10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

Base Information

Chemical Name:10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester
CAS No.:3707-55-9
Molecular Formula:C₁₉H₁₈O₂
Molecular Weight:278.351
Hs Code.:

10,11-Dihydro-5H-dibenzo<a,d>cyclohepten-5-ylidenessigsaeure-ethylester

Synonyms:10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

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Chemical Property of 10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

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Technology Process of 10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

There total 1 articles about 10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester 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:

: 59485-34-6
1,2-bis(2-bromophenyl)ethane

: 140-88-5,9003-32-1
ethyl acrylate

: 3707-55-9
10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

: (E)-3-(2-{2-[2-((E)-2-Ethoxycarbonyl-vinyl)-phenyl]-ethyl}-phenyl)-acrylic acid ethyl ester

Guidance literature:: With tetrabutylammomium bromide; sodium acetate; palladium diacetate; trans-di(μ-acetato)bis[o-(di-o-tolylphosphino)benzyl]dipalladium(II); In 1-methyl-pyrrolidin-2-one; at 140 ℃; for 24h;
DOI:10.1016/S0040-4039(02)02090-7

Reference yield:

: 3707-55-9
10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

: 11b-<3-<4-(4-Fluorphenyl)piperazin-1-yl>propyl>-2,6,7,11b-tetrahydro-1H-dibenzoazulen

Guidance literature:: Multi-step reaction with 5 steps

1: 82 percent / 1N NaOH / ethanol; H₂O / 1 h / Heating

2: 48 percent / H₂ / PtO₂ / tetrahydrofuran / 12 h / 60004.8 Torr / Ambient temperature

3: 1) SOCl₂; 2) AlCl₃ / 1) 2 h, reflux; 2) CS₂, room temperature; 3) 4 h, reflux

4: 95 percent / triethylsilane / trifluoroacetic acid / 24 h / Ambient temperature

5: 1) butyllithium / 1) THF, hexane, -10 deg C, 15 min; 2) THF

With triethylsilane; sodium hydroxide; n-butyllithium; aluminium trichloride; thionyl chloride; hydrogen; platinum(IV) oxide; In tetrahydrofuran; ethanol; water; trifluoroacetic acid;
DOI:10.1002/jlac.198019801007

Reference yield:

: 3707-55-9
10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester

: 1338380-99-6
5-(2-(2-iodophenoxy)ethylidene)-10,11-dihydro-5H-dibenzo[a,d]-[7]annulene

Guidance literature:: Multi-step reaction with 3 steps

1: diisobutylaluminium hydride / tetrahydrofuran / 1.5 h / -78 - 20 °C

2: bromine; triphenylphosphine / dichloromethane / 0.25 h / 0 °C

3: potassium carbonate / N,N-dimethyl-formamide / 20 °C

With bromine; diisobutylaluminium hydride; potassium carbonate; triphenylphosphine; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1039/c1cc14297f