(5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

Base Information

• Chemical Name: (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one
• CAS No.: 902782-24-5
• Molecular Formula: C₄₂H₆₉NO₉Si₂
• Molecular Weight: 788.182

Synonyms:(5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

Chemical Property of (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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Useful:

Technology Process of (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

There total 10 articles about (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one 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: 85.0%

(5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-(4-methoxybenzyloxy)-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one (902782-23-4) → (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one (902782-24-5)

Guidance literature:

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; at 0 ℃; for 30h;

DOI:10.1002/anie.200600458

Reference yield:

ethyl (2R,3S,4E,6R,7R,9R,12Z)-9-(tert-butyldimethylsiloxy)-6-(2-(tert-butyldiphenylsiloxy)ethyl)-13-cyclohexyl-2-ethyl-7-(4-methoxybenzyloxy)-3,6-bis(triethylsiloxy)trideca-4,12-dien-10-ynethioate (902782-15-4) → (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one (902782-24-5)

Guidance literature:

Multi-step reaction with 11 steps

1: diisobutylaluminium hydride / toluene; hexane / 0.5 h / -78 °C

2: 2.40 g / Bu₄NOH / tetrahydrofuran; methanol / 6 h / -18 °C

3: 86 percent / pyridinium p-toluenesulfonate / methanol; tetrahydrofuran / 20 °C

4: 94 percent / Ti(O-iPr)4 / benzene / 0.33 h / 80 °C

5: 88 percent / Bu₄NF / tetrahydrofuran / 0.83 h / 0 - 20 °C

6: 83 percent / Zn; dibromoethane; LiBr / CuBr / ethanol; tetrahydrofuran / 2 h / 80 °C

7: 85 percent / pyridine / CH₂Cl₂ / 0.5 h / 0 °C

8: 2,6-lutidine / CH₂Cl₂ / 0.33 h / 0 °C

9: 558 mg / pyridinium p-toluenesulfonate / methanol; tetrahydrofuran / 4 h / 0 °C

10: 73 percent / PPh₃; diisopropyl azodicarboxylate / toluene / -78 - 0 °C

11: 85 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 30 h / 0 °C

With pyridine; 2,6-dimethylpyridine; titanium(IV) isopropylate; 1,1-Dibromoethane; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; tetra(n-butyl)ammonium hydroxide; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; lithium bromide; zinc; copper(I) bromide; In tetrahydrofuran; methanol; ethanol; hexane; dichloromethane; water; toluene; benzene;

DOI:10.1002/anie.200600458

Reference yield:

(2R,3S,4E,6R,7R,9R,12Z)-9-(tert-butyldimethylsiloxy)-6-[2-(tert-butyldiphenylsiloxy)ethyl]-13-cyclohexyl-2-ethyl-7-(4-methoxybenzyloxy)-3,6-bis(triethylsiloxy)trideca-4,12-dien-10-ynal (902782-38-1) → (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-hydroxy-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one (902782-24-5)

Guidance literature:

Multi-step reaction with 10 steps

1: 2.40 g / Bu₄NOH / tetrahydrofuran; methanol / 6 h / -18 °C

2: 86 percent / pyridinium p-toluenesulfonate / methanol; tetrahydrofuran / 20 °C

3: 94 percent / Ti(O-iPr)4 / benzene / 0.33 h / 80 °C

4: 88 percent / Bu₄NF / tetrahydrofuran / 0.83 h / 0 - 20 °C

5: 83 percent / Zn; dibromoethane; LiBr / CuBr / ethanol; tetrahydrofuran / 2 h / 80 °C

6: 85 percent / pyridine / CH₂Cl₂ / 0.5 h / 0 °C

7: 2,6-lutidine / CH₂Cl₂ / 0.33 h / 0 °C

8: 558 mg / pyridinium p-toluenesulfonate / methanol; tetrahydrofuran / 4 h / 0 °C

9: 73 percent / PPh₃; diisopropyl azodicarboxylate / toluene / -78 - 0 °C

10: 85 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 30 h / 0 °C

With pyridine; 2,6-dimethylpyridine; titanium(IV) isopropylate; 1,1-Dibromoethane; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; tetra(n-butyl)ammonium hydroxide; pyridinium p-toluenesulfonate; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; lithium bromide; zinc; copper(I) bromide; In tetrahydrofuran; methanol; ethanol; dichloromethane; water; toluene; benzene;

DOI:10.1002/anie.200600458

upstream raw materials:

(5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-(4-methoxybenzyloxy)-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

ethyl (2R,3S,4E,6R,7R,9R,12Z)-9-(tert-butyldimethylsiloxy)-6-(2-(tert-butyldiphenylsiloxy)ethyl)-13-cyclohexyl-2-ethyl-7-(4-methoxybenzyloxy)-3,6-bis(triethylsiloxy)trideca-4,12-dien-10-ynethioate

(2R,3S,4E,6R,7R,9R,12Z)-9-(tert-butyldimethylsiloxy)-6-[2-(tert-butyldiphenylsiloxy)ethyl]-13-cyclohexyl-2-ethyl-7-(4-methoxybenzyloxy)-3,6-bis(triethylsiloxy)trideca-4,12-dien-10-ynal

ethyl (2Z,4S,5S,6E,8R,9R,11R,14Z)-11-(tert-butyldimethylsiloxy)-8-[2-(tert-butyldiphenylsiloxy)ethyl]-15-cyclohexyl-4-ethyl-9-(4-methoxybenzyloxy)-5,8-bis(triethylsiloxy)pentadeca-2,6,14-trien-12-ynoate

Downstream raw materials:

(5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-(diallyloxyphosphinyl)-6-(triethylsilyloxy)-3-(trimethylsilyloxy)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

(5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-3-(2-(bis(allyloxycarbonyl)amino)ethyl)-10-cyclohexyl-4-(diallyloxyphosphinyl)-3,6-dihydroxydeca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one

(+)-phoslactomycin B

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