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Class 564/205 - Process which includes forming the unsaturation


Subclass of Class 564 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein unsaturation is introduced into the carboxylic
No. of patents: 40
Last issue date: 10/09/2007


NumberTitleIssue Date
7279597Phenyl amine carboxylic acid compounds and compositions for delivering active agents
Phenyl amine carboxylic acid compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well. ...
10/09/2007
7183432Synthesis of ynamides
A method of synthesizing diacetylenic amides is described. The key steps of the invention include the reaction of an aldehyde with the monoanion of a diacetylene and the reductive removal of a propargylic alcohol. The invention offers the first known method of synth...
02/27/2007
7157603Method for the separation of oligomeric N-substituted (meth)acrylamide compounds and conjugates thereof which are reversibly thermally precipitating
The method of separating reversibly thermally precipitable oligomeric N-substituted (meth)acrylamides and conjugates thereof from aqueous solution includes thermally precipitating the oligomeric N-substituted (meth)acrylamides and the conjugates thereof from an aque...
01/02/2007
7129274Phenoxy carboxylic acid compounds and compositions for delivering active agents
Phenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well. ...
10/31/2006
6967250Energy transfer dyes
Energy transfer dyes, their preparation, and their use as labels in biological systems is disclosed. The dyes are preferably in the form of cassettes which enable their attachment to a variety of biological materials. The dyes and the reagents that can be made from ...
11/22/2005
6960355Compounds and compositions for delivering active agents
Modified amino acid compounds useful in the delivery of active agents are provided. Methods of administration and preparation are provided as well. ...
11/01/2005
6750368Process for preparing sulphuric methacrylamide and device for implementing it
The present invention relates to a process for preparing sulphuric methacrylamide. The process can include adding sulphur trioxide and a second part of acetone cyanohydrin without sulfuric add to a reaction medium, after a first part of acetone cyanohydrin with sulp...
06/15/2004
6562963Process 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 wi...
05/13/2003
6552226Tandem acyl-Claisen rearrangement in the preparation of chiral products
A novel tandem acyl-Claisen rearrangement reaction is provided. An allylic reactant such as an allylic amine or an allylic thioether, having at least two functional groups that enable the reactant to undergo at least two successive Claisen rearrangement r...
04/22/2003
6506939Production of acrylic monomers
A process for the preparation of a mixture comprising a compound of formula (1) and a compound of formula (2) ##STR1## wherein R1 is an optionally substituted C1-20 alkyl, optionally substituted C3-4 alkenyl, optionally su...
01/14/2003
6166253Process for producing N-(1-alkoxyethyl)carboxylic amides
A process for producing N-(1-alkoxyethyl)carboxylic amides by reacting alcohols of 1-5 carbon atoms with N-vinylcarboxylic amides in the presence of an acidic catalyst, or by utilizing unreacted starting material, unreacted intermediate or unrecovered pro...
12/26/2000
5852214Process for producing n-(1-alkoxyethyl) carboxylic amides
A process for producing N-(1-alkoxyethyl)carboxylic amides by reacting alcohols of 1-5 carbon atoms with N-vinylcarboxylic amides in the presence of an acidic catalyst, or by utilizing unreacted starting material, unreacted intermediate or unrecovered pro...
12/22/1998
5723665Ethenyl amide compound production process
A process for producing an ethenyl amide compound, which comprises reacting a Schiff base compound having a carbon atom adjacent to a carbon atom constituting an imino group and at least one hydrogen atom on the carbon atom with an acylhalide at a reduced...
03/03/1998
5587515Method of manufacturing N-monosubstituted (meth)acrylamides
A process for producing N-monosubstituted acrylamides in high yields without forming by-products. The process comprises preparing a ଲ-dialkylamino-(methyl)propionic ester by the reaction of a (meth)-acrylic ester with a specified dialkylamine, conve...
12/24/1996
5567716Trans and cis traumatic acid salts having cicatrizant activity associated to bacteriostatic, antiviral, antibiotic or antifungal activity
Traumatic acid salts, wherein B is a cation selected from: a) a quaternary ammonium, b) a cation of a linear or branched C1 -C20 mono-, di- or trialkanolamine, c) a cation of a biologically active primary, secondary or tertiary amine, d) silve...
10/22/1996
5538998Halopropiolamide compound, production and use thereof
There are provided with a novel N-substituted-3-halopropiolamide compound, a method of producing the compound, and a composition for controlling noxious organisms containing the compound. The present compound exhibits superior antimicrobial and antifungal...
07/23/1996
5312984Amidation of vinyl chloride with dimethylamine using a supported palladium catalyst
A continuous process for making N,N-dimethylacrylamide (NNDMA) is disclosed which uses a commodity chemical, namely vinyl chloride (VCl), which is amidated with dimethylamine (DMA) and carbon monoxide in the presence of a supported palladium(O) triorganop...
05/17/1994
5180851Preparation of N-(l-alkoxyalkyl)formamide and alkylidene bisformamides using amine neutralized ion exchange resins
This invention relates to an improved process for the formation of N-(l-alkoxyalkyl)amides with coproduction of alkylidene bisamides. The N-(l-alkoxyalkyl)formamides of this invention are prepared by reacting formamide with an acetal or hemiacetal carboxy...
01/19/1993
5177264Process for preparing an N-substituted (meth)acrylamide derivative
An N-substituted dialkylacetal (meth)acrylamide of formula II: ##STR1## wherein n represents 3 or 4; R1 represents hydrogen or methyl; and R2 represents an alkyl of 1 to 3 carbon atoms is prepared by thermally decomposing an ami...
01/05/1993
5166434Process for the preparation of aromatic-substituted unsaturated amides
A process is disclosed for preparing aromatic-substituted unsaturated amides. The process comprises treating a compound of the formula ##STR1## where Ar is C6 to C10 aryl unsubstituted or substituted with at least one halo, amin...
11/24/1992
5159113Process for the palladium-catalyzed amidation of vinyl chloride
A unique two-step process is disclosed for the surprisingly high rate of amidation of vinyl chloride (VCl) with carbon monoxide and certain amines catalyzed by an effective amount of monodentate tertiary phosphonium complexes of Pd(0). The rate is orders ...
10/27/1992
4933449Preparing 3-(4 chlorophenyl)-3-(3,4-dimethoxyphenyl) acrylic acid morpholide in the presence of potassium tert-butylate
The invention provides a process for the preparation of 3,3-diaryl acrylic acid amides of the formula ##STR1## in which A, B and Q are as defined in the specification, characterized by condensing a compound of formula ##STR2## with a compou...
06/12/1990
4898977Processes for the preparation of 5-amino-4-hydroxyvaleric acid derivatives
The invention relates to novel processes and intermediates for the preparation of 5-amino-4-hydroxyvaleric acid derivatives of the formula ##STR1## in which R1 represents hydrogen, optionally substituted alkyl, cycloalkyl, cycloalkyl-lower...
02/06/1990
4835312Production process of N-substituted amide compounds
An N-substituted amide compound is produced with a high yield by initiating a reaction among a starting amide compound such as a saturated or unsaturated, aliphatic or aromatic carboxylic acid amide, a halogen-substituted compound such as an alkyl halide ...
05/30/1989
4644083Process for the production of N-substituted ଱,ଲ-unsaturated carboxylic acid amides
The present invention relates to a process for the production of N-substituted ଱,ଲ-unsaturated carboxylic acid amides, which proceeds from the ଱,ଲ-unsaturated carboxylic acid amide that is unsubstituted at the amido nitrogen, which...
02/17/1987
4605740Process for the production of N-substituted acrylic acid amides
The present invention relates to a process for the production of N-substituted acrylic acid amides by conversion of 2-carboalkoxy-t-oxabicyclo(2,2,1)hept-5-enes with primary or secondary amines to 2-carboxamide-7-oxabicyclo(2,2,1)hept-5-enes and the therm...
08/12/1986
4570018Fluorocyclopropanes
A novel chemical, fluorochlorocyclopropane (I) of the following formula: ##STR1## is prepared by the addition of fluorochlorocarbene to the corresponding olefin (II) of the following formula: The compound is a useful intermediate for synthesizing some che...
02/11/1986
4565889Process for the production of N-(3-dimethylaminopropyl)methacrylamide
N-(3-dimethylaminopropyl)methacrylamide is prepared by the non-catalytic pyrolysis of N-(3-dimethylaminopropyl)-3-dimethylaminopropyl-2-methyl propionamide in a closed reactor. The N-(3-dimethylaminopropyl)methacrylamide is not removed from the reaction ...
01/21/1986
4554377Production of N-vinyl carboxylic acid amides
The invention relates to the preparation of N-଱-alkoxyethyl-carboxylic acid amides from dimethyl acetal and a carboxylic acid amide such as acetamide and to the preparation of secondary N-vinyl carboxylic acid amides such as N-vinyl acetamide t...
11/19/1985
4408073Process for preparation of ଱, ଲ-unsaturated N-substituted-carboxylic acid amides
The invention relates to a process for the preparation of ଱, ଲ-unsaturated N-substituted carboxylic acid amides, novel ଱, ଲ-unsaturated N-substituted carboxylic acid amides, a process for the polymerization of these novel ଱, ...
10/04/1983
4347379Synthesis of alpha-alkoxycarboxylic acids
Numerous alpha-carboxylic acids are prepared in a liquid medium by the reaction of an organic compound having at least one reactive hydroxyl or thiol group, with a monoketone, and a haloform, in the presence of a phase transfer catalyst and an alkali meta...
08/31/1982
4330482Process for the preparation of halogenoalkenes
In the process for the production of a halogenoalkene of the formula ##STR1## in which R1 is an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aralkyl, aralkenyl or aryl radical or an optionally substituted heter...
05/18/1982
4312998Method for making N-substituted acrylamides
The invention relates to a process for the preparation of N-substituted acrylamides of the general formula ##STR1## wherein Y denotes a bivalent straight - or branched chain radical with 2 to 30, preferably 2 to 18, and particularly 2 to 6 carbon ato...
01/26/1982
4302584Preparation of 3,3-dimethyl-pent-4-enoic acid amides
A process for the preparation of 3,3-dimethyl-pent-3-enoic acid amides of the formula I ##STR1## where R1 and R2 may be identical or different and each is alkyl of 1 to 4 carbon atoms, or R1 and R2 together...
11/24/1981
4287363Preparation of N-(alkylaminoalkyl)acrylamides
A catalytic process for the preparation of N-(alkylaminoalkyl)acrylamides is disclosed which comprises subjecting a corresponding ଲ-aminopropionamide to a temperature of about 100°-250° C. in presence of a catalyst comprising a magnesium, calcium ...
09/01/1981
4286105Process for the preparation of antioxidant amides
An inexpensive and nonhazardous process for the preparation of an amide wherein an organic acid reacting with an aryl amine to form an intermediate hydroxy aryl amide and then dehydrating the hydroxy aryl amide to form a ଱, ଲ unsaturated amide...
08/25/1981
4267372Preparation of N-substituted acrylamide monomers having cationic substituents
Reaction of a beta-aminopropionamide with an acrylic acid or its derivative provides an N-substituted acrylamide monomer having cationic substituents attached thereto. The instant reaction occurs under mild processing conditions at a temperature between a...
05/12/1981
4237067Process for the manufacture of ଱,ଲ-unsaturated N-substituted carboxylic acid amides
Process for the manufacture of ଱,ଲ-unsaturated N-substituted carboxylic acid amides of the general formula ##STR1## in which R1 represents H or CH3 R2 represents H or CH3, and Y represents a divalent...
12/02/1980
4147718Method for making methacrylic acid, its nitrile and its esters
In the method of making a compound of the formula ##STR1## wherein X is carboxyl, a carboxylic acid ester group --COOR2, or cyano, by reaction of a compound of the formula CH3 CH2 X with methylal in the presence of a ...
04/03/1979
4031138Stable substituted acrylamides or methacrylamides
Covers a new composition of matter comprising a stable N-(ω-monoalkylaminoalkyl) acrylamide or methacrylamide monomer characterized by the following structural formula: ##STR1## where R1 and R2 are hydrogen or methyl, R3
06/21/1977
 
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