Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

Base Information

Chemical Name:Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester
CAS No.:263024-64-2
Molecular Formula:C₄₂H₅₀N₂O₆P₂
Molecular Weight:740.816
Hs Code.:

Synonyms:Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

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Chemical Property of Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

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Technology Process of Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

There total 6 articles about Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester 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: 83.0%

: 125367-16-0
2,3-O-diacetyl-L-tartaric acid dichloride

: 146476-37-1,1400149-69-0
(2S)-1-(diphenylphosphino)-3-methylbutan-2-amine

: 263024-64-2
Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

Guidance literature:: With triethylamine; In diethyl ether; at -78 - 20 ℃;
DOI:10.1016/S0040-4020(99)01075-3

Reference yield:

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

: 263024-64-2
Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 60 percent / LiAlH₄ / tetrahydrofuran / 6 h / Heating

2: 95 percent / Et₃N / dioxane; H₂O / 12 h / 20 °C

3: 80 percent / pyridine / 12 h / 0 °C

4: 95 percent / HBr / acetic acid / 1 h / 20 °C

5: 43 percent / tetrahydrofuran / 5 h / 20 °C

6: 83 percent / Et₃N / diethyl ether / -78 - 20 °C

With pyridine; lithium aluminium tetrahydride; hydrogen bromide; triethylamine; In tetrahydrofuran; 1,4-dioxane; diethyl ether; water; acetic acid; 1: Reduction / 2: Acylation / 3: Substitution / 4: Substitution / 5: Substitution / 6: Acylation;
DOI:10.1016/S0040-4020(99)01075-3

Reference yield:

: 2026-48-4,473-75-6
(S)-valinol

: 263024-64-2
Acetic acid (1R,2R)-2-acetoxy-1,2-bis-{(S)-1-[(diphenylphosphanyl)-methyl]-2-methyl-propylcarbamoyl}-ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 95 percent / Et₃N / dioxane; H₂O / 12 h / 20 °C

2: 80 percent / pyridine / 12 h / 0 °C

3: 95 percent / HBr / acetic acid / 1 h / 20 °C

4: 43 percent / tetrahydrofuran / 5 h / 20 °C

5: 83 percent / Et₃N / diethyl ether / -78 - 20 °C

With pyridine; hydrogen bromide; triethylamine; In tetrahydrofuran; 1,4-dioxane; diethyl ether; water; acetic acid; 1: Acylation / 2: Substitution / 3: Substitution / 4: Substitution / 5: Acylation;
DOI:10.1016/S0040-4020(99)01075-3