China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > 2-Amino-thiophene-3-carboxylic acid ethyl ester
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- Details for 2-Amino-thiophene-3-carboxylic acid ethyl ester
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2-Amino-thiophene-3-carboxylic acid ethyl ester 31891-06-2
Category : Intermediates/Pharmaceutical intermediates
CAS NO : 31891-06-2 EC NO : MF : C7H9NO2S MW : 171.2169 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : What is the chemical of 2-Amino-thiophene-3-carboxylic acid ethyl ester ? Appearance: Brown powder, slightly soluble in water, soluble in organic solvents such as chloroform and dichloromethane ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR： conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer’s request ; Loss on drying:0.5% max. or as per the customer’s request ; Melting point:42~43℃; ============================================================================= To be used as an intermediate in organic synthesis, such as in pharmaceutical chemistry for the synthesis of thienopyrimidine compounds, such as 2-aminothieno [2,3-d] pyrimidin-4 (3H) - one, etc. These derivatives may have biological activity and are suitable for pharmaceutical research and development or materials science fields ============================================================================== Route 1: Using 1,4-dithio-2,5-diol and ethyl cyanoacetate as raw materials, the target product can be generated with a reaction yield of approximately 89%. Route 2: Esterification reaction is carried out using methanol and 2-aminothiophene-3-carboxylic acid as raw materials to prepare ethyl 2-aminothiophene-3-carboxylate. Uses : as an intermediate in organic synthesis Synonyms : Ethyl 2-aminothiophene-3-carboxylate;2-Aminothiophene-3-Carboxylic Acid Ethyl Ester; Molecular Structure : 
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2-Amino-thiophene-3-carboxylic acid ethyl ester