2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

Base Information

Chemical Name:2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester
CAS No.:134890-69-0
Molecular Formula:C₂₂H₂₆N₂O₅S
Molecular Weight:430.525
Hs Code.:

Synonyms:2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

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Chemical Property of 2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

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Technology Process of 2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

There total 7 articles about 2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester 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: 80.0%

: 64-67-5
diethyl sulfate

: 134890-66-7
2-[(5-{[(E)-4-Methoxy-phenylimino]-methyl}-thiophen-3-ylamino)-methylene]-malonic acid diethyl ester

: 134890-69-0
2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

Guidance literature:: With potassium hydroxide; In N,N-dimethyl-formamide; at 80 ℃; for 2h;
DOI:10.1016/0223-5234(91)90207-4

Reference yield:

: 57500-53-5
4-nitrothiophene-2-carbaldehyde

: 134890-69-0
2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: Fe, 35percent HCl / ethanol; H₂O / 0.25 h / Heating

3: 100 percent / methanol / Heating

4: 80 percent / KOH / dimethylformamide / 2 h / 80 °C

With hydrogenchloride; potassium hydroxide; iron; In methanol; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1016/0223-5234(91)90207-4

Reference yield:

: 932-95-6
2,5-thiophenedicarboxaldehyde

: 134890-69-0
2-{[Ethyl-(5-{[(E)-4-methoxy-phenylimino]-methyl}-thiophen-3-yl)-amino]-methylene}-malonic acid diethyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: HNO₃, H₂SO₄ / -10 °C

2: Na₂Cr₂O₇, H₂SO₄

3: Cu / quinoline / 260 °C

4: Fe, 35percent HCl / ethanol; H₂O / 0.25 h / Heating

6: 100 percent / methanol / Heating

7: 80 percent / KOH / dimethylformamide / 2 h / 80 °C

With hydrogenchloride; potassium hydroxide; sodium dichromate; sulfuric acid; nitric acid; iron; copper; In quinoline; methanol; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1016/0223-5234(91)90207-4