(2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

Base Information

Chemical Name:(2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester
CAS No.:518308-50-4
Molecular Formula:C₂₆H₂₉NO₅S
Molecular Weight:467.586
Hs Code.:

Synonyms:(2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

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Chemical Property of (2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

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Technology Process of (2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

There total 7 articles about (2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl 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:

: 78-84-2
isobutyraldehyde

: 518308-45-7
Propionic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

: 518308-50-4
(2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

: (2R,3S)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

Guidance literature:: With titanium tetrachloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; acetonitrile; at -78 ℃; for 2h;
DOI:10.1021/ol034086n

Reference yield:

: 98-59-9
p-toluenesulfonyl chloride

: 518308-50-4
(2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 77 percent / DMAP; Et₃N / CH₂Cl₂; acetonitrile / 4 h / 0 °C

2: 95 percent / pyridine / CH₂Cl₂ / 2 h / 0 °C

3: TiCl₄; iPr₂NEt / CH₂Cl₂; acetonitrile / 2 h / -78 °C

With pyridine; dmap; titanium tetrachloride; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane; acetonitrile;
DOI:10.1021/ol034086n

Reference yield:

: 161595-81-9
(1S,2R)-2-amino-1-acenaphthenol

: 518308-50-4
(2R,3R)-3-Hydroxy-2,4-dimethyl-pentanoic acid (1S,2R)-2-(toluene-4-sulfonylamino)-acenaphthen-1-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 77 percent / DMAP; Et₃N / CH₂Cl₂; acetonitrile / 4 h / 0 °C

2: 95 percent / pyridine / CH₂Cl₂ / 2 h / 0 °C

3: TiCl₄; iPr₂NEt / CH₂Cl₂; acetonitrile / 2 h / -78 °C

With pyridine; dmap; titanium tetrachloride; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane; acetonitrile;
DOI:10.1021/ol034086n