ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

Base Information

Chemical Name:ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate
CAS No.:741685-92-7
Molecular Formula:C₅₀H₆₁NO₇Si
Molecular Weight:816.122
Hs Code.:

Synonyms:ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

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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 ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

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Technology Process of ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

There total 1 articles about ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate 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%

: 58479-61-1
tert-butylchlorodiphenylsilane

: 741685-83-6
ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-7,8-dihydroxyoctanoate

: 741685-92-7
ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

Guidance literature:: With 1H-imidazole; In dichloromethane; at 20 ℃; for 6h;
DOI:10.1002/ejoc.200300805

Reference yield: 96.0%

: 28920-43-6
(fluorenylmethoxy)carbonyl chloride

: 741685-92-7
ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

: 741686-00-0
ethyl (3R,4S,5R,6R,7R)-3-{allyl[(9H-fluoren-9-yl)methoxycarbonyl]amino}-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

Guidance literature:: With sodium carbonate; In 1,4-dioxane; for 2h;
DOI:10.1002/ejoc.200300805

Reference yield:

: 741685-92-7
ethyl (3R,4S,5R,6R,7R)-3-(allylamino)-4,5,6-tris(benzyloxy)-8-[(tert-butyldiphenylsilyl)oxy]-7-hydroxyoctanoate

: 741686-28-2
ethyl [(2R,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(hydroxymethyl)piperidin-2-yl]acetate

Guidance literature:: Multi-step reaction with 5 steps

1.1: 96 percent / aq. Na₂CO₃ / dioxane / 2 h

2.1: PCC; molecular sieves (4 Angstroem) / CH₂Cl₂ / 12 h

3.1: piperidine / dimethylformamide / 0.33 h

3.2: 140 mg / Na₂SO₄; AcOH; NaBH(OAc)3 / 1,2-dichloro-ethane / 6 h

4.1: 73 percent / TBAF / tetrahydrofuran / 12 h / 20 °C

5.1: 100 percent / dimethylbarbituric acid / Pd(PPh₃)4 / CH₂Cl₂ / 2 h / 35 °C

With piperidine; 1,3-dimethylbarbituric acid; 4 A molecular sieve; tetrabutyl ammonium fluoride; sodium carbonate; pyridinium chlorochromate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/ejoc.200300805