{4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

Base Information

Chemical Name:{4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester
CAS No.:253329-22-5
Molecular Formula:C₂₅H₃₄O₅
Molecular Weight:414.542
Hs Code.:

Synonyms:{4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

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Chemical Property of {4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

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Technology Process of {4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

There total 12 articles about {4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl 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: 66.0%

: 253329-21-4
{4-[4-hydroxy-1-(3-isopropyl-4-triisopropylsilanyloxy-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

: 253329-22-5
{4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

Guidance literature:: With triethylamine tris(hydrogen fluoride); In tetrahydrofuran; for 15h;

Reference yield:

: 88-69-7
2-(1-methylethyl)phenol

: 253329-22-5
{4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 9 steps

1.1: 63 percent / Br₂ / CH₂Cl₂

2.1: 72 percent / imidazole / 1,2-dichloro-ethane

3.1: n-BuLi / tetrahydrofuran / -78 °C

3.2: CeCl₃ / tetrahydrofuran / -78 °C

3.3: tetrahydrofuran / -78 °C

4.1: TFA / CH₂Cl₂ / -45 °C

5.1: 85 percent / Et₃N*3HF / tetrahydrofuran

6.1: 100 percent / Cs₂CO₃ / dimethylformamide

7.1: 75 percent / TFA / CH₂Cl₂ / -45 °C

8.1: BH₃*THF

8.2: 51 percent / NaOH; H₂O₂

9.1: Et₃N*3HF / tetrahydrofuran

With 1H-imidazole; n-butyllithium; borane-THF; bromine; caesium carbonate; triethylamine tris(hydrogen fluoride); trifluoroacetic acid; In tetrahydrofuran; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1016/S0960-894X(01)00521-2

Reference yield:

: 7463-51-6
4-bromo-3,5-dimethylphenol

: 253329-22-5
{4-[4-hydroxy-1-(4-hydroxy-3-isopropyl-phenyl)-butyl]-3,5-dimethyl-phenoxy}-acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 9 steps

1.1: 100 percent / CH₂Cl₂

2.1: n-BuLi / tetrahydrofuran / -78 °C

2.2: 71 percent / tetrahydrofuran / -78 °C

3.1: n-BuLi / tetrahydrofuran / -78 °C

3.2: CeCl₃ / tetrahydrofuran / -78 °C

3.3: tetrahydrofuran / -78 °C

4.1: TFA / CH₂Cl₂ / -45 °C

5.1: 85 percent / Et₃N*3HF / tetrahydrofuran

6.1: 100 percent / Cs₂CO₃ / dimethylformamide

7.1: 75 percent / TFA / CH₂Cl₂ / -45 °C

8.1: BH₃*THF

8.2: 51 percent / NaOH; H₂O₂

9.1: Et₃N*3HF / tetrahydrofuran

With n-butyllithium; borane-THF; caesium carbonate; triethylamine tris(hydrogen fluoride); trifluoroacetic acid; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0960-894X(01)00521-2