[(2-methoxyphenyl)methyl]urea synthesis
- Product Name:[(2-methoxyphenyl)methyl]urea
- CAS Number:99362-55-7
- Molecular formula:C9H12N2O2
- Molecular Weight:180.2
6850-57-3
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Yield:99362-55-7 94%
Reaction Conditions:
with sulfuric acid in water;
Steps:
R.1 Production of 2-methoxybenzyl Urea (Chemical Formula 1) STR29
Reference Example 1 Production of 2-methoxybenzyl Urea (Chemical Formula 1) STR29 To an aqueous solution (13 ml) containing 2-methoxybenzylamine (13.7 g, 0.1 mol.) was added dropwise dilute sulfuric acid (prepared from 2.8 ml of conc. sulfuric acid and 6.7 ml of refined water) at room temperature. After completion of the dropwise addition, an aqueous solution (70 ml) containing sodium cyanate (7.65 g, 0.12 mol.) was added to the reaction mixture at room temperature taking 15 minutes. The suspension obtained as reaction mixture was heated at 80° C. for one hour. The reaction mixture was cooled, then resulting crystalline precipitates were collected by filtration, followed by recrystallization from ethanol to give 17 g (yield 94%) of colorless prisms.
References:
US5654309,1997,A
