2,5-Furandione, 3-[[3,5-bis[4-[4-(diethylamino)phenyl]-1,3-butadienyl]-2,6-dimethylphenyl ]methylene]dihydro-4-(1-methylethylidene)-

Base Information

Chemical Name:2,5-Furandione, 3-[[3,5-bis[4-[4-(diethylamino)phenyl]-1,3-butadienyl]-2,6-dimethylphenyl ]methylene]dihydro-4-(1-methylethylidene)-
CAS No.:144369-87-9
Molecular Formula:C₄₄H₅₀N₂O₃
Molecular Weight:654.893
Hs Code.:
Mol file:144369-87-9.mol

Synonyms:

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Chemical Property of 2,5-Furandione, 3-[[3,5-bis[4-[4-(diethylamino)phenyl]-1,3-butadienyl]-2,6-dimethylphenyl ]methylene]dihydro-4-(1-methylethylidene)-

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Technology Process of 2,5-Furandione, 3-[[3,5-bis[4-[4-(diethylamino)phenyl]-1,3-butadienyl]-2,6-dimethylphenyl ]methylene]dihydro-4-(1-methylethylidene)-

There total 7 articles about 2,5-Furandione, 3-[[3,5-bis[4-[4-(diethylamino)phenyl]-1,3-butadienyl]-2,6-dimethylphenyl ]methylene]dihydro-4-(1-methylethylidene)- 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:

: 42103-98-0
diethyl isopropylidenesuccinate

: 144369-87-9
2-<3,5-bis(1-p-diethylaminophenyl)-1,3-butadienyl>-2,6-dimethylbenzylidene-3-isopropylidenesuccinic anhydride

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) lithium diisopropylamide / 1.) THF, hexane, -70 deg C, 30 min, 2.) THF, RT, 1 h

2: potassium hydroxide / ethanol / 3 h / Heating

3: acetic anhydride / Heating

With potassium hydroxide; acetic anhydride; lithium diisopropyl amide; In ethanol;
DOI:10.1246/bcsj.65.2352

Reference yield:

: 174362-43-7
2-bromo-4,6-bis(O,O-diethylphosphonylmethyl)-m-xylene

: 144369-87-9
2-<3,5-bis(1-p-diethylaminophenyl)-1,3-butadienyl>-2,6-dimethylbenzylidene-3-isopropylidenesuccinic anhydride

Guidance literature:: Multi-step reaction with 5 steps

1: 21 percent / 1,2-dimethoxy-ethane / 0.5 h / 60 °C

2: 1.) BuLi / 1.) THF, hexane, -70 deg C, 20 min, 2.) THF, RT, 2 h

3: 1.) lithium diisopropylamide / 1.) THF, hexane, -70 deg C, 30 min, 2.) THF, RT, 1 h

4: potassium hydroxide / ethanol / 3 h / Heating

5: acetic anhydride / Heating

With potassium hydroxide; n-butyllithium; acetic anhydride; lithium diisopropyl amide; In 1,2-dimethoxyethane; ethanol;
DOI:10.1246/bcsj.65.2352

Reference yield:

: 3,5-Bis-[(1E,3E)-4-(4-diethylamino-phenyl)-buta-1,3-dienyl]-2,6-dimethyl-benzaldehyde

: 144369-87-9
2-<3,5-bis(1-p-diethylaminophenyl)-1,3-butadienyl>-2,6-dimethylbenzylidene-3-isopropylidenesuccinic anhydride

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) lithium diisopropylamide / 1.) THF, hexane, -70 deg C, 30 min, 2.) THF, RT, 1 h

2: potassium hydroxide / ethanol / 3 h / Heating

3: acetic anhydride / Heating

With potassium hydroxide; acetic anhydride; lithium diisopropyl amide; In ethanol;
DOI:10.1246/bcsj.65.2352