2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide

Base Information

• Chemical Name: 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide
• CAS No.: 76192-30-8
• Molecular Formula: Br*C₂₅H₁₉O
• Molecular Weight: 415.329

Synonyms:2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide

Chemical Property of 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide

Chemical Property:

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Technology Process of 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide

There total 3 articles about 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide 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: 90.0%

(E)-2-(3-oxo-1,3-diphenylpropylidene)-3,4-dihydronaphthalen-1(2H)-one (35339-16-3) → 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide (76192-30-8)

Guidance literature:

With hydrogen bromide; In ethanol;

Reference yield: 74.0%

2-bromo-2-(2'-bromo-3'-oxo-1',3'-diphenylprop-1'-yl)-1,2,3,4-tetrahydronaphthalen-1-one → 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide (76192-30-8) + 2-benzoyl-3-phenyl-4,5-dihydronaphtho[1,2-b]furan

Guidance literature:

In acetic acid; for 3h; Heating;

DOI:10.1007/BF02251826

Reference yield: 40.0%

3,4-dihydro-2-(3-oxo-1,3-diphenylpropyl)naphthalen-1(2H)-one (65193-62-6) → 2,4-diphenyl-5,6-dihydro-7,8-benzochromenylium bromide (76192-30-8)

Guidance literature:

With bromine; In acetic acid; for 0.5h; Heating;

upstream raw materials:

(E)-2-(3-oxo-1,3-diphenylpropylidene)-3,4-dihydronaphthalen-1(2H)-one

3,4-dihydro-2-(3-oxo-1,3-diphenylpropyl)naphthalen-1(2H)-one

Downstream raw materials:

2,4-Diphenyl-1-p-tolyl-5,6-dihydro-benzo[h]quinolinium; bromide

2,4-Diphenyl-1-m-tolyl-5,6-dihydro-benzo[h]quinolinium; bromide

1,2,4-Triphenyl-5,6-dihydro-benzo[h]quinolinium; bromide

1-(2,2-dimethyl-propyl)-2,4-diphenyl-5,6-dihydro-benzo[h]quinolinium; bromide

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