2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone

Base Information

Chemical Name:2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone
CAS No.:108284-65-7
Molecular Formula:C₂₁H₁₇BrO
Molecular Weight:365.269
Hs Code.:

Synonyms:

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Chemical Property of 2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone

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Technology Process of 2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone

There total 11 articles about 2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone 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: 32.0%

: 3453-00-7
diethyl benzoylmethylphosphonate

: 94563-32-3
8-bromo-5-methyl-5H-benzocycloheptene-5-carbaldehyde

: 108284-65-7
2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone

Guidance literature:: With sodium hydride; In 1,2-dimethoxyethane; at 20 ℃; for 2h;

Reference yield:

: 94563-24-3
methyl 8-bromo-6,9-dihydro-5-methyl-9-oxo-5H-benzocycloheptene-5-carboxylate

: 108284-65-7
2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone

Guidance literature:: Multi-step reaction with 5 steps

1: 14 percent / cerium(III) chloride heptahydrate, sodium borohydride / methanol / 0.25 h / Ambient temperature

2: 64 percent / hydrogen chloride / methanol / 6.5 h / Heating

3: 84 percent / di-isobutylaluminium hydride / hexane; toluene / 1.83 h / -65 - -15 °C

4: 90 percent / chromium trioxide, pyridine / CH₂Cl₂ / 0.75 h / Ambient temperature

5: 32 percent / sodium hydride (55percent dispersion in oil) / 1,2-dimethoxy-ethane / 2 h / 20 °C

With pyridine; chromium(VI) oxide; hydrogenchloride; sodium tetrahydroborate; cerium(III) chloride; diisobutylaluminum hydride; sodium hydride; In methanol; 1,2-dimethoxyethane; hexane; dichloromethane; toluene;

Reference yield:

: 108261-87-6
1-Methyl-4-trimethylsilanyloxy-1,2-dihydro-naphthalene-1-carboxylic acid methyl ester

: 108284-65-7
2-<(E)-8-bromo-5-methyl-5H-benzocyclohepten-5yl>vinyl phenyl ketone

Guidance literature:: Multi-step reaction with 7 steps

1: 41.4 g / 1,2-dimethoxy-ethane / 1.83 h

2: 8.9 g / silver tetrafluoroborate / methanol; 1,2-dimethoxy-ethane / 0.83 h / Heating

3: 14 percent / cerium(III) chloride heptahydrate, sodium borohydride / methanol / 0.25 h / Ambient temperature

4: 64 percent / hydrogen chloride / methanol / 6.5 h / Heating

5: 84 percent / di-isobutylaluminium hydride / hexane; toluene / 1.83 h / -65 - -15 °C

6: 90 percent / chromium trioxide, pyridine / CH₂Cl₂ / 0.75 h / Ambient temperature

7: 32 percent / sodium hydride (55percent dispersion in oil) / 1,2-dimethoxy-ethane / 2 h / 20 °C

With pyridine; chromium(VI) oxide; hydrogenchloride; sodium tetrahydroborate; silver tetrafluoroborate; cerium(III) chloride; diisobutylaluminum hydride; sodium hydride; In methanol; 1,2-dimethoxyethane; hexane; dichloromethane; toluene;