Patent classifications
C07C45/59
PRODUCTION OF BENZENE DERIVATIVES
The present invention relates to the production of benzene derivatives from furfural and its derivatives. The present invention also relates to the preparation of novel intermediates derived from furfural and its derivatives. The present invention describes new routes for converting furfural and its derivatives into benzene derivatives including novel intermediates.
PRODUCTION OF BENZENE DERIVATIVES
The present invention relates to the production of benzene derivatives from furfural and its derivatives. The present invention also relates to the preparation of novel intermediates derived from furfural and its derivatives. The present invention describes new routes for converting furfural and its derivatives into benzene derivatives including novel intermediates.
Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)
Provided is a method of manufacturing a trifluoropyruvyl fluoride dimer, including a reaction step of reacting hexafluoropropylene oxide and aldehyde.
Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)
Provided is a method of manufacturing a trifluoropyruvyl fluoride dimer, including a reaction step of reacting hexafluoropropylene oxide and aldehyde.
POLYMER COMPOUND COMPRISING BIOMASS-DERIVED CYCLIC MONOMER AND PREPARATION METHOD THEREFOR
The present invention relates to a polyester or polyurethane polymer comprising a biomass-derived 1,3-cyclopentanediol monomer, and a method for preparing same.
POLYMER COMPOUND COMPRISING BIOMASS-DERIVED CYCLIC MONOMER AND PREPARATION METHOD THEREFOR
The present invention relates to a polyester or polyurethane polymer comprising a biomass-derived 1,3-cyclopentanediol monomer, and a method for preparing same.
Two-step synthesis of pyrrole compounds from furan compounds
Pyrrole compounds are produced by contacting a furan compound, a solid acid catalyst, and water to form a reaction mixture containing a γ-dicarbonyl compound, and then contacting the γ-dicarbonyl compound with ammonia or an ammonium salt to form a reaction product mixture containing the pyrrole compound. A representative pyrrole compound that can be synthesized using these processes is 2,5-dimethylpyrrole.
Two-step synthesis of pyrrole compounds from furan compounds
Pyrrole compounds are produced by contacting a furan compound, a solid acid catalyst, and water to form a reaction mixture containing a γ-dicarbonyl compound, and then contacting the γ-dicarbonyl compound with ammonia or an ammonium salt to form a reaction product mixture containing the pyrrole compound. A representative pyrrole compound that can be synthesized using these processes is 2,5-dimethylpyrrole.
ACETAL COMPOUNDS AND PROCESSES FOR PREPARING THEREOF, AND PROCESSES FOR PREPARING ALDEHYDE COMPOUNDS FROM THE ACETAL COMPOUNDS
The present invention relates to an acetal compound of the following general formula (1) and an acetal compound of the following general formula (2). The present invention relates to processes for preparing the acetal compound (2), comprising subjecting the acetal compound (1) to a hydrogenation reaction to form the acetal compound (2). The present invention provides a process for preparing 2,3,4,4-tetramethylcyclopentanecarbaldehyde of the following formula (3), comprising subjecting the acetal compound (2) to a hydrolysis reaction to form 2,3,4,4-tetramethylcyclopentanecarbaldehyde (3).
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ACETAL COMPOUNDS AND PROCESSES FOR PREPARING THEREOF, AND PROCESSES FOR PREPARING ALDEHYDE COMPOUNDS FROM THE ACETAL COMPOUNDS
The present invention relates to an acetal compound of the following general formula (1) and an acetal compound of the following general formula (2). The present invention relates to processes for preparing the acetal compound (2), comprising subjecting the acetal compound (1) to a hydrogenation reaction to form the acetal compound (2). The present invention provides a process for preparing 2,3,4,4-tetramethylcyclopentanecarbaldehyde of the following formula (3), comprising subjecting the acetal compound (2) to a hydrolysis reaction to form 2,3,4,4-tetramethylcyclopentanecarbaldehyde (3).
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