(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

Base Information

Chemical Name:(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane
CAS No.:161912-60-3
Molecular Formula:C₂₆H₄₀O₈S
Molecular Weight:512.665
Hs Code.:

(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

Synonyms:(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

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Chemical Property of (2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

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Technology Process of (2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

There total 7 articles about (2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane 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: 100.0%

: 124-63-0
methanesulfonyl chloride

: 161912-59-0
(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-4-((1R)-2-hydroxy-1-methylethyl)>-2-(4-methoxyphenyl)-5-methyl-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

: 161912-60-3
(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

Guidance literature:: With triethylamine; In dichloromethane; at 0 ℃; for 6h;

Reference yield:

: 161912-57-8
(2R,3S)-2-ethyl-3-<(1R,2S,3E)-1-(4-methoxybenzyloxy)-2-methyl-3-pentenyl>-3-methyl-1,4-dioxaspiro<4.4>nonane

: 161912-60-3
(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) O₃/O₂; 2.) Ph₃P / 1.) CH₂Cl₂, -78 deg C; 2.) CH₂Cl₂, -78 deg C to 0 deg C

2: 79 percent / molecular sieves (3 Angstroem) / petroleum ether / 48 h / 25 °C

3: 91 percent / molecular sieves (3 Angstroem), 2,3-dichloro-4,5-dicyanobenzoquinone / CH₂Cl₂ / 6 h / 0 °C

4: 1.) O₃/O₂; 2.) Ph₃P / 1.) CH₂Cl₂, -78 deg C; 2.) CH₂Cl₂, -78 deg C to 0 deg C

5: NaBH₄ / methanol / 10 h

6: 100 percent / Et₃N / CH₂Cl₂ / 6 h / 0 °C

With sodium tetrahydroborate; 3 A molecular sieve; oxygen; ozone; triethylamine; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In methanol; dichloromethane; Petroleum ether;

Reference yield:

: 147033-09-8
(2R,3S)-2-ethyl-3-<(1R,2S,3S,4R,5E)-3-hydroxy-1-(4-methoxybenzyloxy)-2,4-dimethyl-5-heptenyl>-3-methyl-1,4-dioxaspiro<4.4>nonane

: 161912-60-3
(2R,3S)-2-ethyl-3-<<(2R,4S,3S,5S,6R)-2-(4-methoxyphenyl)-5-methyl-4-((1R)-1-methyl-2-(methylsulfonyloxy)ethyl)>-1,3-dioxan-6-yl>-3-methyl-1,4-dioxaspiro<4.4>nonane

Guidance literature:: Multi-step reaction with 4 steps

1: 91 percent / molecular sieves (3 Angstroem), 2,3-dichloro-4,5-dicyanobenzoquinone / CH₂Cl₂ / 6 h / 0 °C

2: 1.) O₃/O₂; 2.) Ph₃P / 1.) CH₂Cl₂, -78 deg C; 2.) CH₂Cl₂, -78 deg C to 0 deg C

3: NaBH₄ / methanol / 10 h

4: 100 percent / Et₃N / CH₂Cl₂ / 6 h / 0 °C

With sodium tetrahydroborate; 3 A molecular sieve; oxygen; ozone; triethylamine; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In methanol; dichloromethane;