Patent classifications
C07C45/004
Ketamine flow synthesis
The invention provides a method for synthesizing a compound of formula ##STR00001##
wherein each R independently represents an optionally substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy, acyl, carboxyl, hydroxyl, halogen, amino, nitro, cyano, sulfo or sulfhydryl group, in ortho, meta or para position to the cycloalkylamine moiety; R.sup.1 and R.sup.2 each independently represents a hydrogen atom, a lower alkyl group or a cycloalkyl group; R.sup.3 represents a hydrogen group, substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy group; Y represents an oxygen atom, a sulfur atom, a NH group, a NR.sup.4 group or a CH.sub.2 group; R.sup.4 represents a hydrogen atom or an alkyl, aryl or a heteroaryl group; and n and m each independently represents an integer from 1 to 5; or a pharmaceutically acceptable salt thereof; or a precursor thereof; wherein the method comprises one or more of the following steps: (a) reacting a compound of formula (II) ##STR00002##
wherein R, R.sup.3, Y, n and m are as defined above in relation to the compound of formula (I) with an oxygenating agent, a first additive and a second additive in a solvent in a fluidic network or in a batch process under thermal and/or photochemical conditions to form a compound of formula (III): ##STR00003##
wherein R, R.sup.3, Y, n and m are as defined above in relation to the compound of formula (I), (b) reacting a compound of formula (III) with a nitrogen containing nucleophile in the presence of a third additive and/or a solvent in the fluidic network or in a batch process under thermal conditions to form a compound of formula (IV): ##STR00004##
wherein R, R.sub.1, R.sub.2, R.sub.3, Y, n and m are as defined above in relation to the compound of formula (I); and/or (c) reacting a compound of formula (IV) in a fluidic network or in a batch process, optionally in the presence of a fourth additive, under thermal conditions to form a compound of formula (I); wherein one or more of steps (a), (b) and/or (c) is carried out in a fluidic network that comprises micro- and/or meso-channels having an internal dimension of from 100 μm to 2000 μm.
PROCESSES TO PRODUCE ELAGOLIX
The present invention relates to a scalable process for the making of elagolix, its salts and the process of intermediate compounds.
PROCESSES TO PRODUCE ELAGOLIX
The present invention relates to a scalable process for the making of elagolix, its salts and the process of intermediate compounds.
Supported metal catalyst
A long-life catalyst which can be easily and inexpensively manufactured and has high activity and suppressed leakage of metal. A catalyst according to some embodiments includes: a substrate; and a first metal atom as a catalytic center. The substrate contains a non-metallic atom and a second metal atom, and the non-metallic atom is any one selected from the group consisting of a group 15 element, a group 16 element and a group 17 element.
Ketamine flow synthesis
The invention provides a method for synthesizing a compound of formula
##STR00001##
wherein each R independently represents an optionally substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy, acyl, carboxyl, hydroxyl, halogen, amino, nitro, cyano, sulfo or sulfhydryl group, in ortho, meta or para position to the cycloalkylamine moiety; R.sup.1 and R.sup.2 each independently represents a hydrogen atom, a lower alkyl group or a cycloalkyl group; R.sup.3 represents a hydrogen group, substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy group; Y represents an oxygen atom, a sulfur atom, a NH group, a NR.sup.4 group or a CH.sub.2 group; R.sup.4 represents a hydrogen atom or an alkyl, aryl or a heteroaryl group; and n and m each independently represents an integer from 1 to 5; or a pharmaceutically acceptable salt thereof; or a precursor thereof; wherein the method comprises one or more of the following steps: (a) reacting a compound of formula (II)
##STR00002##
wherein R, R.sup.3, Y, n and m are as defined above in relation to the compound of formula (I) with an oxygenating agent, a first additive and a second additive in a solvent in a fluidic network or in a batch process under thermal and/or photochemical conditions to form a compound of formula (III):
##STR00003##
wherein R, R.sup.3, Y, n and m are as defined above in relation to the compound of formula (I), (b) reacting a compound of formula (III) with a nitrogen containing nucleophile in the presence of a third additive and/or a solvent in the fluidic network or in a batch process under thermal conditions to form a compound of formula (IV):
##STR00004##
wherein R, R.sub.1, R.sub.2, R.sub.3, Y, n and m are as defined above in relation to the compound of formula (I); and/or (c) reacting a compound of formula (IV) in a fluidic network or in a batch process, optionally in the presence of a fourth additive, under thermal conditions to form a compound of formula (I); wherein one or more of steps (a), (b) and/or (c) is carried out in a fluidic network that comprises micro- and/or meso-channels having an internal dimension of from 100 m to 2000 m.
Ketamine flow synthesis
The invention provides a method for synthesizing a compound of formula
##STR00001##
wherein each R independently represents an optionally substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy, acyl, carboxyl, hydroxyl, halogen, amino, nitro, cyano, sulfo or sulfhydryl group, in ortho, meta or para position to the cycloalkylamine moiety; R.sup.1 and R.sup.2 each independently represents a hydrogen atom, a lower alkyl group or a cycloalkyl group; R.sup.3 represents a hydrogen group, substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy group; Y represents an oxygen atom, a sulfur atom, a NH group, a NR.sup.4 group or a CH.sub.2 group; R.sup.4 represents a hydrogen atom or an alkyl, aryl or a heteroaryl group; and n and m each independently represents an integer from 1 to 5; or a pharmaceutically acceptable salt thereof; or a precursor thereof; wherein the method comprises one or more of the following steps: (a) reacting a compound of formula (II)
##STR00002##
wherein R, R.sup.3, Y, n and m are as defined above in relation to the compound of formula (I) with an oxygenating agent, a first additive and a second additive in a solvent in a fluidic network or in a batch process under thermal and/or photochemical conditions to form a compound of formula (III):
##STR00003##
wherein R, R.sup.3, Y, n and m are as defined above in relation to the compound of formula (I), (b) reacting a compound of formula (III) with a nitrogen containing nucleophile in the presence of a third additive and/or a solvent in the fluidic network or in a batch process under thermal conditions to form a compound of formula (IV):
##STR00004##
wherein R, R.sub.1, R.sub.2, R.sub.3, Y, n and m are as defined above in relation to the compound of formula (I); and/or (c) reacting a compound of formula (IV) in a fluidic network or in a batch process, optionally in the presence of a fourth additive, under thermal conditions to form a compound of formula (I); wherein one or more of steps (a), (b) and/or (c) is carried out in a fluidic network that comprises micro- and/or meso-channels having an internal dimension of from 100 m to 2000 m.
SUPPORTED METAL CATALYST
A long-life catalyst which can be easily and inexpensively manufactured and has high activity and suppressed leakage of metal. A catalyst according to some embodiments includes: a substrate; and a first metal atom as a catalytic center. The substrate contains a non-metallic atom and a second metal atom, and the non-metallic atom is any one selected from the group consisting of a group 15 element, a group 16 element and a group 17 element.
Process for the preparation of 17β-hydroxy-des-A-androst-9,10-en-5-one
The present invention relates to a new process for the synthesis of 17-hydroxy-des-A-androst-9,10-en-5-one, the compound of the following formula (1), which can be used as an intermediate in the synthesis of retroprogesterones.
Process for the preparation of 17β-hydroxy-des-A-androst-9,10-en-5-one
The present invention relates to a new process for the synthesis of 17-hydroxy-des-A-androst-9,10-en-5-one, the compound of the following formula (1), which can be used as an intermediate in the synthesis of retroprogesterones.
PROCESS FOR THE PREPARATION OF 17BETA-HYDROXY-DES-A-ANDROST-9,10-EN-5-ONE
The present invention relates to a new process for the synthesis of 17-hydroxy-des-A-androst-9,10-en-5-one, the compound of the following formula (1), which can be used as an intermediate in the synthesis of retroprogesterones.
##STR00001##