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Matches 1 - 50 out of 3,618

Document Document Title
WO/2021/055195A1
A latent base catalyst and compositions and methods involving latent base-catalyzed Michael addition reaction are described herein. The described latent base catalyst is a substituted carbamate salt. The compositions described herein are...  
WO/2021/052353A1
The present invention relates to the technical field of enzyme inhibitors, and relates in particular to a hydroxamic acid derivative, a preparation method therefor and an application thereof. The hydroxamic acid group in the hydroxamic a...  
WO/2021/036256A1
The present application is suitable for use in the technical field of drug synthesis, and provides a method for synthesizing an HIV protease inhibitor intermediate compounds. The method comprises subjecting compound 1a to an asymmetric t...  
WO/2021/027237A1
The present invention relates to a method for preparing a supercritical carbon dioxide thickener for the exploitation of tight oil and gas reservoirs. The method can solve the problem of oil and gas deposits being damaged as a result of ...  
WO/2021/002407A1
Provided is a novel production method by which a fluoroalkyl group-containing compound can be efficiently synthesized. This method is for producing a compound represented by general formula (3) (Rf represents a C1-30 alkyl group substi...  
WO/2021/002408A1
The present invention provides a peptide having a fluoroalkyl group as a side chain. The present invention is a method for manufacturing a fluoroalkyl-group-containing peptide in which a compound represented by general formula (6-2) or (...  
WO/2020/264474A1
The present invention is directed to a compound of formula I, as shown in claim 1, wherein R1 comprises hydrogen, an alkyl group, or an aryl group; R2 comprises hydrogen or a methyl group; R3 comprises a divalent organic group; R4 compri...  
WO/2020/262258A1
A method for producing a peptide compound including a step that uses a condensed polycyclic aromatic hydrocarbon compound represented by formula (1), a reagent for forming a protecting group that includes the compound, and the compound. ...  
WO/2020/252713A1
The present invention relates to the preparation of a hydrophobic medicinal auxiliary material and a drug-loaded fat emulsion, and in particular to a hydrophobic auxiliary material with the structural formula as shown below, wherein R is...  
WO/2020/212510A1
The present invention is directed to methods for the asymmetric synthesis of esketamine. The present invention is further directed to key intermediates in the asymmetric esketamine synthesis. In one embodiment, the invention is an asymme...  
WO/2020/210485A1
Disclosed are processes for preparing α-carboxamide pyrrolidine derivatives, in particular (2S,5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carbo xamide, and intermediates for use in said processes along with processes for prepari...  
WO/2020/207129A1
Disclosed is an ammonium salt with a structural formula represented by formula (I). A synthesis method thereof comprises using 8 mol% zinc chloride as a catalyst, 5 mmol of 1-phenyl-1,3-butanedione, 1.2 g of benzylamine, and 40 mL of chl...  
WO/2020/210486A1
The disclosure provides processes for preparing α-carboxamide pyrrolidine derivatives, in particular (2S, 5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carboxami de, as well as intermediates for use in said processes.  
WO/2020/206148A1
A system and method for the collection of carbon dioxide is disclosed. The system includes a liquid sorbent that is a carbon dioxide sorbent, and a plurality of conduits. Each conduit has a hollow interior enclosed by a conduit wall. The...  
WO/2020/196553A1
The purpose of the present invention is to provide a method that enables efficient and safe production of an N-substituted trihaloacetamide which also serves as a synthetic intermediate for isocyanate compounds, carbamate compounds, urea...  
WO/2020/189540A1
The present invention provides a method for efficiently preparing various optically active aromatic amino acid derivatives by performing a reaction, in the presence of a catalyst, on a specific ester compound by using an aromatic halide ...  
WO/2020/178776A1
A process for obtaining {{6-[(diethylamino)methyl]naphthalen-2-yl}methyl [4- (hydroxycarbamoyl)phenyl]carbamate and/or pharmaceutically acceptable salts thereof having high purity is described. This process allows to obtain a product hav...  
WO/2020/165338A1
The invention pertains to a process for manufacturing ethyleneamine compounds selected from the group of ethyleneamines and hydroxyethylethyleneamines wherein the process comprises two reaction sequences, the first reaction sequence comp...  
WO/2020/148780A1
The present invention provides a process for preparation of 4,4,4- trifluorobut-2-en-1-ol from alkyl 4,4,4-trifluorobut-2-enoate and also provides one step process for preparation of alkyl 4,4,4-trifluorobut-2-enoate from corresponding h...  
WO/2020/137545A1
A method for producing an amide, wherein after causing a dehydration condensation of carboxylic acids or a reaction between a carboxylic acid and a halogenated formic acid ester, a first base is reacted therewith and an amine is reacted ...  
WO/2020/127380A1
Described herein is a dental composition containing a polymerizable compound having at least one optionally derivatized β-hydroxy urethane unit. The polymerizable compound having at least one optionally derivatized β-hydroxy urethane u...  
WO/2020/114150A1
A synthesis method for a carbamate using dimethyl sulfoxide ylide, amine and carbon dioxide is provided. The carbamate is obtained by adding dimethyl sulfoxide ylide, an amine and a solvent into a pressure reactor, then adding a catalyst...  
WO/2020/104484A1
The present invention relates to the synthesis of N-trifluoromethylcarbonyl compounds starting from isothiocyanates, which can be converted into N-trifluoromethylcarbamoyl fluorides or similar compounds, which later on can be derivatized...  
WO/2020/095983A1
It was discovered that a cyclic sulfamidate could be produced by reacting an aminoacid derivative with a cyclization reagent. In addition, it was discovered that an O-substituted serine derivative could be produced by reacting the cyclic...  
WO/2020/097091A1
Method are disclosed for synthesizing derivatives of acyl-para-aminophenol and for the use of the compounds for treating lymphomas and tumors of the brain and spinal cord.  
WO/2020/063399A1
Provided is a method for the light-induced decarboxylation coupling of an active carboxylic acid ester under non-metal catalysis, the method comprising the steps of reacting an active carboxylic acid ester compound represented by formula...  
WO/2020/067577A1
Provided is a synthesis method comprising a first step of producing a carbonate compound from carbon monoxide and an alcohol-based compound at an anode of a first electrochemical cell comprising a cathode and the anode, and a second step...  
WO/2020/059768A1
The present invention provides a halogen compound that can be advantageously used for production of a 1,1-disubstituted hydrazine compound and preparation of a polymerizable compound. A compound according to the present invention is repr...  
WO/2020/040049A1
This composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), wherein the contained amount of the compound (B) is 0.00002-2.0 parts by mass with respect to 100 parts by...  
WO/2020/040048A1
This composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), wherein the contained amount of the compound (B) is 0.00002-0.2 parts by mass with respect to 100 parts by...  
WO/2020/040050A1
Provided are: a composition that has excellent stability during storage and excellent stability during use; and a production method for the composition. The composition according to the present invention includes a compound (A) represent...  
WO/2020/040045A1
Provided are: a composition that has excellent stability during storage and excellent stability during use; and a production method for the composition. This composition includes a compound (A) represented by general formula (1), and a c...  
WO/2020/030931A1
The invention relates to a method of functionalising a diacetylene compound of formula (II) to form a diacetylene compound of formula (I): wherein x is from 1 to 20; Q is selected from an amide having the formula (IV) and an ester having...  
WO/2020/008340A1
The present technology provides a process for selectively preparing an (E)-(2- (chloromethyl)-3-fluoroallyl)carbamate compound by refluxing an (E/Z)-(2-(chloromethyl)- 3-fluoroallyl)carbamate compound in an organic solvent, followed by c...  
WO/2019/243087A1
The present invention relates to a process for the preparation of Droxidopa by means of an improved enzymatic reduction of a compound of formula (II): (II), wherein R1, R2 is independent hydrogen, acetyl, R3 is hydrogen, a C1-C4 linear o...  
WO/2019/221210A1
Provided are a method for producing a carbamate, said method comprising the following steps (1) and (2), etc.: (1) a step for producing compound (A) having a urea bond by using an organic primary amine having at least one primary amino g...  
WO/2019/221192A1
The present invention provides a method for producing an amino acid aminoalkyl ester or an inorganic acid salt thereof by reacting a compound represented by general formula (I) or a compound represented by general formula (III), or a sal...  
WO/2019/219942A1
Provided is a process for producing an amine via a hydroaminoalkylation reaction of a non-aromatic C-C double bond or C-C triple bond, said process comprising a step of reacting a compound comprising a non-aromatic C-C double bond or C-C...  
WO/2019/197638A1
The present invention relates to urethane, thiourethane and urea adducts of tertiary amines and the use thereof as catalysts for the crosslinking of aliphatically, cycloaliphatically, araliphatically or aromatically bonded isocyanate gro...  
WO/2019/198023A1
Subject-matter of the present invention is a process for the preparation of optically active phenyl-beta-amino alcohols by means of a specific reduction of the corresponding phenyl-beta-amino ketones. Further subject-matter of the invent...  
WO/2019/185877A1
The invention relates to a method for the preparation of a 4,5-dihydroxyisoleucine derivative comprising the steps of asymmetric Claisen rearrangement of a Z-aminocrotyl-glycin ester and subsequent kinetic resolution of the product diast...  
WO/2019/185608A1
The present invention relates to a catalyst for preparing carbamates, in particular aromatic carbamates, comprising a binary oxide having the formula Li_xMx02, wherein 1. is a metal selected from the lanthanoid series and M is a metal se...  
WO/2019/131855A1
Provided is a method for collecting a compound represented by general formula (III) (in the formula, R31 is a monovalent to trivalent organic group and n31 is an integer 1-3) from a liquid phase component that is formed as a by-product i...  
WO/2019/125826A1
Disclosed herein are amino acid carbamate complexes, methods of synthesis thereof, oral care compositions comprising the same, and methods of making and using thereof.  
WO/2019/121215A1
The present invention relates to flame-retarded rigid polyurethane foams and rigid polyurethane/polyisocyanurate foams (also referred to individually or collectively hereinbelow as "rigid PUR/PIR foams") comprising triurethane triols (al...  
WO/2019/107818A1
The present invention relates to a method for directly producing a dicarbamate compound from a diamine compound, and more particularly, to a method for directly producing a dicarbamate compound by using a Pd/MOx catalyst, in which a meta...  
WO/2019/108542A1
Processes for preparing acetylated amphetamine derivatives and, in particular, processes for preparing L-lysine-D-amphetamine dimesylate from D-amphetamine salts.  
WO/2019/091975A1
The present invention relates to a method for the synthesis of cyclic depsipeptides, in particular emodepside, from the open form.  
WO/2019/084740A1
Disclosed is a method for preparing a Glecaprevir synthetic intermediate. An epoxy cyclopentane is used as a starting material to carry out a ring opening reaction to form 2-hydroxy-1-propenyloxycyclopentane, the same being acetylated to...  
WO/2019/073484A1
The present invention provides a method for fixing carbon dioxide gas as a carbonyl compound represented by formula (3) as depicted by Figure 1 and comprising, purging of carbon dioxide in a solution of a nucleophile represented by the f...  

Matches 1 - 50 out of 3,618