7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

Base Information

Chemical Name:7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne
CAS No.:916484-41-8
Molecular Formula:C₃₃H₄₄Br₂OSi₂
Molecular Weight:672.691
Hs Code.:

Synonyms:7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

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Chemical Property of 7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

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Technology Process of 7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

There total 6 articles about 7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne 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:

: 7-(tert-butyl-diphenyl-silanyloxy)-1-triisopropylsilanyl-hepta-1,4-diyn-3-one

: 558-13-4
carbon tetrabromide

: 916484-41-8
7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

Guidance literature:: carbon tetrabromide; With triphenylphosphine; In dichloromethane; at 0 ℃; for 0.5h;

7-(tert-butyl-diphenyl-silanyloxy)-1-triisopropylsilanyl-hepta-1,4-diyn-3-one; In dichloromethane; at -20 ℃; for 0.5h;
DOI:10.1021/jo061588g

Reference yield:

: 916484-39-4
7-(tert-butyldiphenylsilanyloxy)-1-triisopropylsilanylhepta-1,4-diyn-3-ol

: 916484-41-8
7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

Guidance literature:: Multi-step reaction with 2 steps

1.1: BaMnO₄ / CH₂Cl₂ / 20 °C

2.1: PPh₃ / CH₂Cl₂ / 0.5 h / 0 °C

2.2: 874 mg / CH₂Cl₂ / 0.5 h / -20 °C

With barium permanganate; triphenylphosphine; In dichloromethane;
DOI:10.1021/jo061588g

Reference yield:

: 89343-06-6
tris-iso-propylsilyl acetylene

: 916484-41-8
7-(tert-butyldiphenylsilanyloxy)-3-(dibromomethylidene)-1-triisopropylsilanylhepta-1,4-diyne

Guidance literature:: Multi-step reaction with 3 steps

1.1: BuLi / tetrahydrofuran; hexane / 2 h / -78 °C

1.2: 89 percent / tetrahydrofuran; hexane / 3 h / -78 - 20 °C

2.1: BaMnO₄ / CH₂Cl₂ / 20 °C

3.1: PPh₃ / CH₂Cl₂ / 0.5 h / 0 °C

3.2: 874 mg / CH₂Cl₂ / 0.5 h / -20 °C

With n-butyllithium; barium permanganate; triphenylphosphine; In tetrahydrofuran; hexane; dichloromethane;
DOI:10.1021/jo061588g