2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Base Information

Chemical Name:2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
CAS No.:917026-18-7
Molecular Formula:C₃₇H₅₅BO₃Si
Molecular Weight:586.738
Hs Code.:

Synonyms:2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

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Chemical Property of 2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

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Technology Process of 2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

There total 7 articles about 2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane 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:

: 917026-21-2
1-(4-{1-ethyl-1-[3-methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-2-methyl-phenylethynyl)-cycloheptanol

: 27607-77-8
trimethylsilyl trifluoromethanesulfonate

: 917026-18-7
2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Guidance literature:: With pyridine; In dichloromethane; at 0 ℃; for 1.5h;

Reference yield:

: 865235-91-2
4-[1-ethyl-1-(4-ethynyl-3-methylphenyl)-propyl]-2-methylphenol

: 917026-18-7
2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Guidance literature:: Multi-step reaction with 4 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / 0.25 h / 0 °C

1.2: 2 h / 0 - 20 °C

2.1: sodium hexamethyldisilazane / tetrahydrofuran; dichloromethane / 0.17 h / 0 °C

3.1: potassium acetate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / dimethyl sulfoxide / 4.17 h / 100 °C

4.1: pyridine / dichloromethane / 1.5 h / 0 °C

With pyridine; n-butyllithium; potassium acetate; sodium hexamethyldisilazane; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In tetrahydrofuran; hexane; dichloromethane; dimethyl sulfoxide;

Reference yield:

: 865235-89-8
trifluoromethanesulfonic acid 4-[1-ethyl-1-(4-hydroxy-3-methylphenyl)-propyl]-2-methylphenyl ester

: 917026-18-7
2-(4-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cycloheptylethynyl)-phenyl]-propyl}-2-methyl-phenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Guidance literature:: Multi-step reaction with 6 steps

1.1: triethylamine / copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / acetonitrile / 18 h / 110 °C

1.2: pH 7

2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C

3.1: n-butyllithium / tetrahydrofuran; hexane / 0.25 h / 0 °C

3.2: 2 h / 0 - 20 °C

4.1: sodium hexamethyldisilazane / tetrahydrofuran; dichloromethane / 0.17 h / 0 °C

5.1: potassium acetate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / dimethyl sulfoxide / 4.17 h / 100 °C

6.1: pyridine / dichloromethane / 1.5 h / 0 °C

With pyridine; n-butyllithium; tetrabutyl ammonium fluoride; potassium acetate; sodium hexamethyldisilazane; triethylamine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane; dichloromethane; dimethyl sulfoxide; acetonitrile;