Back to results
US 10,882,809 B2Granted
Production method for halogenated alpha-fluoroethers
AssigneeCentral Glass Company, Limited
InventorsKenji Hosoi, Naoya Ueshima
Life of this patent
Estimating the term…
Abstract
A halogenated α-fluoroether of the formula (2) (where HaloR represents haloalkyl; R1 represents hydrogen, halogen, alkyl or substituted alkyl; and R2 represents alkyl or substituted alkyl) is produced efficiently on an industrial scale by reacting a halogenated aldehyde of the formula (1) (where HaloR represents haloalkyl) or an equivalent thereof with hydrogen fluoride.
Claims3
A method for producing a halogenated α-fluoroether of the formula [2], comprising reacting a halogenated aldehyde of the formula [4] or an equivalent thereof with hydrogen fluoride
- where HaloR represents a haloalkyl group
- where HaloR represents a haloalkyl group;
- R1 represents a hydrogen atom, a halogen atom, an alkyl group or a substituted alkyl group;
- and R2 represents an alkyl group or a substituted alkyl group,
- wherein the reacting is conducted in the presence of an orthoester of the formula [3]
- where R3 represents a hydrogen atom, an alkyl group, a substituted alkyl group or an aryl group;
- and R4 represents an alkyl group or a substituted alkyl group.
4 more elements
Dependencies are inferred from the claim text.