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| Number | Title | Issue Date |
| 7351854 | Method of manufacturing 1-chloro-2-methyl-4-acyloxy-2-butene derivatives 1-Chloro-2-methyl-4-acyloxy-2-butene derivatives can be synthesized in good yields and high purity starting from isoprene and employing a chlorohydrin formation reaction in a system made of N-chloroisocyanuric acid derivatives and water, followed by esterification a... | 04/01/2008 |
| 7342124 | Synthetic techniques and intermediates for polyhydroxy dienyl lactones and mimics thereof Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided. ... | 03/11/2008 |
| 7241928 | Process for the manufacture of halocarbons and selected compounds and azeotropes with HF A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR1R2CBR3R4 (where A, B, R1, R2, R3, and R4 are as defined in the specification) whic... | 07/10/2007 |
| 7000991 | Vehicular seat There is provided a vehicular seat capable of achieving smooth sliding motion. A first slider is formed by connecting center rails, on an outside of inner rails to each other by brackets, and a second slider, having a seat, is formed by connecting outer rails to eac... | 02/21/2006 |
| 6552219 | Process for the preparation of vitamin a, intermediates, and process for the preparation of the intermediates There are provided a dihalogen derivative represented by formula (2): ##STR1## wherein X represents a halogen atom and R2 represents a protective group for a hydroxyl group; a process for producing the same; and a process for producing vitamin ... | 04/22/2003 |
| 6472555 | Process for the production of esters from alcohols using acetic acid as acetylating and clays as catalysts The present invention relates to a process for the preparation of esters from alcohols using acetic acid as acetylating agent and clays as catalysts, which comprises the preparation of esters in a single step from the reaction of aliphatic, acyclic, cycli... | 10/29/2002 |
| 6376700 | Alicyclic compound An alicyclic compound of the formula (1) is disclosed: ##STR1## wherein R1 and R2 each independently is a hydroxyl group, a C1-8 hydroxyalkyl group, or a C3-8 hydroxycycloalkyl group; R3, R4 | 04/23/2002 |
| 6348623 | Polymers of 3-butene esters, their preparation and use The specification describes various polymers having monomer of formula (I): ##STR1## In formula (I), R1 and R2 are, independently, hydrogen, a C1 -C24 alkyl group, an aromatic or heteroaromatic group, a C3 -C8 c... | 02/19/2002 |
| 6348622 | Vitamin a related compounds and process for producing the same There is provided a compound of the formula[I]: ##STR1## wherein R represents a hydrogen atom or a protective group for a hydroxyl group; and A represents a hydrogen atom, a halogen atom or a group of the formula A1: ##STR2## Q represents Q3: ##STR3#... | 02/19/2002 |
| 6307044 | Process for the preparation of macrocyclic metalloprotease inhibitors The present invention is directed to a process for the preparation of a compound of formula (X-a): ##STR1## or a pharmaceutically acceptable salt form thereof, wherein: R1 is selected from the group consisting of: C1-5 alkyl substituted w... | 10/23/2001 |
| 6300515 | Process for the isomerization of allylic compounds The invention provides a process that includes isomerizing at least one allylic substrate having an acyloxyl group or a hydroxyl group at the allyl position thereof, to produce a corresponding allylic isomer, wherein the isomerizing is conducted in the pr... | 10/09/2001 |
| 6124270 | Use of a cationic amphipathic compound as a transfection agent, vaccine additive or drug A cationic amphipathic compound of formula (I), ##STR1## wherein A is a single bond, an NH--R' grouping or (a), wherein --R'-- is a straight or branched, optionally substituted, saturated or unsaturated C1-22 aliphatic chain optionally int... | 09/26/2000 |
| 6111130 | Process for the preparation of trifluoromethyl containing derivatives The present invention relates to a process for the preparation of trifluoromethylated derivatives of the formula CF3 CCl.dbd.CHCH2 OC(.dbd.O)R, wherein R is unsubstituted or substituted C1 to C6 straight chain o... | 08/29/2000 |
| 6018075 | Process for the manufacture of a γ -acetoxy-tiglic aldehyde A process for the manufacture of a γ-acetoxy-tiglic aldehyde by reacting a γ-bromotiglic aldehyde or a γ-chlorotiglic aldehyde with sodium acetate or potassium acetate in an organic solvent in the presence of a phase transfer catalyst.... | 01/25/2000 |
| 5959058 | Coatings based on fluoropolyethers Use of fluorinated polymers based on fluoropolyethers for the preparation of crosslinkable high dry formulations comprising a fluorinated part RF and optionally an hydrogenated part RH, not containing groups capable of linking by mea... | 09/28/1999 |
| 5675040 | Process for the preparation of sulphones The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formula X--(CH2 --CH2 --O)m --(CH2)n --SO2 | 10/07/1997 |
| 5654473 | Intermediates for the synthesis of trifluoromethylated organic compounds Novel trifluoromethylated intermediates are provided which are useful in synthesizing trifluoromethylated organic compounds. Specifically, compounds of the formula CF3 CCl.dbd.CHCH2 X are provided, which compounds are versatile inter... | 08/05/1997 |
| 5527952 | Process for producing aldehyde derivatives The present invention provides a novel process for producing 4-acyloxy-2-methyl-2-buten-1-al readily in high yield from a readily available inexpensive industrial starting compound without using special reaction apparatuses and conditions.... | 06/18/1996 |
| 5399724 | Acyclic terpene compound Novel acyclic terpene compounds useful as intermediates for producing sarcophytol A which have an anti-carcinogenic promotor activity and anti-tumor activity, which compounds are shown by the following general formula (I): ##STR1## [wherein R | 03/21/1995 |
| 5380936 | Process for preparing 4-amino-5-hexenoic acid This invention relates to a novel synthesis of 4-amino-5-hexenoic acid by thermal rearrangements, and to the novel intermediates produced thereby.... | 01/10/1995 |
| 5206442 | Manufacturing of ,ଲ-unsaturated aldehydes and ketones The preparation of ,ଲ-unsaturated aldehydes and ketones I O.dbd.C(R1)--CR2 .dbd.CR3 R4 I is carried out by acid hydrolysis of cyclic ,ଲ-unsaturated acetals II ##STR1## in the ... | 04/27/1993 |
| 5155254 | Substituted diones as intermediates for a process for the manufacture of γ-pyrones A process for the manufacture of 3-hydroxy-2-alkyl-4-pyrones of formula I is provided. ##STR1## The process comprises cyclizing a compound of formula II, ##STR2## an acidic medium and hydrolyzing the ester formed thereby to produce compound... | 10/13/1992 |
| 5149843 | Conjugated diene compounds Conjugated diene compounds of the general formula: ##STR1## which are industrially advantageous intermediates for preparing sarcophytol A useful as an anticarcinogenic promotor or antitumor agent are provided.... | 09/22/1992 |
| 5095134 | Thermochromic diacetylene ethers containing ester or urethane groups This application relates to monomers and homopolymers of diacetylenic ethers having the formula ##STR1## wherein X is alkyl, alkenyl, aryl, alkaryl, aralkyl, aralkenyl, monoalkylamino or dialkylamino and Y is alkyl, alkenyl or ##STR2## wher... | 03/10/1992 |
| 5011943 | FK-506 C10 -C24 process intermediates A process is described for the improved synthesis of the optically pure C10 -C24 fragment of the macrolide structure of the immunosuppressant FK-506. This compound is also useful as an intermediate for preparing FK-506 derivatives.... | 04/30/1991 |
| 5008126 | Long chain diol diesters as low calorie fat mimetics Long chain diol diesters, notably 11- to 30- carbon aliphatic chains having two vicinal fatty acid esters or dicarboxylate-extended fatty acid esters, or two fatty acid esters of dicarboxylate-extended fatty acid esters separated by one or two methylene g... | 04/16/1991 |
| 4999454 | Process for the preparation of trichloromethyl carbinols The invention is directed to a new process for the preparation of carbinols of the general formula I ##STR1## by reaction chloral and olefins of the general formula ##STR2## and by optional acylation of the product comprising dissolving a cataly... | 03/12/1991 |
| 4965376 | 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function 3,9-Dihydroxynonyne and its derivatives protected at the 9-OH function, of the general formula I ##STR1## where R is hydrogen or a conventional alcohol protective group, and processes for the preparation of the compounds I.... | 10/23/1990 |
| 4943396 | Process for preparing linear alpha, omega difunctional molecules The present invention relates to a process for preparing linear alpha, omega difunctional molecules by a process which comprises isomerizing olefins having at least one terminal functional group to form a mixture of functionalized olefinic isomers and met... | 07/24/1990 |
| 4943397 | Metathesis of functional olefins The present invention relates to a process for metathesizing an olefin having at least one terminal functional group which comprises contacting said olefin at metathesis conditions with a catalyst comprising: (a) a transition metal selected from tungsten,... | 07/24/1990 |
| 4902334 | Regulation of plant metabolism by alpha, beta-or beta, gamma-unsaturated carboxylic acids or derivatives thereof A plant metabolism regulating agent comprising as an active ingredient an alpha,beta or beta,gamma-un-saturated carboxylic acid or its derivative. It is useful for controlling the metabolism of a plant, facilitating the growth of a beneficial plant such a... | 02/20/1990 |
| 4877891 | 1,1-dialkoxy- or 1,1-(alpha, omega-methylenedioxy)-non-2-yn-9-01 and their OH-protected derivatives 1,1-dialkoxy- or 1,1-(,ω-methylenedioxy)-non-2-yn-9-ol and their OH-protected derivatives of the general formula I ##STR1## where R1 and R2 are each C1 -C6 -alkyl or together form an alkylene chain ... | 10/31/1989 |
| 4877899 | Novel compositions Sulfur-substituted alkenyl compounds, synthesis thereof, intermediates therefor, and the use of the compounds to control pests.... | 10/31/1989 |
| 4845119 | Alkene, alkyne or cycloalkylene derivatives A compound of the formula ##STR1## wherein X has the formula --CR5 .dbd.CR6 --, --C.tbd.C-- or ##STR2## wherein ring A is phenyl, naphthyl or heterocyclic; wherein R1 is hydrogen, alkyl, alkanoyl or aroyl; wherei... | 07/04/1989 |
| 4843171 | 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes 1,1-Dialkoxy-2-methyl-4,4-diacyloxy-2-butenes having the general structure: ##STR1## in which R1 represents alkyl substituents having from 1 to 5 carbon atoms, or both R1 substituents together represent a single ethylene or prop... | 06/27/1989 |
| 4818442 | Disproportionation process A process for the disproportionation of olefins comprising contacting said olefins under suitable reaction conditions with a neutral-carbene complex catalyst and then using anhydrous ammonia to effect separation of the catalyst and the organic products.... | 04/04/1989 |
| 4812582 | Process for preparing aldol intermediates This invention pertains to a new method for killing and controlling worms (Helminths), new formulations for killing and controlling worms in animals, new chemical compounds, and a new synthesis of northern hemisphere intermediates for the synthesis of mil... | 03/14/1989 |
| 4808572 | -Hydroxy thioethers Novel asymmetric thioethers of the formula ##STR1## in which the general symbols have the following meanings: a is an integer of from 1 to 7, Ro represents hydrogen or C1-7 -alkanoyl, R1 represents C1-3 -alkyl w... | 02/28/1989 |
| 4806679 | Isomerization of diacyloxybutenes 1,4-Diacyloxybut-2-enes and 3,4-diacyloxybut-1-enes are converted into one another in the gas phase or liquid phase at from 100° to 350° C. under atmospheric or superatmospheric pressure in the presence of a zeolite as a catalyst.... | 02/21/1989 |
| 4782173 | Synthesis of methionine hydroxy analog or derivative, and esters thereof; synthesis of 1-acyloxy-4-hydrocarbylthiopropene, and products Discloses (1) reacting a 3-(hydrocarbylthio) propionaldehyde with a compound ##STR1## (2) reacting latter compound with CO and R"YH where y is O or S to make (3) hydrolyzing this compound; (4) certain new 1-acyloxy-3-methylthiopropenes and (5) t... | 11/01/1988 |
