(3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one

Base Information

• Chemical Name: (3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one
• CAS No.: 1005192-54-0
• Molecular Formula: C₃₄H₄₃N₃O₂
• Molecular Weight: 525.734

Synonyms:(3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one

Chemical Property of (3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one

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Technology Process of (3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one

There total 1 articles about (3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-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: 85.0%

(5S)-4-benzyl-6-ethoxy-5-isopropyl-2-methyl-3-oxo-2,3,4,5-tetrahydro-pyrazine + 1-(N,N-dibenzylamino)-3-iodopropane (1005192-49-3) → (3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one (1005192-54-0)

Guidance literature:

(5S)-4-benzyl-6-ethoxy-5-isopropyl-2-methyl-3-oxo-2,3,4,5-tetrahydro-pyrazine; With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 1h;

1-(N,N-dibenzylamino)-3-iodopropane; In tetrahydrofuran; at -78 - 20 ℃; Further stages.;

DOI:10.1016/j.tetasy.2007.10.038

Reference yield: 100.0%

(3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one (1005192-54-0) → (3R,6S)-1-benzyl-3-methyl-3-(3-aminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one (1005192-61-9)

Guidance literature:

With hydrogen; palladium dihydroxide; In methanol; for 24h; under 3800.26 Torr;

DOI:10.1016/j.tetasy.2007.10.038

Reference yield:

(3R,6S)-1-benzyl-3-methyl-3-(3-dibenzylaminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one (1005192-54-0) → (3R,6S)-3-[3-(dibenzylamino)propyl]-5-ethoxy-3,6-dihydro-6-isopropyl-3-methylpyrazin-2(1H)-one (1268691-41-3)

Guidance literature:

With ammonia; lithium; In tetrahydrofuran; tert-butyl alcohol; at -78 ℃; for 0.0833333h; Inert atmosphere;

DOI:10.1002/hlca.201000202

upstream raw materials:

1-(N,N-dibenzylamino)-3-iodopropane

Downstream raw materials:

(3R,6S)-1-benzyl-3-methyl-3-(3-aminopropyl)-5-ethoxy-1,6-dihydro-6-isopropylpyrazin-2-(3H)-one

N₂-{2-[(2R,5S)-6-ethoxy-2,3,4,5-tetrahydro-2-methyl-5-isopropyl-3-oxopyrazin-2-yl]acetyl}-N₅,N₅-dibenzyl-2-methyl-D-ornithyl-L-valine ethyl ester

N2-acetyl-N-[(1S)-1-(ethoxycarbonyl)-2-methylpropyl]-2-methyl-D-α-asparaginyl-N5,N5-dibenzyl-2-methyl-D-ornithyl-L-valine ethyl ester

(3R,6S)-3-[3-(dibenzylamino)propyl]-5-ethoxy-3,6-dihydro-6-isopropyl-3-methylpyrazin-2(1H)-one

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