Bispyribac synthesis
- Product Name:Bispyribac
- CAS Number:125401-75-4
- Molecular formula:C19H18N4O8
- Molecular Weight:430.37
303-07-1
454 suppliers
$10.00/5g
113583-35-0
397 suppliers
$6.00/10g
125401-75-4
137 suppliers
$14.00/5g
Yield:125401-75-4 85%
Reaction Conditions:
with tetrabutylammomium bromide;potassium carbonate in tolueneReflux;Reagent/catalyst;Solvent;
Steps:
1
0.04 mol of 2,6-dihydroxybenzoic acid was weighed separately,0.05 mol of 2-methanesulfonyl-4,6-dimethoxypyrimidine,0.004 mol of tetrabutylammonium bromide,0.08 mol of potassium carbonate was placed in a reaction vessel,Add 300mL toluene heated reflux reaction 8 ~ 1 Oh,The reaction is cooled and filtered,The filter cake was washed with toluene,dry,The resulting solid was mixed with 500 mL of water,Stir,Dropping 30% HC1 to the system PH = 3 ~ 4,filter,dry,Was gray and solidbodyBispyribac15.7g,Purity 97%Yield 85%.
References:
Zibo Xinnong Jinongyao Chemical Co.,Ltd;ZHENG, YOUKUI;SONG, JUN;WANG, XIAOWEI CN106083738, 2016, A Location in patent:Paragraph 0019; 0020
2150-45-0
163 suppliers
$5.00/100mg
125401-75-4
137 suppliers
$14.00/5g
303-07-1
454 suppliers
$10.00/5g
125401-75-4
137 suppliers
$14.00/5g