(2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

Base Information

Chemical Name:(2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one
CAS No.:914644-71-6
Molecular Formula:C₂₇H₃₆N₂O₂
Molecular Weight:420.595
Hs Code.:

Synonyms:(2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

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Chemical Property of (2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

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Technology Process of (2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

There total 5 articles about (2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-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: 49.0%

: 914644-70-5
3-isobutylbenzyl bromide

: 139119-51-0
(2R)-1-benzoyl-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

: 914644-71-6
(2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

Guidance literature:: (2R)-1-benzoyl-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one; With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; for 1.33333h;

3-isobutylbenzyl bromide; In tetrahydrofuran; at -78 - 20 ℃; for 7h;

Reference yield:

: 591-18-4
1-Bromo-3-iodobenzene

: 914644-71-6
(2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / diethyl ether; toluene / 3 h / 20 - 40 °C

2.1: n-butyllithium / hexanes; diethyl ether / 0.25 h / 0 °C

2.2: 1.33 h / 0 - 20 °C / Heating / reflux

3.1: sodium tetrahydroborate / ethanol / 18.17 h / 0 - 20 °C

4.1: hydrogen bromide; acetic acid / 2 h / Heating / reflux

5.1: lithium diisopropyl amide / tetrahydrofuran / 1.33 h / -78 °C

5.2: 7 h / -78 - 20 °C

With sodium tetrahydroborate; n-butyllithium; hydrogen bromide; acetic acid; lithium diisopropyl amide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexanes; diethyl ether; ethanol; toluene;

Reference yield:

: 139155-55-8
1-bromo-3-isobutylbenzene

: 914644-71-6
(2R,5S)-1-benzoyl-5-(3-isobutylbenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: n-butyllithium / hexanes; diethyl ether / 0.25 h / 0 °C

1.2: 1.33 h / 0 - 20 °C / Heating / reflux

2.1: sodium tetrahydroborate / ethanol / 18.17 h / 0 - 20 °C

3.1: hydrogen bromide; acetic acid / 2 h / Heating / reflux

4.1: lithium diisopropyl amide / tetrahydrofuran / 1.33 h / -78 °C

4.2: 7 h / -78 - 20 °C

With sodium tetrahydroborate; n-butyllithium; hydrogen bromide; acetic acid; lithium diisopropyl amide; In tetrahydrofuran; hexanes; diethyl ether; ethanol;