4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

Base Information

Chemical Name:4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone
CAS No.:264903-79-9
Molecular Formula:C₁₆H₂₁NO₄
Molecular Weight:291.347
Hs Code.:

Synonyms:4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

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Chemical Property of 4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

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Technology Process of 4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

There total 7 articles about 4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone 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: 92.0%

: 247943-18-6
4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-3-carbomethoxy-1-(4-methoxyphenyl)-2-pyrrolidinone

: 264903-79-9
4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

Guidance literature:: With dimethyl sulfoxide; sodium chloride; at 110 ℃; for 28h;
DOI:10.3987/com-99-8805

Reference yield:

: 95422-24-5
methyl (3S)-3,4-O-isopropylidene-3,4-dihydroxybutanoate

: 264903-79-9
4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

Guidance literature:: Multi-step reaction with 7 steps

1: 63 percent / aq. NaOH / acetone / 0.75 h / 0 - 20 °C

2: 86 percent / DMAP; DCC / CH₂Cl₂ / 0 - 20 °C

3: 98 percent / LiAlH₄ / tetrahydrofuran / 17 h / Heating

4: 73 percent / DCC; DMAP / CH₂Cl₂ / 0 - 20 °C

5: 81 percent / KH in oil; methanesulfonyl azide / 1,2-dimethoxy-ethane / 4 h / 0 °C

6: rhodium(II) pivalate / benzene / 80 °C

7: 92 percent / aq. DMSO; NaCl / 28 h / 110 °C

With dmap; sodium hydroxide; lithium aluminium tetrahydride; rhodium(II) pivalate; potassium hydride; dimethyl sulfoxide; Methanesulfonyl azide; dicyclohexyl-carbodiimide; sodium chloride; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; acetone; benzene;
DOI:10.3987/com-99-8805

Reference yield:

: 87319-12-8
(S)-2-(2,2-dimethyl-1,3-dioxolan-4-yl)acetic acid

: 264903-79-9
4-[{(S)-1,2-dihydroxy-1,2-O-isopropylidene}ethyl]-1-(4-methoxyphenyl)-2-pyrrolidinone

Guidance literature:: Multi-step reaction with 6 steps

1: 86 percent / DMAP; DCC / CH₂Cl₂ / 0 - 20 °C

2: 98 percent / LiAlH₄ / tetrahydrofuran / 17 h / Heating

3: 73 percent / DCC; DMAP / CH₂Cl₂ / 0 - 20 °C

4: 81 percent / KH in oil; methanesulfonyl azide / 1,2-dimethoxy-ethane / 4 h / 0 °C

5: rhodium(II) pivalate / benzene / 80 °C

6: 92 percent / aq. DMSO; NaCl / 28 h / 110 °C

With dmap; lithium aluminium tetrahydride; rhodium(II) pivalate; potassium hydride; dimethyl sulfoxide; Methanesulfonyl azide; dicyclohexyl-carbodiimide; sodium chloride; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; benzene;
DOI:10.3987/com-99-8805