4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

Base Information

Chemical Name:4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)
CAS No.:1450630-16-6
Molecular Formula:C₄₇H₄₅BrS₂
Molecular Weight:753.91
Hs Code.:

4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

Synonyms:4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

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Chemical Property of 4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

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Technology Process of 4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

There total 7 articles about 4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane) 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: 39.0%

: C₆₃H₆₅BrO₈S₄

: 1450630-16-6
4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

Guidance literature:: With potassium methanolate; In cyclohexane; benzene; at 80 - 90 ℃; for 12h; Inert atmosphere;
DOI:10.1002/chem.201300984

Reference yield:

: C₅₉H₅₇BrO₆S₄

: 1450630-16-6
4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

Guidance literature:: Multi-step reaction with 2 steps

1: phosphorus pentoxide / 18 h / 20 °C / Inert atmosphere

2: potassium methanolate / cyclohexane; benzene / 12 h / 80 - 90 °C / Inert atmosphere

With phosphorus pentoxide; potassium methanolate; In cyclohexane; benzene;
DOI:10.1002/chem.201300984

Reference yield:

: 1450630-20-2
(E)-ethyl 6-bromo-2-p-tolylhex-4-enoate

: 1450630-16-6
4,4'-{(1E,3E,5E,7Z,9E,11Z,13E,15E,17E)-7-(4-bromophenyl)-4,15-dimethyl-12-p-tolyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl}bis(4,1-phenylene)bis(methylsulfane)

Guidance literature:: Multi-step reaction with 6 steps

1.1: potassium tert-butylate / N,N-dimethyl-formamide / 0.5 h / -20 °C / Inert atmosphere

1.2: 1.5 h / -20 °C / Inert atmosphere

2.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere

3.1: oxalyl dichloride / dichloromethane; dimethyl sulfoxide / 1 h / -78 °C / Inert atmosphere

3.2: 2 h / -78 °C / Inert atmosphere

4.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

4.2: 2.08 h / -78 °C / Inert atmosphere

5.1: phosphorus pentoxide / 18 h / 20 °C / Inert atmosphere

6.1: potassium methanolate / cyclohexane; benzene / 12 h / 80 - 90 °C / Inert atmosphere

With lithium aluminium tetrahydride; n-butyllithium; oxalyl dichloride; phosphorus pentoxide; potassium methanolate; potassium tert-butylate; In tetrahydrofuran; hexane; dichloromethane; cyclohexane; dimethyl sulfoxide; N,N-dimethyl-formamide; benzene; 3.1: |Swern Oxidation / 3.2: |Swern Oxidation;
DOI:10.1002/chem.201300984