4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

Base Information

Chemical Name:4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime
CAS No.:186095-54-5
Molecular Formula:C₁₉H₃₀BrNO₂Si
Molecular Weight:412.442
Hs Code.:

Synonyms:4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

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Chemical Property of 4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

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Technology Process of 4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

There total 5 articles about 4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime 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: 94.0%

: 186095-56-7
4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone

: 186095-54-5
4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

Guidance literature:: With hydroxylamine hydrochloride; sodium acetate; In methanol; at 0 ℃; for 2h;

Reference yield:

: 4-(tert-Butyl-dimethyl-silanyloxy)-4-(7-chloro-hepta-1,5-diynyl)-cyclohexanone oxime

: 186095-54-5
4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

Guidance literature:: With lithium bromide; In acetone; at 30 ℃; for 48h; Yield given;

Reference yield:

: 41879-39-4
O-(tert-butyldimethylsilanyl)hydroxylamine

: 186095-54-5
4-(7-Bromo-hepta-1,5-diynyl)-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexanone oxime

Guidance literature:: Multi-step reaction with 3 steps

1: 4 Angstroem molecular sieves / CH₂Cl₂ / Ambient temperature

2: TBAF*3H₂O / tetrahydrofuran / 0.33 h / 20 °C

3: LiBr / acetone / 48 h / 30 °C

With 4 A molecular sieve; tetrabutyl ammonium fluoride; lithium bromide; In tetrahydrofuran; dichloromethane; acetone;