(S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

Base Information

Chemical Name:(S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester
CAS No.:119817-82-2
Molecular Formula:C₂₅H₃₀O₅
Molecular Weight:410.51
Hs Code.:

Synonyms:(S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

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Chemical Property of (S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

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Technology Process of (S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

There total 6 articles about (S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl 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:

: 58846-72-3
(2S)-(6-benzyloxy-2,5,7,8-tetramethylchroman-2-yl)acetic acid methyl ester

: 119817-82-2
(S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: aq. 2N NaOH / methanol / 120 h

2: pyridine / CH₂Cl₂

3: 4 h / Heating

With pyridine; sodium hydroxide; In methanol; dichloromethane;

Reference yield:

: 58846-71-2
(-)-(S)-methyl(6-hydroxy-2,5,7,8-tetramethylchroman-2-yl)acetate

: 119817-82-2
(S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 90.4 percent / K₂CO₃ / dimethylformamide / 120 h / Ambient temperature

2: aq. 2N NaOH / methanol / 120 h

3: pyridine / CH₂Cl₂

4: 4 h / Heating

With pyridine; sodium hydroxide; potassium carbonate; In methanol; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 53730-39-5
(S)-(-)-3,4-Dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-acetic acid

: 119817-82-2
(S)-3-oxo-4-<3,4-dihydro-2,5,7,8-tetramethyl-6-benzyloxychroman-2-yl>butanoic acid methyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 214.2 g / TsOH*H₂O / 18 h / Heating

2: 90.4 percent / K₂CO₃ / dimethylformamide / 120 h / Ambient temperature

3: aq. 2N NaOH / methanol / 120 h

4: pyridine / CH₂Cl₂

5: 4 h / Heating

With pyridine; sodium hydroxide; potassium carbonate; toluene-4-sulfonic acid; In methanol; dichloromethane; N,N-dimethyl-formamide;