(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

Base Information

Chemical Name:(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one
CAS No.:1350820-27-7
Molecular Formula:C₁₉H₂₆N₂O₂S
Molecular Weight:346.494
Hs Code.:

Synonyms:(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

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Chemical Property of (R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

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Technology Process of (R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

There total 5 articles about (R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one 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: 60.0%

: 107-86-8
3,3-dimethyl acrylaldehyde

: 1350820-11-9
(S)-N-acetyl-4-isopropyl-1-phenylimidazolidin-2-thione

: 1350820-27-7
(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

Guidance literature:: (S)-N-acetyl-4-isopropyl-1-phenylimidazolidin-2-thione; With titanium tetrachloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; at -78 ℃; for 1.16667h; Inert atmosphere;

3,3-dimethyl acrylaldehyde; In dichloromethane; at -78 ℃; for 0.5h; optical yield given as %de; stereoselective reaction; Inert atmosphere;
DOI:10.1055/s-0030-1260187

Reference yield:

: 433285-46-2
(S)-4-isopropyl-1-phenylimidazolidin-2-thione

: 1350820-27-7
(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere

1.2: 1 h / 0 °C / Inert atmosphere

2.1: titanium tetrachloride; N-ethyl-N,N-diisopropylamine / dichloromethane / 1.17 h / -78 °C / Inert atmosphere

2.2: 0.5 h / -78 °C / Inert atmosphere

With titanium tetrachloride; sodium hydride; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane; 2.1: Aldol condensation / 2.2: Aldol condensation;
DOI:10.1055/s-0030-1260187

Reference yield:

: 72-18-4,25609-85-2,7004-03-7,921-10-8
L-valine

: 1350820-27-7
(R)-3-hydroxy-1-[(S)-5-isopropyl-3-phenyl-2-thioxoimidazolidin-1-yl]-5-methylhex-4-en-1-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: triethylamine / 1,4-dioxane; water / 1 h / 0 °C

1.2: 12 h / 20 °C / pH 2

2.1: lithium aluminium tetrahydride / diethyl ether / 12 h / Inert atmosphere; Reflux

3.1: sodium hydride / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere

3.2: 1 h / 0 °C / Inert atmosphere

4.1: titanium tetrachloride; N-ethyl-N,N-diisopropylamine / dichloromethane / 1.17 h / -78 °C / Inert atmosphere

4.2: 0.5 h / -78 °C / Inert atmosphere

With lithium aluminium tetrahydride; titanium tetrachloride; sodium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; 1,4-dioxane; diethyl ether; dichloromethane; water; 4.1: Aldol condensation / 4.2: Aldol condensation;
DOI:10.1055/s-0030-1260187