esters. The process involves the catalyzed depolymerization of linear polyesters at elevated temperature and under reduced pressure in the presence of a specified amount of monocarboxylate moieties while providing top-to-bottom mixing throughout essentially the total volume of the reaction mass.Type: GrantFiled: December 18, 1978Date of Patent: August 19, 1980Assignee: Emery Industries, Inc.Inventors: Eugene G. Harris, John F. White
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Patent number: 4165321Abstract: A process is provided for the continuous or semi-continuous production of hetero-macrocyclic compounds including lactones and cyclic esters. The process involves the catalyzed depolymerization of a linear polyester at an elevated temperature and under reduced pressure in the presence of a specified amount of monocarboxylate moieties and while providing top-to-bottom mixing throughout essentially the total volume of the reaction mass.Type: GrantFiled: September 21, 1977Date of Patent: August 21, 1979Inventors: Eugene G. Harris, John F. White