2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

Base Information

Chemical Name:2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester
CAS No.:125475-50-5
Molecular Formula:C₂₂H₂₇NO₆Se
Molecular Weight:480.419
Hs Code.:

Synonyms:2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

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Chemical Property of 2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

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Technology Process of 2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

There total 10 articles about 2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester 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:

: 64805-71-6
4-bromo-2-methylbutanoic acid

: 125475-50-5
2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 93 percent / borane-tetrahydrofuran complex / tetrahydrofuran / 1 h / 0 °C

2: 48 percent / DMAP, Et₃N / CH₂Cl₂ / 2 h / Ambient temperature

3: 1.) NaH / 1.) THF, reflux, 1.5 h, 2.) reflux, 16 h

4: 98 percent / aq. HF / acetonitrile / 1 h / Ambient temperature

5: tri-n-butyl phosphine / tetrahydrofuran / 0.75 h

With dmap; borane-THF; tributylphosphine; hydrogen fluoride; sodium hydride; triethylamine; In tetrahydrofuran; dichloromethane; acetonitrile;

Reference yield:

: 123366-81-4
4-bromo-2-methyl-1-butanol

: 125475-50-5
2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 48 percent / DMAP, Et₃N / CH₂Cl₂ / 2 h / Ambient temperature

2: 1.) NaH / 1.) THF, reflux, 1.5 h, 2.) reflux, 16 h

3: 98 percent / aq. HF / acetonitrile / 1 h / Ambient temperature

4: tri-n-butyl phosphine / tetrahydrofuran / 0.75 h

With dmap; tributylphosphine; hydrogen fluoride; sodium hydride; triethylamine; In tetrahydrofuran; dichloromethane; acetonitrile;

Reference yield:

: 125475-23-2
1-bromo-4-<(tert-butyldimethylsilyl)oxy>-3-methylbutane

: 125475-50-5
2-(1-Methyl-cyclopenta-2,4-dienyl)-2-[3-methyl-4-(2-nitro-phenylselanyl)-butyl]-malonic acid dimethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) NaH / 1.) THF, reflux, 1.5 h, 2.) reflux, 16 h

2: 98 percent / aq. HF / acetonitrile / 1 h / Ambient temperature

3: tri-n-butyl phosphine / tetrahydrofuran / 0.75 h

With tributylphosphine; hydrogen fluoride; sodium hydride; In tetrahydrofuran; acetonitrile;