(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

Base Information

Chemical Name:(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester
CAS No.:257876-95-2
Molecular Formula:C₈H₁₀F₂O₄
Molecular Weight:208.162
Hs Code.:

Synonyms:(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

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Chemical Property of (4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

Chemical Property:

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Technology Process of (4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

There total 5 articles about (4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl 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: 80.0%

: 257876-94-1
(3aR,7aR)-7,7-Difluoro-2,2-dimethyl-3a,4,7,7a-tetrahydro-benzo[1,3]dioxole-5-carboxylic acid methyl ester

: 257876-95-2
(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

Guidance literature:: With trifluoroacetic acid; at 20 ℃; for 4h;
DOI:10.1016/S0957-4166(99)00447-4

Reference yield:

: 77-95-2
D-(-)-quinic acid

: 257876-95-2
(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 18 percent / p-TsOH / benzene / 18 h / Heating

2: 78 percent / NaOMe / 4 h / 20 °C

3: 55 percent / PCC; pyridine; 4 Angstroem molecular sieve / CH₂Cl₂ / 30 h / 20 °C

4: 60 percent / N,N-diethylaminosulphur trifluoride / CH₂Cl₂ / 20 h / 20 °C

5: 80 percent / aq. TFA / 4 h / 20 °C

With pyridine; diethylamino-sulfur trifluoride; 4 A molecular sieve; sodium methylate; toluene-4-sulfonic acid; pyridinium chlorochromate; trifluoroacetic acid; In dichloromethane; benzene;
DOI:10.1016/S0957-4166(99)00447-4

Reference yield:

: 130474-38-3
3,4-isopropylidenequinide

: 257876-95-2
(4R,5R)-3,3-Difluoro-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 78 percent / NaOMe / 4 h / 20 °C

2: 55 percent / PCC; pyridine; 4 Angstroem molecular sieve / CH₂Cl₂ / 30 h / 20 °C

3: 60 percent / N,N-diethylaminosulphur trifluoride / CH₂Cl₂ / 20 h / 20 °C

4: 80 percent / aq. TFA / 4 h / 20 °C

With pyridine; diethylamino-sulfur trifluoride; 4 A molecular sieve; sodium methylate; pyridinium chlorochromate; trifluoroacetic acid; In dichloromethane;
DOI:10.1016/S0957-4166(99)00447-4