dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

Base Information

Chemical Name:dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate
CAS No.:1338796-85-2
Molecular Formula:C₂₁H₁₉BrO₅
Molecular Weight:431.283
Hs Code.:

Synonyms:dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

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Chemical Property of dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

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Technology Process of dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

There total 6 articles about dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate 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: 100.0%

: 1830-54-2
3-oxopentanedioic acid dimethyl ester

: 1338796-83-0
4-bromo-2,3-bis(bromomethyl)-biphenyl

: 1338796-85-2
dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

Guidance literature:: With tetrabutylammomium bromide; sodium hydrogencarbonate; In dichloromethane; water; at 40 ℃; for 16h; Inert atmosphere;
DOI:10.1016/j.bmc.2011.06.089

Reference yield:

: 1338796-79-4
4-bromo-2,3-dimethylaniline hydrobromide

: 1338796-85-2
dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: tetrafluoroboric acid; tert.-butylnitrite / water; acetonitrile / 0.75 h / -20 °C

2: palladium diacetate / methanol / 2 h / 65 °C / Inert atmosphere

3: N-Bromosuccinimide / tetrachloromethane / Irradiation

4: tetrabutylammomium bromide; sodium hydrogencarbonate / dichloromethane; water / 16 h / 40 °C / Inert atmosphere

With N-Bromosuccinimide; tetrafluoroboric acid; tert.-butylnitrite; tetrabutylammomium bromide; palladium diacetate; sodium hydrogencarbonate; In methanol; tetrachloromethane; dichloromethane; water; acetonitrile;
DOI:10.1016/j.bmc.2011.06.089

Reference yield:

: 1338796-82-9
4-bromo-2,3-dimethyl-biphenyl

: 1338796-85-2
dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: N-Bromosuccinimide / tetrachloromethane / Irradiation

2: tetrabutylammomium bromide; sodium hydrogencarbonate / dichloromethane; water / 16 h / 40 °C / Inert atmosphere

With N-Bromosuccinimide; tetrabutylammomium bromide; sodium hydrogencarbonate; In tetrachloromethane; dichloromethane; water;
DOI:10.1016/j.bmc.2011.06.089