(2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol

Base Information

• Chemical Name: (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol
• CAS No.: 1415891-70-1
• Molecular Formula: C₄₈H₇₀O₁₁Si
• Molecular Weight: 851.163

Synonyms:

Chemical Property of (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol

There total 12 articles about (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol 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:

(2R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,5aR,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)hexahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3(2H)-one (1415891-41-6) → (2R,3S,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol (1415891-69-8) + (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol (1415891-70-1)

Guidance literature:

With sodium tetrahydroborate; In tetrahydrofuran; methanol; at 20 ℃; for 1.33333h; Overall yield = 98 %; Overall yield = 19.6 mg;

DOI:10.1021/jo302267f

Reference yield:

3-((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-(t-butyldimethylsiloxy)octahydropyrano[3,2-b]pyran-2-yl)prop-1-en-1-yl phenyl sulfone → (2R,3S,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol (1415891-69-8) + (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol (1415891-70-1)

Guidance literature:

Multi-step reaction with 6 steps

1: potassium tert-butylate; tert.-butylhydroperoxide / tetrahydrofuran / -78 - -25 °C / Inert atmosphere

2: n-butyllithium; N,N,N,N,N,N-hexamethylphosphoric triamide / tetrahydrofuran; hexane / -100 °C / Inert atmosphere

3: toluene-4-sulfonic acid / dichloromethane; methanol / 1 h / 20 °C / Inert atmosphere

4: magnesium bromide diethyl etherate; lithium bromide / dichloromethane / 2.5 h / -15 - -5 °C

5: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 0.5 h / 20 °C

6: sodium tetrahydroborate / tetrahydrofuran; methanol / 1.33 h / 20 °C

With tert.-butylhydroperoxide; N,N,N,N,N,N-hexamethylphosphoric triamide; sodium tetrahydroborate; n-butyllithium; potassium tert-butylate; magnesium bromide diethyl etherate; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium bromide; In tetrahydrofuran; methanol; hexane; dichloromethane;

DOI:10.1021/jo302267f

Reference yield:

3-((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-(t-butyldimethylsiloxy)octahydropyrano[3,2-b]pyran-2-yl)-1,2-epoxypropan-1-yl phenyl sulfone (1338566-17-8) → (2R,3S,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol (1415891-69-8) + (2R,3R,4aR,5aS,7aR,8aS,12aR,13aS,14aR,15aS)-2-(((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)octahydropyrano[3,2-b]pyran-2-yl)methyl)octadecahydropyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-3-ol (1415891-70-1)

Guidance literature:

Multi-step reaction with 5 steps

1: n-butyllithium; N,N,N,N,N,N-hexamethylphosphoric triamide / tetrahydrofuran; hexane / -100 °C / Inert atmosphere

2: toluene-4-sulfonic acid / dichloromethane; methanol / 1 h / 20 °C / Inert atmosphere

3: magnesium bromide diethyl etherate; lithium bromide / dichloromethane / 2.5 h / -15 - -5 °C

4: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 0.5 h / 20 °C

5: sodium tetrahydroborate / tetrahydrofuran; methanol / 1.33 h / 20 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; sodium tetrahydroborate; n-butyllithium; magnesium bromide diethyl etherate; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium bromide; In tetrahydrofuran; methanol; hexane; dichloromethane;

DOI:10.1021/jo302267f

upstream raw materials:

(2S,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-2-(((2R,3S)-3-((tert-butyldimethylsilyl)oxy)tetrahydro-2H-pyran-2-yl)methyl)hexahydropyrano[3,2-b]pyran-3(2H)-one

(2R,3S,4aR,5aS,6aR,10aS,11aR,13aS)-3-(benzyloxy)-2-((benzyloxy)methyl)-11a-methoxytetradecahydro-2H-pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepine

(2R,3S,4aR,5aS,6aR,10aS,11aR,13aS)-3-(benzyloxy)-2-((benzyloxy)methyl)tetradecahydro-2H-pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepine

3-((2S,3R,4aS,6R,7S,8aR)-7-(benzyloxy)-6-((benzyloxy)methyl)-3-(t-butyldimethylsiloxy)octahydropyrano[3,2-b]pyran-2-yl)-1,2-epoxypropan-1-yl phenyl sulfone

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