3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI)

Base Information

Chemical Name:3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI)
CAS No.:191418-67-4
Molecular Formula:C₇H₇NO₄S
Molecular Weight:201.203
Hs Code.:
Mol file:191418-67-4.mol

Synonyms:3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI)

Suppliers and Price of 3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI)

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

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Total 1 raw suppliers

Chemical Property of 3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI)

Chemical Property:

PSA：101.26000
LogP:0.53700

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI)

There total 1 articles about 3-Thiophenecarboxylicacid,4,5-dihydro-5-(hydroxyimino)-4-oxo-,ethylester(9CI) 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: 34.0%

: 1006-44-6
4-hydroxy-3-methyl-3-thiophenecarboxylic acid ethyl ester

: 191418-67-4
5-[(E)-Hydroxyimino]-4-oxo-4,5-dihydro-thiophene-3-carboxylic acid ethyl ester

Guidance literature:: With isopentyl nitrite; In ethanol;
DOI:10.1002/jhet.5570340210

Reference yield: 79.0%

: 100-63-0
phenylhydrazine

: 191418-67-4
5-[(E)-Hydroxyimino]-4-oxo-4,5-dihydro-thiophene-3-carboxylic acid ethyl ester

: 191418-77-6
3-Hydroxythiocarbamoyl-1-phenyl-1H-pyrazole-4-carboxylic acid ethyl ester

Guidance literature:: In acetic acid; for 2h; Ambient temperature;
DOI:10.1002/jhet.5570340210

Reference yield:

: 191418-67-4
5-[(E)-Hydroxyimino]-4-oxo-4,5-dihydro-thiophene-3-carboxylic acid ethyl ester

: 3198-97-8
1-phenyl-1H-pyrazole-3,4-dicarboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: 79 percent / acetic acid / 2 h / Ambient temperature

2: 66 percent / conc. aq. HCl / ethanol / 6 h / Heating

3: 1.) KOH, 2.) 2N aq. NaOH / 1.) EtOH, reflux, 2 h, 2.) reflux, 1.5 h

With hydrogenchloride; potassium hydroxide; sodium hydroxide; In ethanol; acetic acid;
DOI:10.1002/jhet.5570340210