Substituted Patents (Class 560/262)
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Patent number: 4158096Abstract: Synthesis and intermediates for making insect pheromone useful in the control of red scale, Aonidiella aurantii.Type: GrantFiled: March 13, 1978Date of Patent: June 12, 1979Assignee: Zoecon CorporationInventor: Richard J. Anderson
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Patent number: 4152520Abstract: A novel process for the preparation of esters of 5-formyl-3-methyl-2,4-pentadien-1-ol which employs as starting materials 2-substituted-3-methyl-6-alkoxy-3,6-dihydro-2H-pyrans. Novel intermediates are also disclosed.Type: GrantFiled: February 28, 1977Date of Patent: May 1, 1979Assignee: Hoffmann-La Roche Inc.Inventor: Gary L. Olson
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Patent number: 4149010Abstract: 1,1,1-Trifluoroacetone is acetylated when an excess of an acetylating agent is allowed to react with this ketone in the presence of an excess of an amine such as pyridine.Type: GrantFiled: June 30, 1977Date of Patent: April 10, 1979Assignee: Polaroid CorporationInventor: Edward P. Lindholm
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Patent number: 4137240Abstract: A process for the hydroformylation of terminally unsaturated olefinic compounds by carrying out the hydroformylation under a continuously decreasing partial pressure of carbon monoxide to achieve a high linear to branched-chain ratio of aldehydes without a reduction in reaction rate, said process comprising conducting the hydroformylation at an initial total carbon monoxide and hydrogen pressure of from 40 to 500 psia the mole ratio of hydrogen to carbon monoxide being 1:1 or greater and adjusting downward the partial pressure of CO continuously until at least a 25% reduction in the partial pressure of carbon monoxide in the range of from 1 to 40 psi absolute is reached.Type: GrantFiled: June 23, 1977Date of Patent: January 30, 1979Assignee: E. I. Du Pont de Nemours and CompanyInventor: Marvin L. Peterson
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Patent number: 4133836Abstract: A process for the manufacture of acetals by reacting aliphatic aldehydes with aliphatic alcohols, especially olefinically unsaturated aldehydes and allyl alcohols, in the presence of a distillable acid, especially nitric acid, using a rectifying column as the reaction vessel. The products may be used as starting materials for plastics, active substances, scents and vitamins.Type: GrantFiled: May 31, 1977Date of Patent: January 9, 1979Assignee: BASF AktiengesellschaftInventors: Axel Nissen, Gerd Kaibel
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Patent number: 4132726Abstract: Novel optically active compounds of 4-protected hydroxy-cyclopent-2-en-1-ones of the formula ##STR1## wherein R is a splittable protective group for an alcoholic hydroxyl group, and a process for preparing the 4-protected hydroxycyclopent-2-en-1-ones by oxidizing monohydroxy-protected derivatives of cyclopent-1-ene-3,5-diol expressed by the following formula ##STR2## wherein R is the same as defined above. Optically active 4-hydroxycyclopent-2-en-1-one which is an optically active isomer of the compound of formula (2); or optically active cyclopent-1-en-3,5-diol (R-isomer) and a novel diacyl derivative of the diol, a novel monoacylmonosilyl-derivative of the diol and a novel monoacylmonotetrahydropyranol-derivative of the diol, which are intermediates for the protective derivative of formula (1). Processes are also provided for preparing the protective derivatives of formula (1) by converting these intermediates by esterification, hydrolysis, enzymatic processes, etc.Type: GrantFiled: December 22, 1975Date of Patent: January 2, 1979Assignee: Teijin LimitedInventors: Seizi Kurozumi, Takeshi Toru, Toshio Tanaka, Shuzi Miura, Makiko Kobayashi, Sachio Ishimoto, Sadakazu Matsubara
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Patent number: 4124619Abstract: Preparation of carboxylic acid esters of .gamma.-hydroxy-tiglic-aldehyde from bismonocarboxylic acid esters of but-2-en-1,4-diol via 1,4-diacetoxy-2-formyl butane including intermediates in this synthesis.Type: GrantFiled: March 23, 1977Date of Patent: November 7, 1978Assignee: Hoffmann-La Roche Inc.Inventors: Peter Fitton, Harold Moffet
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Patent number: 4095030Abstract: Diacyloxyolefins are isomerized by mixing one or more diacyloxyolefins with at least one alkali metal, alkaline earth metal or ammonium salt of a carboxylic acid and a polar diluent.Type: GrantFiled: January 21, 1977Date of Patent: June 13, 1978Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4081468Abstract: Certain herbicidal thiolcarbamate sulfoxides can be stabilized by adding an acetylenic compound of the formulaR.sub.3 --C.tbd.C--R.sub.4wherein R.sub.3 is selected from the group consisting of hydroxy, hydroxyalkyl, hydroxyalkenyl, hydroxyalkynyl, hydroxy substituted cycloalkyl, hydroxy substituted phenyl, hydroxy substituted phenalkyl, amino substituted alkyl and alkyl substituted by the group --O--C(O)-alkyl and R.sub.4 is selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, phenyl, phenalkyl, hydroxyalkyl, hydroxyalkenyl, hydroxy cycloalkyl, hydroxy substituted phenyl, hydroxy substituted phenalkyl, amino alkyl and alkyl substituted by the group --O--C(O)-alkyl.Type: GrantFiled: September 8, 1976Date of Patent: March 28, 1978Assignee: Stauffer Chemical CompanyInventors: Don Robert Baker, Francis Harry Walker, Chien Knei Tseng
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Patent number: 4079076Abstract: A novel conjugated diene bisfunctionalization process wherein a nitro group and a hydroxyl group in the form of an ester are introduced into the conjugated diene molecule by treatment of conjugated dienes with nitric acid in the presence of an acid anhydride. The novel compounds produced by this process and transformation products thereof, are useful as bactericides and fungicides and valuable organic synthesis intermediates, A novel procedure for the production of nitriles and .gamma.-acetoxytiglic aldehyde is disclosed.Type: GrantFiled: March 17, 1976Date of Patent: March 14, 1978Assignee: Hoffmann-La Roche, Inc.Inventor: Pius Anton Wehrli
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Patent number: 4069385Abstract: In the preparation of olefin derivatives having an ester group at the allylic position (hereinafter referred to as "allylic ester(s)") which comprises reacting an olefin having at least one hydrogen atom at the allylic position and which will produce an allylic ester having an asymmetric carbon atom with an organic peroxide in the presence of a copper catalyst, a method for producing optically active allylic esters characterized by using, as the copper catalyst, an optically active copper complex derived from an optically active compound selected from the group consisting of Schiff's bases of the formula: ##STR1## and amino acids of the formula: ##STR2## wherein R.sub.0 is an optically active alkyl, cycloalkyl, aralkyl or aryl group which may contain an unsaturated bond and/or a substituent having a hetero atom, X and Y are each a hydrogen atom, an alkyl, cycloalkyl, aralkyl or aryl group, or a substituent having a hetero atom, R.sub.1 and R.sub.Type: GrantFiled: June 3, 1976Date of Patent: January 17, 1978Assignee: Sumitomo Chemical Company, LimitedInventors: Masashi Araki, Tsuneyuki Nagase
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Patent number: 4059641Abstract: Polyprenyl derivatives having the formula ##STR1## in which R.sup.1 and R.sup.2 may be the same or different and each represents hydrogen atom, hydroxyl group, an alkoxy group having 1-8 carbon atoms, an aliphatic acyloxy group having 2-18 carbon atoms, an aromatic acyloxy group or an araliphatic acyloxy group having 2-3 carbon atoms in the aliphatic acyl moiety, R.sup.3 represents hydrogen atom, an alkyl group having 1-8 carbon atoms, an aliphatic acyl group having 2-18 carbon atoms, an aromatic acyl group or an araliphatic acyl group having 2-3 carbon atoms in the aliphatic acyl moiety, n is an integer of 1-4 and, when n is an integer of 2-4, R.sup.2 's may be the same or different; provided that, when n is 1 or 2, at least one of R.sup.1 and R.sup.2 's is hydroxyl group, an alkoxy group, an aliphatic acyloxy group, an aromatic acyloxy group or an araliphatic acyloxy group. These derivatives are useful as medicines for treating peptic ulcer.Type: GrantFiled: November 18, 1975Date of Patent: November 22, 1977Assignee: Sankyo Company LimitedInventors: Hiroshi Mishima, Akira Ogiso, Shinsaku Kobayashi
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Patent number: 4055603Abstract: Polyenine compounds are provided having the naturally occurring geometry and a group which in the presence of acid initiates a carbocation cyclization to a steroid or A-nor-steroid structure, particularly the pregnane parent structure. The compounds are formed for the most part by condensation of two units prepared from readily available small molecules and are joined to form a polyenine, usully having a substituted carbocyclic ring which upon contact with a Lewis acid catalyst (includes protonic) cyclizes directly to provide the 5-membered D ring as well as substitution at the C-20 position.Type: GrantFiled: August 4, 1975Date of Patent: October 25, 1977Assignee: The Board of Trustees of Leland Stanford Junior UniversityInventors: William S. Johnson, Michael B. Gravestock
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Patent number: 4055597Abstract: This invention relates to 10-aza-11,12-secoprostaglandins and processes for their manufacture. These compounds have prostaglandin-like biological activity and are particularly useful as renal vasodilators.Type: GrantFiled: June 2, 1975Date of Patent: October 25, 1977Assignee: Merck & Co., Inc.Inventors: Edward J. Cragoe, Jr., John B. Bicking