(4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

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Chemical Name:(4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester
CAS No.:664982-46-1
Molecular Formula:C₂₄H₂₈O₉
Molecular Weight:460.481
Hs Code.:

Synonyms:(4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

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Chemical Property of (4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

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Technology Process of (4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

There total 4 articles about (4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl 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: 94.0%

: 77-76-9
2,2-dimethoxy-propane

: 664982-35-8
(2S,3R)-3-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,3-dihydroxy-propionic acid ethyl ester

: 664982-46-1
(4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

Guidance literature:: With toluene-4-sulfonic acid; In dichloromethane; at 20 ℃;
DOI:10.1021/ol035908j

Reference yield:

: 74199-04-5
4,5,6-trimethoxy-3',4'-mehylendioxybiphenyl-2-carbaldehyde

: 664982-46-1
(4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: CH₂Cl₂ / 3 h / 20 °C

1.2: 80 percent / K₂OsO₄*2H₂O; methanesulfonamide; potassium carbonate / (DHQD)2PHAL; K₃Fe(CN)6 / 2-methyl-propan-2-ol; H₂O / 18 h / 0 °C

2.1: 94 percent / p-toluenesulfonic acid / CH₂Cl₂ / 20 °C

With toluene-4-sulfonic acid; In dichloromethane; 1.1: Horner-Wadsworth-Emmons reaction / 1.2: Sharpless asymmetric dihydroxylation;
DOI:10.1021/ol035908j

Reference yield:

: 35274-53-4
2-bromo-3,4,5-tri-methoxybenzaldehyde

: 664982-46-1
(4S,5R)-5-(2-Benzo[1,3]dioxol-5-yl-3,4,5-trimethoxy-phenyl)-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 79 percent / sodium carbonate; tetrakis(triphenylphosphine)palladium⁽⁰⁾ / benzene; ethanol / 24 h / Heating

2.1: CH₂Cl₂ / 3 h / 20 °C

2.2: 80 percent / K₂OsO₄*2H₂O; methanesulfonamide; potassium carbonate / (DHQD)2PHAL; K₃Fe(CN)6 / 2-methyl-propan-2-ol; H₂O / 18 h / 0 °C

3.1: 94 percent / p-toluenesulfonic acid / CH₂Cl₂ / 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; toluene-4-sulfonic acid; In ethanol; dichloromethane; benzene; 1.1: Suzuki coupling / 2.1: Horner-Wadsworth-Emmons reaction / 2.2: Sharpless asymmetric dihydroxylation;
DOI:10.1021/ol035908j