Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

Base Information

Chemical Name:Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester
CAS No.:101946-95-6
Molecular Formula:C₂₁H₂₀O₈
Molecular Weight:400.385
Hs Code.:

Synonyms:Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

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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 Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

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Technology Process of Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

There total 9 articles about Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-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: 99.0%

: 101946-92-3
(2R^*,3R^*)-3,5,4'-triacetoxyflavanone

: 101946-95-6
Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

Guidance literature:: With sodium tetrahydroborate; In methanol; at -30 ℃; for 1.75h;
DOI:10.1248/cpb.33.3134

Reference yield:

: 699-83-2
2,6-dihydroxylacetophenone

: 101946-95-6
Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 29 percent / K₂CO₃ / acetone / 3 h / Heating

2: 73 percent / KOH / ethanol / 3 h / Ambient temperature

3: 83 percent / H₂O₂ (30percent), 2N NaOH / methanol / 2 h / Ambient temperature

4: 61 percent / HCl / methanol / 3.5 h / Ambient temperature

5: 96 percent / pyridine / 6 h / Ambient temperature

6: NaBH₄ / propan-2-ol / 1 h / Ambient temperature

With hydrogenchloride; potassium hydroxide; sodium hydroxide; sodium tetrahydroborate; dihydrogen peroxide; potassium carbonate; In pyridine; methanol; ethanol; isopropyl alcohol; acetone;
DOI:10.1248/cpb.33.3134

Reference yield:

: 6515-21-5
4-methoxymethoxy-benzaldehyde

: 101946-95-6
Acetic acid (2S,3R,4S)-3-acetoxy-2-(4-acetoxy-phenyl)-4-hydroxy-chroman-5-yl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 73 percent / KOH / ethanol / 3 h / Ambient temperature

2: 83 percent / H₂O₂ (30percent), 2N NaOH / methanol / 2 h / Ambient temperature

3: 61 percent / HCl / methanol / 3.5 h / Ambient temperature

4: 96 percent / pyridine / 6 h / Ambient temperature

5: NaBH₄ / propan-2-ol / 1 h / Ambient temperature

With hydrogenchloride; potassium hydroxide; sodium hydroxide; sodium tetrahydroborate; dihydrogen peroxide; In pyridine; methanol; ethanol; isopropyl alcohol;
DOI:10.1248/cpb.33.3134