Technology Process of carbamic acid, (1S,2S,3R,6Z,8S,9S,10S,11Z)-3,9-bis(4-methoxybenzyloxy)-14-[(2S,3S,4S,5R)-4-methoxymethoxy-3,5-dimethyl-6-oxotetrahydropyran-2-yl]-2,8,10-trimethyl-1-[(1S,2Z)-1-methylpenta-2,4-dienyl]tetradeca-6,11-dienyl ester
There total 39 articles about carbamic acid, (1S,2S,3R,6Z,8S,9S,10S,11Z)-3,9-bis(4-methoxybenzyloxy)-14-[(2S,3S,4S,5R)-4-methoxymethoxy-3,5-dimethyl-6-oxotetrahydropyran-2-yl]-2,8,10-trimethyl-1-[(1S,2Z)-1-methylpenta-2,4-dienyl]tetradeca-6,11-dienyl 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:
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Carbamic acid (6Z,11Z)-(1S,2S,3R,8S,9R,10S)-14-((2S,3R,4S,5R,6R)-6-hydroxy-4-methoxymethoxy-3,5-dimethyl-tetrahydro-pyran-2-yl)-3,9-bis-(4-methoxy-benzyloxy)-2,8,10-trimethyl-1-((Z)-(S)-1-methyl-penta-2,4-dienyl)-tetradeca-6,11-dienyl ester
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565228-57-1
carbamic acid, (1S,2S,3R,6Z,8S,9S,10S,11Z)-3,9-bis(4-methoxybenzyloxy)-14-[(2S,3S,4S,5R)-4-methoxymethoxy-3,5-dimethyl-6-oxotetrahydropyran-2-yl]-2,8,10-trimethyl-1-[(1S,2Z)-1-methylpenta-2,4-dienyl]tetradeca-6,11-dienyl ester
- Guidance literature:
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With
Dess-Martin periodane;
In
dichloromethane;
for 1h;
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565228-57-1
carbamic acid, (1S,2S,3R,6Z,8S,9S,10S,11Z)-3,9-bis(4-methoxybenzyloxy)-14-[(2S,3S,4S,5R)-4-methoxymethoxy-3,5-dimethyl-6-oxotetrahydropyran-2-yl]-2,8,10-trimethyl-1-[(1S,2Z)-1-methylpenta-2,4-dienyl]tetradeca-6,11-dienyl ester
- Guidance literature:
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Multi-step reaction with 15 steps
1.1: Bu2BOTf; N,N-diisopropylethylamine / CH2Cl2 / 0.5 h / 0 °C
1.2: CH2Cl2 / 2.17 h / -78 - 0 °C
1.3: 2.29 g / aq. H2O2; phosphate buffer / CH2Cl2; methanol / 1 h / pH 7.0
2.1: 92 percent / N,N-diisopropylethylamine / CH2Cl2 / Heating
3.1: 83 percent / HF*pyridine; pyridine / methanol / 48 h / 20 °C
4.1: diisobutylaluminum hydride / tetrahydrofuran; CH2Cl2 / 1 h / -78 °C
5.1: pyridinium p-toluenesulfonate / 15 h / 20 °C
6.1: H2 / Pd/C / ethyl acetate / 3 h / 20 °C / atmospheric pressure
7.1: 274 mg / Dess-Martin periodinane / CH2Cl2 / 20 °C
8.1: NaHMDS / tetrahydrofuran / 0.33 h / 20 °C
8.2: 67 percent / tetrahydrofuran / 4.33 h / -78 - 20 °C
9.1: diisobutylaluminum hydride / hexane; CH2Cl2 / 2 h / 0 °C
10.1: 267 mg / Dess-Martin periodinane / CH2Cl2
11.1: 52 percent / NaHMDS / tetrahydrofuran / 4.33 h / -78 - 20 °C
12.1: tetrabutylammonium fluoride / tetrahydrofuran / 48 h / 20 °C
13.1: CH2Cl2 / 0.5 h / 20 °C
13.2: 72 percent / K2CO3 / methanol / 3 h / 20 °C
14.1: aq. AcOH / tetrahydrofuran / 4 h / 70 °C
15.1: 28.3 mg / Dess-Martin periodinane / CH2Cl2 / 1 h
With
pyridine; di-n-butylboryl trifluoromethanesulfonate; tetrabutyl ammonium fluoride; hydrogen; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; Dess-Martin periodane; pyridine hydrogenfluoride; acetic acid; N-ethyl-N,N-diisopropylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; hexane; dichloromethane; ethyl acetate;
7.1: Dess-Martin oxidation / 8.2: Wittig olefination / 10.1: Dess-Martin oxidation / 11.1: Wittig olefination / 15.1: Dess-Martin oxidation;
DOI:10.1021/jm0204136
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565228-57-1
carbamic acid, (1S,2S,3R,6Z,8S,9S,10S,11Z)-3,9-bis(4-methoxybenzyloxy)-14-[(2S,3S,4S,5R)-4-methoxymethoxy-3,5-dimethyl-6-oxotetrahydropyran-2-yl]-2,8,10-trimethyl-1-[(1S,2Z)-1-methylpenta-2,4-dienyl]tetradeca-6,11-dienyl ester
- Guidance literature:
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Multi-step reaction with 12 steps
1.1: diisobutylaluminum hydride / tetrahydrofuran; CH2Cl2 / 1 h / -78 °C
2.1: pyridinium p-toluenesulfonate / 15 h / 20 °C
3.1: H2 / Pd/C / ethyl acetate / 3 h / 20 °C / atmospheric pressure
4.1: 274 mg / Dess-Martin periodinane / CH2Cl2 / 20 °C
5.1: NaHMDS / tetrahydrofuran / 0.33 h / 20 °C
5.2: 67 percent / tetrahydrofuran / 4.33 h / -78 - 20 °C
6.1: diisobutylaluminum hydride / hexane; CH2Cl2 / 2 h / 0 °C
7.1: 267 mg / Dess-Martin periodinane / CH2Cl2
8.1: 52 percent / NaHMDS / tetrahydrofuran / 4.33 h / -78 - 20 °C
9.1: tetrabutylammonium fluoride / tetrahydrofuran / 48 h / 20 °C
10.1: CH2Cl2 / 0.5 h / 20 °C
10.2: 72 percent / K2CO3 / methanol / 3 h / 20 °C
11.1: aq. AcOH / tetrahydrofuran / 4 h / 70 °C
12.1: 28.3 mg / Dess-Martin periodinane / CH2Cl2 / 1 h
With
tetrabutyl ammonium fluoride; hydrogen; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; Dess-Martin periodane; acetic acid;
palladium on activated charcoal;
In
tetrahydrofuran; hexane; dichloromethane; ethyl acetate;
4.1: Dess-Martin oxidation / 5.2: Wittig olefination / 7.1: Dess-Martin oxidation / 8.1: Wittig olefination / 12.1: Dess-Martin oxidation;
DOI:10.1021/jm0204136