Method for producing 2-chloromethylbenzaldehyde, 2-chloromethylbenzaldehyde-containing composition, and method for storing same
US9029606B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jun 27, 2012 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Jun 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.