Patent · US Active

Method for producing 2-chloromethylbenzaldehyde, 2-chloromethylbenzaldehyde-containing composition, and method for storing same

US9029606B2 · kind B2 · utility

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4References
10Claims
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Key dates

Filing dateJun 27, 2012
Grant dateMay 12, 2015
Priority date
Expiry dateJun 27, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C47/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for obtaining an industrially useful 2-chloromethylbenzaldehyde-containing liquid composition at a high yield is provided. More specifically, a process for producing 2-chloromethylbenzaldehyde comprising step (A) of mixing 1-dichloromethyl-2-chloromethylbenzene and sulfuric acid having a concentration of 84.5% by weight or more; and step (B) of mixing a mixture obtained in step (A) and water is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.