(E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

Base Information

Chemical Name:(E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester
CAS No.:634578-95-3
Molecular Formula:C₃₃H₄₂O₁₁S
Molecular Weight:646.756
Hs Code.:

Synonyms:(E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

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Chemical Property of (E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

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Technology Process of (E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

There total 6 articles about (E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl 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: 81.0%

: 634578-93-1
(E)-(4R,5S)-4-(4-Methoxy-benzyloxy)-5-((R)-3-methoxymethoxy-butyryloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

: 634578-95-3
(E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

Guidance literature:: With chloro-trimethyl-silane; sodium iodide; In acetonitrile; at -20 ℃; for 6h;
DOI:10.1016/j.tetlet.2003.09.034

Reference yield:

: 634578-78-2
(E)-(S)-5-Formyloxy-hex-2-enoic acid 2-(toluene-4-sulfonyl)-ethyl ester

: 634578-95-3
(E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 78 percent / HCl / dioxane; H₂O / 12 h / 20 °C

2: 88 percent / 2,4,6-trichlorobenzoyl chloride; Et₃N; DMAP / tetrahydrofuran; toluene / 12 h / 20 °C

3: 84 percent / TMSCl; H₂O / acetonitrile / 8 h / 20 °C

4: 75 percent / 2,4,6-trichlorobenzoyl chloride; Et₃N; DMAP / tetrahydrofuran; toluene / 24 h / 20 °C

5: 81 percent / TMSCl; NaI / acetonitrile / 6 h / -20 °C

With hydrogenchloride; dmap; chloro-trimethyl-silane; 2,4,6-trichlorobenzoyl chloride; water; triethylamine; sodium iodide; In tetrahydrofuran; 1,4-dioxane; water; toluene; acetonitrile;
DOI:10.1016/j.tetlet.2003.09.034

Reference yield:

: 634578-67-9
trans-(4R,5S)-5-tert-butyldimethylsilyloxy-4-p-methoxybenzyloxy-2-hexenoic acid

: 634578-95-3
(E)-(4R,5S)-5-((R)-3-Hydroxy-butyryloxy)-4-(4-methoxy-benzyloxy)-hex-2-enoic acid (E)-(S)-1-methyl-4-[2-(toluene-4-sulfonyl)-ethoxycarbonyl]-but-3-enyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 88 percent / 2,4,6-trichlorobenzoyl chloride; Et₃N; DMAP / tetrahydrofuran; toluene / 12 h / 20 °C

2: 84 percent / TMSCl; H₂O / acetonitrile / 8 h / 20 °C

3: 75 percent / 2,4,6-trichlorobenzoyl chloride; Et₃N; DMAP / tetrahydrofuran; toluene / 24 h / 20 °C

4: 81 percent / TMSCl; NaI / acetonitrile / 6 h / -20 °C

With dmap; chloro-trimethyl-silane; 2,4,6-trichlorobenzoyl chloride; water; triethylamine; sodium iodide; In tetrahydrofuran; toluene; acetonitrile;
DOI:10.1016/j.tetlet.2003.09.034