(2R^,3S^)-3,4-diacetoxy-5-methoxy flavan

Base Information

Chemical Name:(2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan
CAS No.:101946-97-8
Molecular Formula:C₂₀H₂₀O₆
Molecular Weight:356.375
Hs Code.:

(2R<sup>*</sup>,3S<sup>*</sup>)-3,4-diacetoxy-5-methoxy flavan

Synonyms:

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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 (2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan

Chemical Property:

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Technology Process of (2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan

There total 9 articles about (2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan 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:

: 699-83-2
2,6-dihydroxylacetophenone

: 101946-97-8
(2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan

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: 1.) NaBH₄; 2.) K₂CO₃ / 1.) isopropanol, 1 h, RT_.; 2.) acetone, reflux, 4 h

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

Reference yield:

: 6515-21-5
4-methoxymethoxy-benzaldehyde

: 101946-97-8
(2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan

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: 1.) NaBH₄; 2.) K₂CO₃ / 1.) isopropanol, 1 h, RT_.; 2.) acetone, reflux, 4 h

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

Reference yield:

: 76434-54-3
2',6'-bis(methoxymethoxy)acetophenone

: 101946-97-8
(2R^*,3S^*)-3,4-diacetoxy-5-methoxy flavan

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: 1.) NaBH₄; 2.) K₂CO₃ / 1.) isopropanol, 1 h, RT_.; 2.) acetone, reflux, 4 h

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