Technology Process of (2R)-2-{(2S,3R,4S,5S,6R)-2-[(2R,3R)-1,4-dimethoxy-1,4-dioxo-3-((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yloxy)butan-2-yloxy]-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yloxy}-3-phenylpropanoic acid
There total 7 articles about (2R)-2-{(2S,3R,4S,5S,6R)-2-[(2R,3R)-1,4-dimethoxy-1,4-dioxo-3-((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yloxy)butan-2-yloxy]-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yloxy}-3-phenylpropanoic acid which
guide to synthetic route it.
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synthetic route:
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1403603-68-8
(2R)-2-{(2S,3R,4S,5S,6R)-2-[(2R,3R)-1,4-dimethoxy-1,4-dioxo-3-((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yloxy)butan-2-yloxy]-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yloxy}-3-phenylpropanoic acid
- Guidance literature:
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With
palladium 10% on activated carbon; hydrogen;
In
1,4 dimethylcyclohexane;
at 20 ℃;
Inert atmosphere;
DOI:10.1021/ml300263x
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1403603-68-8
(2R)-2-{(2S,3R,4S,5S,6R)-2-[(2R,3R)-1,4-dimethoxy-1,4-dioxo-3-((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yloxy)butan-2-yloxy]-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yloxy}-3-phenylpropanoic acid
- Guidance literature:
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Multi-step reaction with 7 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 0 °C / Inert atmosphere
1.2: 20 °C / Inert atmosphere
2.1: dichloromethane / 4 h / Molecular sieve; Inert atmosphere
2.2: 1 h / -30 °C / Inert atmosphere
3.1: dichloromethane / 4 h / Molecular sieve; Inert atmosphere
3.2: 1 h / -30 °C / Inert atmosphere
4.1: sodium methylate / methanol / 5 °C / Inert atmosphere
5.1: camphor-10-sulfonic acid; triethylamine / acetonitrile / 2 h / Inert atmosphere
6.1: di(n-butyl)tin oxide / methanol / 2 h / Inert atmosphere; Reflux
6.2: 1.25 h / Inert atmosphere
7.1: palladium 10% on activated carbon; hydrogen / 1,4 dimethylcyclohexane / 20 °C / Inert atmosphere
With
palladium 10% on activated carbon; camphor-10-sulfonic acid; hydrogen; sodium methylate; sodium hydride; di(n-butyl)tin oxide; triethylamine;
In
methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile; 1,4 dimethylcyclohexane;
DOI:10.1021/ml300263x
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1403603-68-8
(2R)-2-{(2S,3R,4S,5S,6R)-2-[(2R,3R)-1,4-dimethoxy-1,4-dioxo-3-((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yloxy)butan-2-yloxy]-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yloxy}-3-phenylpropanoic acid
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: camphor-10-sulfonic acid; triethylamine / acetonitrile / 2 h / Inert atmosphere
2.1: di(n-butyl)tin oxide / methanol / 2 h / Inert atmosphere; Reflux
2.2: 1.25 h / Inert atmosphere
3.1: palladium 10% on activated carbon; hydrogen / 1,4 dimethylcyclohexane / 20 °C / Inert atmosphere
With
palladium 10% on activated carbon; camphor-10-sulfonic acid; hydrogen; di(n-butyl)tin oxide; triethylamine;
In
methanol; acetonitrile; 1,4 dimethylcyclohexane;
DOI:10.1021/ml300263x