(1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol

Base Information

• Chemical Name: (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol
• CAS No.: 1391973-95-7
• Molecular Formula: C₄₁H₆₆O₈Si₂
• Molecular Weight: 743.141
• Mol file: 1391973-95-7.mol

Synonyms:(1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol

Chemical Property of (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol

There total 5 articles about (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-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: 75.0%

1-[(4S,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-one (1391973-94-6) → (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol (1391973-95-7) + (1S)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol (1391973-96-8)

Guidance literature:

With borane-dimethyl sulfide complex; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole; In tetrahydrofuran; at 30 ℃; for 1.5h; optical yield given as %de; Inert atmosphere;

DOI:10.1002/anie.201201826

Reference yield:

(4S,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-N-methoxy-N,2,2-trimethyl-1,3-dioxolane-4-carboxamide (1391973-93-5) → (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol (1391973-95-7)

Guidance literature:

Multi-step reaction with 2 steps

1: tetrahydrofuran / 0.67 h / 10 - 20 °C / Inert atmosphere

2: borane-dimethyl sulfide complex; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / 30 °C / Inert atmosphere

With borane-dimethyl sulfide complex; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole; In tetrahydrofuran;

DOI:10.1002/anie.201201826

Reference yield:

methyl (4S,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolane-4-carboxylate (1391973-92-4) → (1R)-1-[(4R,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol (1391973-95-7)

Guidance literature:

Multi-step reaction with 5 steps

1: lithium hydroxide monohydrate; water / tetrahydrofuran / 0.58 h / 20 °C / Inert atmosphere

2: dichloromethane / 1 h / 20 °C / Inert atmosphere

3: dichloromethane / 4 h / 20 °C / Inert atmosphere

4: tetrahydrofuran / 0.67 h / 10 - 20 °C / Inert atmosphere

5: borane-dimethyl sulfide complex; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 1.5 h / 30 °C / Inert atmosphere

With borane-dimethyl sulfide complex; lithium hydroxide monohydrate; water; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole; In tetrahydrofuran; dichloromethane;

DOI:10.1002/anie.201201826

upstream raw materials:

methyl (4S,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolane-4-carboxylate

(4S,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-N-methoxy-N,2,2-trimethyl-1,3-dioxolane-4-carboxamide

1-[(4S,5R)-5-{[(2R,3S,4S,5R,6R)-4,5-bis(benzyloxy)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-one

Downstream raw materials:

(1R)-1-[(4S,5R)-5-{[(2R,3S,4R,5R,6R)-4,5-bis(benzyloxy)-3-hydroxy-6-(hydroxymethyl)oxan-2-yl]methyl}-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-yl benzoate

methyl (2S,3S,4R,5S,6R)-6-{[(4R,5S)-5-[(1R)-1-(benzoyloxy)prop-2-en-1-yl]-2,2-dimethyl-1,3-dioxolan-4-yl]methyl}-3,4-bis(benzyloxy)-5-hydroxyoxane-2-carboxylate

methyl (2S,3S,4S,6R)-6-{[(4R,5S)-5-[(1R)-1-(benzoyloxy)prop-2-en-1-yl]-2,2-dimethyl-1,3-dioxolan-4-yl]methyl}-3,4-bis(benzyloxy)-5-oxooxane-2-carboxylate

methyl (2R,3aR,5S,6S,7S,7aS)-2-[(1S,2R)-2-(benzoyloxy)-1-hydroxybut-3-en-1-yl]-6,7-bis(benzyloxy)-7a-hydroxy-hexahydro-2H-furo[3,2-b]pyran-5-carboxylate