N-Carbomethoxy-N-methoxy-(2-chloromethyl)-anilines, their preparation and their use as precursors for preparing 2-(pyrazol-3'-yloxymethylene)-anilides
申请人:Dochnahl Maximilian
公开号:US20130005986A1
公开(公告)日:2013-01-03
The present invention relates to N-carbomethoxy-N-methoxy-(2-chloromethyl)-aniline compounds of the formula I, wherein: n is 0, 1, 2 or 3, each R
1
is independently selected from halogen, C
1
-C
4
-alkyl, C
1
-C
4
-haloalkyl, C
1
-C
4
-alkoxy or C1-C4-haloalkoxy. The invention also relates to processes and intermediates for preparing such compounds of formula I. The invention furthermore relates to processes for preparing 2-(pyrazol-3′-yloxymethylene)-anilides in which compounds of formula I are applied as precursors.
[EN] N-CARBOMETHOXY-N-METHOXY-(2-CHLOROMETHYL)-ANILINES, THEIR PREPARATION AND THEIR USE AS PRECURSORS FOR PREPARING 2-(PYRAZOL-3'-YLOXYMETHYLENE)-ANILIDES<br/>[FR] N-CARBOMÉTHOXY-N-MÉTHOXY-(2-CHLOROMÉTHYL)-ANILINES, LEUR PRÉPARATION ET LEUR UTILISATION À TITRE DE PRÉCURSEURS POUR PRÉPARER DES 2-(PYRAZOL-3'-YLOXYMÉTHYLÈNE)-ANILIDES
申请人:BASF SE
公开号:WO2011113884A1
公开(公告)日:2011-09-22
The present invention relates to N-carbomethoxy-N-methoxy-(2-chloromethyl)-aniline compounds of the formula I, wherein: n is 0, 1, 2 or 3, each R1 is independently selected from halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4- alkoxy or C1-C4-haloalkoxy. The invention also relates to processes and intermediates for preparing such compounds of formula I. The invention furthermore relates to processes for preparing 2-(pyrazol-3'-yloxymethylene)-anilides in which compounds of formula I are applied as precursors.
N-Heterocyclic Carbene-Catalyzed Synthesis of 2-Aryl Indoles
申请人:Northwestern University
公开号:US20150315143A1
公开(公告)日:2015-11-05
Transition metal-free catalytic methods for access to 2-arylindole compounds.
无过渡金属催化方法用于合成2-芳基吲哚化合物。
Process for phenylacetic acid derivatives
申请人:Acemoglu Murat
公开号:US20080249318A1
公开(公告)日:2008-10-09
A process for the production of a compound of Formula I, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable prodrug ester thereof,
comprising cleaving a lactam of formula II
wherein the symbols are as defined, with a base; and precursors therefor and processes for the preparation of the precursors. The compounds of Formula I are pharmaceutically active compounds which are selective inhibitors of Cyclooxygenase II.
[EN] PROCESS FOR MAKING ANAGRELIDE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ANAGRÉLIDE
申请人:SYNTHON BV
公开号:WO2014139572A1
公开(公告)日:2014-09-18
The present invention relates to an improved process for making anagrelide of formula (1), or an acid addition salt thereof, including any hydrated or solvated form thereof, comprising reacting a compound of formula (3), or an acid addition salt thereof, (3), wherein R is a C1-C4 alkyl group, with chloroformamidine hydrochloride of formula (8), in an inert solvent, followed by treatment of the reaction mixture with a base.