![](/CAS/20180529/GIF/3605-12-7.gif)
3(2H)-Pyridazinone, 6-(phenylmethoxy)- synthesis
- Product Name:3(2H)-Pyridazinone, 6-(phenylmethoxy)-
- CAS Number:3605-12-7
- Molecular formula:C11H10N2O2
- Molecular Weight:202.2093
![3-CHLORO-6-BENZYLOXYPYRIDAZINE](/CAS/GIF/91063-19-3.gif)
91063-19-3
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![3(2H)-Pyridazinone, 6-(phenylmethoxy)-](/CAS/20180529/GIF/3605-12-7.gif)
3605-12-7
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Yield:3605-12-7 89%
Reaction Conditions:
with sodium acetate;acetic acid at 120; for 8 h;
Steps:
VI.1.b
Vl.j .b 6-Benzyloxy-2H-pyridazin-3-one; 15.5 g (70.0 mmol) 3-Benzyloxy-6-chloro-pyridazine are dissolved in 100 ml acetic acid and 6.3 g (77.0 mmol) sodium acetate are added. The mixture is stirred for 8 hours at 120°C. After that time the solvent is evaporated. The residue is taken up in methylene chloride and washed four times with 0.1 N acetic acid. The organic phase is separated and the solvent is evaporated.Yield: 40.21 g (89% of theory),Rf value: 0.50 (silica gel, methylene chloride/methanol = 9:1 )
References:
WO2007/48802,2007,A1 Location in patent:Page/Page column 79-80