2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

Base Information

Chemical Name:2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one
CAS No.:276690-21-2
Molecular Formula:C₃₂H₄₄O₉
Molecular Weight:572.696
Hs Code.:

Synonyms:2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

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Chemical Property of 2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

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Technology Process of 2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

There total 10 articles about 2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one 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: 75.0%

: 276690-20-1
(4S,5S,6S,7R)-8-Benzyloxy-5,7-dimethoxy-4,6-dimethyloctanoic acid 3,5-dimethoxy-2-methoxymethoxy-6-propionylphenyl ester

: 276690-21-2
2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

Guidance literature:: With sodium methylate; In methanol; for 2h; Heating;

Reference yield:

: 500-99-2
3,5-dimethoxyphenol

: 276690-21-2
2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 6 steps

1: 73 percent / P₄O₁₀; H₃PO₄ / 1 h / 70 °C

2: 87 percent / TFA; MCPBA / CH₂Cl₂ / 16 h / 0 - 5 °C

3: 99 percent / aq. HCl / methanol / 2 h / Heating

4: 98 percent / DIPEA / CH₂Cl₂ / 20 °C

5: 240 mg / DMAP / CH₂Cl₂ / 3 h / 20 °C

6: 75 percent / NaOMe / methanol / 2 h / Heating

With hydrogenchloride; dmap; phosphorus pentoxide; phosphoric acid; sodium methylate; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid; In methanol; dichloromethane; 1: Acylation / 2: Baeyer-Villiger oxidation / 3: Hydrolysis / 4: Etherification / 5: Esterification / 6: Cyclization;

Reference yield:

: 94190-89-3
1-(2,3-Dihydroxy-4,6-dimethoxyphenyl)propan-1-one

: 276690-21-2
2-[(3S,4S,5S,6R)-7-Benzyloxy-4,6-dimethylheptyl]-5,7-dimethoxy-8-methoxymethoxy-3-methyl-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 3 steps

1: 98 percent / DIPEA / CH₂Cl₂ / 20 °C

2: 240 mg / DMAP / CH₂Cl₂ / 3 h / 20 °C

3: 75 percent / NaOMe / methanol / 2 h / Heating

With dmap; sodium methylate; N-ethyl-N,N-diisopropylamine; In methanol; dichloromethane; 1: Etherification / 2: Esterification / 3: Cyclization;