(E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

Base Information

Chemical Name:(E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone
CAS No.:81476-92-8
Molecular Formula:C₂₁H₂₈O₂
Molecular Weight:312.452
Hs Code.:

Synonyms:(E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

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Chemical Property of (E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

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Technology Process of (E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

There total 10 articles about (E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone 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: 77.0%

: 81476-91-7
(E,E)-8-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-6,6-dimethyl-1,4,7-trioxaspiro<4.4>nonane

: 81476-92-8
(E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

Guidance literature:: With water; acetic acid; for 1.5h; Heating;
DOI:10.1021/jo00133a027

Reference yield:

: 115-22-0
3-Hydroxy-3-methyl-2-butanone

: 81476-92-8
(E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

Guidance literature:: Multi-step reaction with 5 steps

1: 89.1 percent / EtONa / ethanol / 22 h / 0 °C

2: 88.3 percent / p-TsOH*H₂O / benzene / 10 h / Heating

3: 1.) O₃, 2.) Me₂S / 1.) MeOH, -78 deg C, 10 min, 2.) a) -78 deg C, 20 min, b) 26 deg C, 2 h

4: 1.) potassium tert-amylate / 1.) benzene, reflux, 30 min, 2.) reflux, 14 h

5: 77 percent / AcOH, H₂O / 1.5 h / Heating

With dimethylsulfide; water; sodium ethanolate; potassium 2-methylbutan-2-olate; toluene-4-sulfonic acid; ozone; acetic acid; In ethanol; benzene;
DOI:10.1021/jo00133a027

Reference yield:

: 43043-88-5
ethyl (E)-4-methyl-6-phenylhex-4-enoate

: 81476-92-8
(E,E)-5-(1,5-dimethyl-7-phenyl-1,5-heptadienyl)-2,2-dimethyl-3(2H)-furanone

Guidance literature:: Multi-step reaction with 5 steps

1: 99 percent / LiAlH₄ / diethyl ether / 0.5 h / 25 °C

2: 99.6 percent / CBr₄, P(C₆H₅)3 / CH₂Cl₂ / 0.17 h / 0 °C

3: acetonitrile / 16 h / Heating

4: 1.) potassium tert-amylate / 1.) benzene, reflux, 30 min, 2.) reflux, 14 h

5: 77 percent / AcOH, H₂O / 1.5 h / Heating

With lithium aluminium tetrahydride; carbon tetrabromide; water; potassium 2-methylbutan-2-olate; acetic acid; triphenylphosphine; In diethyl ether; dichloromethane; acetonitrile;
DOI:10.1021/jo00133a027