dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

Base Information

Chemical Name:dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)
CAS No.:1058725-45-3
Molecular Formula:C₄₂H₄₈O₄
Molecular Weight:616.841
Hs Code.:

Synonyms:dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

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Chemical Property of dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

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Technology Process of dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

There total 23 articles about dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate) 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: 79.0%

: 1427286-58-5,1427286-59-6
methyl (E)-2,3-dimethyl-4-(2-(tributylstannyl)vin-1-yl)benzoate

: 1427286-50-7
(2E,4E,6E,8E,10E,12E,14E)-2,15-diiodo-6,11-dimethylhexadeca-2,4,6,8,10,12,14-heptaene

: 1058725-45-3
dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(I) thiophene-2-carboxylate; 2,6-di-tert-butyl-4-methyl-phenol; Tetrabutylammoniumsalz der Diphenylphosphinsaeure; In N,N-dimethyl-formamide; toluene; at 25 ℃; for 3h; Inert atmosphere;
DOI:10.1039/c3cc38676g

Reference yield: 53.0%

: 56798-08-4
(E)-1-bromo-2-iodoethylene

: C₆H₂(CH₃)2(C(O)OCH₃)C₂H₂C(CH₃)C₃H₃C(CH₃)CHB((O₂CCH₂)2NCH₃)

: 1058725-45-3
dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

: 1333231-05-2
C₄₀H₄₆O₄

Guidance literature:: With palladium diacetate; sodium hydroxide; XPhos; In tetrahydrofuran; at 23 ℃; for 1h; Inert atmosphere;
DOI:10.1002/anie.201102688

Reference yield:

: 5628-56-8
methyl 2,3-dimethyl-4-hydroxybenzene-1-carboxylate

: 1058725-45-3
dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

: 1333231-05-2
C₄₀H₄₆O₄

Guidance literature:: Multi-step reaction with 7 steps

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 - 23 °C / Inert atmosphere

1.2: 12 h / 0 - 23 °C / Inert atmosphere

2.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium acetate / 1,4-dioxane / 18 h / 80 °C / Inert atmosphere

3.1: chloroamine-T; sodium iodide / tetrahydrofuran; water / 13 h / 0 - 23 °C / Inert atmosphere

4.1: potassium phosphate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / dimethyl sulfoxide / 24 h / 45 °C / Inert atmosphere

5.1: sodium methylate / tetrahydrofuran; methanol / 0.25 h / 23 °C / Inert atmosphere

5.2: 0.33 h / 23 °C / Inert atmosphere

6.1: potassium phosphate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / dimethyl sulfoxide / 24 h / 45 °C / Inert atmosphere

7.1: palladium diacetate; sodium hydroxide; XPhos / tetrahydrofuran / 1 h / 23 °C / Inert atmosphere

With potassium phosphate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; sodium methylate; potassium acetate; chloroamine-T; palladium diacetate; sodium hydride; sodium iodide; sodium hydroxide; XPhos; In tetrahydrofuran; 1,4-dioxane; methanol; water; dimethyl sulfoxide; N,N-dimethyl-formamide; mineral oil;
DOI:10.1002/anie.201102688