4-(1,2,3-THIADIAZOL-4-YL)PHENOL synthesis
- Product Name:4-(1,2,3-THIADIAZOL-4-YL)PHENOL
- CAS Number:59834-05-8
- Molecular formula:C8H6N2OS
- Molecular Weight:178.21
18212-22-1
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Yield:59834-05-8 94%
Reaction Conditions:
with boron tribromide in dichloromethane;
Steps:
34 4-[1,2,3]Thiadiazol-4-yl-phenol
Example 34 4-[1,2,3]Thiadiazol-4-yl-phenol 4-(4-methoxy-phenyl)-[1,2,3]thiadiazole (1.06 g, 5.50 mmol) was dissolved in methylene chloride (20 ml) and the solution was cooled to about -78° C. Boron tribromide (1.0 M in methylene chloride, 12.1 ml) was added dropwise to the solution to afford a brown-colored solution. The reaction mixture was allowed to stir for about fifteen minutes, the cooling bath was removed, and the mixture was allowed to stir at room temperature for about an additional twelve hours. The mixture was poured into water, and the resulting mixture was adjusted to about pH 6. The mixture was extracted with methylene chloride (3*100 ml), and the combined organic layers were dried over sodium sulfate, filtered, and concentrated in vacuo to afford 924 mg (94% yield) of the desired title compound as a tan solid. LRMS ([M+H]+)=179.1.
References:
US2002/52392,2002,A1
99-93-4
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![Hydrazinecarboxamide, 2-[1-(4-hydroxyphenyl)ethylidene]-](/CAS/20210305/GIF/22107-31-9.gif)
22107-31-9
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59834-05-8
44 suppliers
$31.00/250mg