5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

Base Information

Chemical Name:5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide
CAS No.:1262298-26-9
Molecular Formula:BrH*C₁₁H₉NO₃S
Molecular Weight:316.175
Hs Code.:

Synonyms:5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

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Chemical Property of 5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

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Technology Process of 5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

There total 1 articles about 5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 57.1%

: 1262383-47-0
5-(3-amino-2-methoxy-phenyl)-thiophene-2-carboxylic acid

: 1262298-26-9
5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

Guidance literature:: 5-(3-amino-2-methoxy-phenyl)-thiophene-2-carboxylic acid; With boron tribromide; In dichloromethane; at 20 ℃; for 1.5h;

With methanol; In dichloromethane;

Reference yield: 56.5%

: 1262298-21-4
5-methyl-2-(1,1,3,3-tetramethyl-indan-5-yl)-2,4-dihydro-pyrazol-3-one

: 1262298-26-9
5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

: 5-(2-hydroxy-3-{N'-[3-methyl-5-oxo-1-(1,1,3,3-tetramethyl-indan-5-yl)-1,5-dihydro-pyrazol-4-ylidene]-hydrazino}-phenyl)-thiophene-2-carboxylic acid

Guidance literature:: 5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide; With hydrogenchloride; sodium nitrite; In water; Cooling with ice;

5-methyl-2-(1,1,3,3-tetramethyl-indan-5-yl)-2,4-dihydro-pyrazol-3-one; With sodium hydrogencarbonate; In ethanol; water; at 20 ℃; pH=8; Cooling with ice;

With hydrogenchloride; In water; pH=3 - 4;

Reference yield: 19.0%

: 5-methyl-2-(3-methyl-indan-5-yl)-2,4-dihydro-pyrazol-3-one

: 1262298-26-9
5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide

: 5-(2-hydroxy-3-{N'-[3-methyl-1-(3-methyl-indan-5-yl)-5-oxo-1,5-dihydro-pyrazol-4-ylidene]-hydrazino}-phenyl)-thiophene-2-carboxylic acid

Guidance literature:: 5-(3-amino-2-hydroxy-phenyl)-thiophene-2-carboxylic acid hydrobromide; With hydrogenchloride; sodium nitrite; In water; Cooling with ice;

5-methyl-2-(3-methyl-indan-5-yl)-2,4-dihydro-pyrazol-3-one; With sodium hydrogencarbonate; In ethanol; water; at 20 ℃; pH=8; Cooling with ice;

With hydrogenchloride; In water; pH=3 - 4;