(2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

Base Information

Chemical Name:(2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one
CAS No.:255871-67-1
Molecular Formula:C₂₅H₃₂N₂O₂
Molecular Weight:392.541
Hs Code.:

Synonyms:(2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

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Chemical Property of (2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

Chemical Property:

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Technology Process of (2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

There total 3 articles about (2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-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: 76.0%

: 75-03-6
ethyl iodide

: 183182-00-5
1-benzoyl-(2S)-tert-butyl-3-methyl-(5R)-benzylperhydropyrimidin-4-one

: 255871-67-1
(2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

Guidance literature:: 1-benzoyl-(2S)-tert-butyl-3-methyl-(5R)-benzylperhydropyrimidin-4-one; With lithium diisopropyl amide; In tetrahydrofuran; at -20 ℃; for 1h;

ethyl iodide; With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; In tetrahydrofuran; at -78 ℃;
DOI:10.1016/S0957-4166(99)00328-6

Reference yield:

: 100-39-0
benzyl bromide

: 255871-67-1
(2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium diisopropylamide / tetrahydrofuran / 1 h / -78 °C

1.2: 80 percent / tetrahydrofuran / -78 °C

2.1: lithium diisopropylamide / tetrahydrofuran / 1 h / -20 °C

2.2: 76 percent / N,N'-dimethylpropyleneurea / tetrahydrofuran / -78 °C

With lithium diisopropyl amide; In tetrahydrofuran; 1.1: Metallation / 1.2: Alkylation / 2.1: Metallation / 2.2: Alkylation;
DOI:10.1016/S0957-4166(99)00328-6

Reference yield:

: 139119-52-1
1-benzoyl-2(S)-tert-butyl-3-methylperhydropyrimidin-4-one

: 255871-67-1
(2S,5S)-1-benzoyl-2-tert-butyl-3-methyl-5-benzyl-5-ethylperhydropyrimidin-4-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium diisopropylamide / tetrahydrofuran / 1 h / -78 °C

1.2: 80 percent / tetrahydrofuran / -78 °C

2.1: lithium diisopropylamide / tetrahydrofuran / 1 h / -20 °C

2.2: 76 percent / N,N'-dimethylpropyleneurea / tetrahydrofuran / -78 °C

With lithium diisopropyl amide; In tetrahydrofuran; 1.1: Metallation / 1.2: Alkylation / 2.1: Metallation / 2.2: Alkylation;
DOI:10.1016/S0957-4166(99)00328-6