dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate

Base Information

• Chemical Name: dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate
• CAS No.: 145948-88-5
• Molecular Formula: C₂₁H₂₄O₄
• Molecular Weight: 340.419

Synonyms:dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate

Chemical Property of dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate

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Technology Process of dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate

There total 3 articles about dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate 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: 71.0%

7-isopropyl-1,4-dimethyl-azulene (489-84-9) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 1,6-dimethyl-9-(1-methylethyl)heptalene-4,5-dicarboxylate (98525-07-6,72898-39-6,98525-12-3,98525-13-4) + dimethyl cis-but-2-ene-1,4-dioate (624-48-6) + dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate (145948-88-5) + dimethyl (Z)-1-(5-isopropyl-3,8-dimethylazulen-1-yl)ethene-1,2-dicarboxylate (145948-89-6) + dimethylfumarate (624-49-7)

Guidance literature:

; In acetonitrile; at 100 ℃; for 4h; Mechanism; other solvents, other substrates;

DOI:10.1002/hlca.19920750707

Reference yield: 71.0%

7-isopropyl-1,4-dimethyl-azulene (489-84-9) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 1,6-dimethyl-9-(1-methylethyl)heptalene-4,5-dicarboxylate (98525-07-6,72898-39-6,98525-12-3,98525-13-4) + dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate (145948-88-5) + dimethyl (Z)-1-(5-isopropyl-3,8-dimethylazulen-1-yl)ethene-1,2-dicarboxylate (145948-89-6) + dimethylfumarate (624-49-7)

Guidance literature:

; In acetonitrile; at 100 ℃; for 4h; Further byproducts given;

DOI:10.1002/hlca.19920750707

Reference yield: 34.0%

dimethyl 3-isopropyl-6,11-dimethyltricyclo<6.2.2.01,7>dodeca-2,4,6,9,11-pentaene-9,10-dicarboxylate → 7-isopropyl-1,4-dimethyl-azulene (489-84-9) + dimethyl (E)-1-(5'-isopropyl-3',8'-dimethylazulen-1-yl)-ethene-1,2-dicarboxylate (145948-88-5) + dimethyl (Z)-1-(5-isopropyl-3,8-dimethylazulen-1-yl)ethene-1,2-dicarboxylate (145948-89-6)

Guidance literature:

In butan-1-ol; at 110 ℃;

DOI:10.1002/hlca.19950780805

upstream raw materials:

7-isopropyl-1,4-dimethyl-azulene

dimethyl acetylenedicarboxylate

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