2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester

Base Information

• Chemical Name: 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester
• CAS No.: 76342-92-2
• Molecular Formula: C₁₂H₁₆O₈
• Molecular Weight: 288.254

Synonyms:2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester

Chemical Property of 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester

Chemical Property:

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Technology Process of 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester

There total 4 articles about 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl 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:

2-(Bis-methoxycarbonyl-methylsulfanyl)-2-chloro-malonic acid diethyl ester (76342-90-0) → [1,3]Dithietane-2,2,4,4-tetracarboxylic acid tetraethyl ester (17239-56-4) + Tetramethyl ethylenetetracarboxylate (1733-15-9) + 1,1,2,2-tetracarboethoxy-ethylene (6174-95-4) + 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester (76342-92-2)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at -78 - -30 ℃; Further byproducts given;

DOI:10.1016/0040-4039(80)80240-1

Reference yield:

2-(Bis-methoxycarbonyl-methylsulfanyl)-2-chloro-malonic acid diethyl ester (76342-90-0) → [1,3]Dithietane-2,2,4,4-tetracarboxylic acid tetraethyl ester (17239-56-4) + 1,1,2,2-tetracarboethoxy-ethylene (6174-95-4) + 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester (76342-92-2) + [1,3]Dithietane-2,2,4,4-tetracarboxylic acid diethyl ester dimethyl ester (76342-93-3)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at -78 - -30 ℃; Further byproducts given;

DOI:10.1016/0040-4039(80)80240-1

Reference yield:

2-(Bis-methoxycarbonyl-methylsulfanyl)-2-chloro-malonic acid diethyl ester (76342-90-0) → [1,3]Dithietane-2,2,4,4-tetracarboxylic acid tetraethyl ester (17239-56-4) + 1,1,2,2-tetracarboethoxy-ethylene (6174-95-4) + 2-Ethoxycarbonyl-3-methoxycarbonyl-but-2-enedioic acid 1-ethyl ester 4-methyl ester (76342-92-2) + [1,2,4]Trithiolane-3,3,5,5-tetracarboxylic acid diethyl ester dimethyl ester (76342-94-4)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at -78 - -30 ℃; Further byproducts given;

DOI:10.1016/0040-4039(80)80240-1

upstream raw materials:

2-(Bis-methoxycarbonyl-methylsulfanyl)-2-chloro-malonic acid diethyl ester

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