Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate

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Chemical Name:Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate
CAS No.:117854-11-2
Molecular Formula:C₂₁H₃₀N₂O₄
Molecular Weight:374.48
Hs Code.:

Synonyms:Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate

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Technology Process of Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate

There total 2 articles about Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate 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: 96.0%

: 117854-09-8
(E)-5-((2R,5S)-5-Isopropyl-3,6-dimethoxy-2,5-dihydro-pyrazin-2-yl)-5-phenyl-pent-3-enoic acid methyl ester

: 117854-11-2
Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate

Guidance literature:: With hydrogen; nickel; In ethanol; for 3h; Ambient temperature;
DOI:10.1055/s-1988-27504

Reference yield:

: 38447-05-1,38448-84-9,101934-35-4,121411-05-0,1516-24-1,24196-39-2
(2E,4E)-methyl 5-phenylpenta-2,4-dienoate

: 117854-11-2
Methyl 5-<(2R,5S)-5-isopropyl-3,6-dimethoxy-2,5-dihydro-2-pyrazinyl>-5-phenylpentanoate

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) BuLi / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, -78 deg C, 3 h

2: 96 percent / H₂ / Raney-Ni / ethanol / 3 h / Ambient temperature

With n-butyllithium; hydrogen; nickel; In ethanol;
DOI:10.1055/s-1988-27504