Production method of alkylated cyanoacetylurea
US6090970A · kind A · utility
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7Claims
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Key dates
| Filing date | May 27, 1999 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | May 27, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C273/1854
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for producing alkylated cyanoacetylurea from an easily obtainable starting material. An industrially available cyanoacetylurea and a carbonyl compound are reacted in a polar solvent under reducing conditions to alkylate cyanoacetylurea In addition, a reaction of cyanoacetylurea and acetone under reducing conditions affords isopropylation of cyanoacetylurea.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.