(1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane

Base Information

• Chemical Name: (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane
• CAS No.: 104976-63-8
• Molecular Formula: C₅₂H₅₈O₁₁
• Molecular Weight: 859.026
• Mol file: 104976-63-8.mol

Synonyms:

Chemical Property of (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane

There total 4 articles about (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane 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:

1L-(1,3/2,4)-1-O-Acetyl-2,3,4-tri-O-benzyl-5-C-<(2-methoxyethoxy)methoxymethyl>-5-cyclohexen-1,2,3,4-tetrol (104976-60-5) → (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane (104976-63-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / NaOMe (1M) / methanol / 12 h

2: 1.) NaH / 1.) THF, HMPA, 30 min, 0 deg C; 2.) 12 h, room temp.

With sodium methylate; sodium hydride; In methanol;

Reference yield:

1,6-Anhydro-2,3-di-O-benzyl-β-D-galactopyranose (61074-29-1) → (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane (104976-63-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / Py / CH₂Cl₂ / 0.5 h / -20 °C

2: 1.) NaH / 1.) THF, HMPA, 30 min, 0 deg C; 2.) 12 h, room temp.

With pyridine; sodium hydride; In dichloromethane;

Reference yield:

1L-(1,3/2,4)-1-O-Acetyl-2,3,4-tri-O-benzyl-5-C-hydroxymethyl-5-cyclohexen-1,2,3,4-tetrol (104976-59-2) → (1R,2R,3S,4R,5R)-3,4-Bis-benzyloxy-2-[(1R,4R,5S,6S)-4,5,6-tris-benzyloxy-3-(2-methoxy-ethoxymethoxymethyl)-cyclohex-2-enyloxy]-6,8-dioxa-bicyclo[3.2.1]octane (104976-63-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 79 percent / NEt(iPr)2 / CH₂Cl₂ / 24 h

2: 92 percent / NaOMe (1M) / methanol / 12 h

3: 1.) NaH / 1.) THF, HMPA, 30 min, 0 deg C; 2.) 12 h, room temp.

With sodium methylate; sodium hydride; N-ethyl-N,N-diisopropylamine; In methanol; dichloromethane;

upstream raw materials:

1,6-Anhydro-2,3-di-O-benzyl-4-O-<(trifluormethyl)sulfonyl>-β-D-galactopyranose

1L-(1,3/2,4)-2,3,4-Tri-O-benzyl-5-C-<(2-methoxyethoxy)methoxymethyl>-5-cyclohexen-1,2,3,4-tetrol

1L-(1,3/2,4)-1-O-Acetyl-2,3,4-tri-O-benzyl-5-C-<(2-methoxyethoxy)methoxymethyl>-5-cyclohexen-1,2,3,4-tetrol

1,6-Anhydro-2,3-di-O-benzyl-β-D-galactopyranose

Downstream raw materials:

[(1R,2R,3S,4S,5R)-2,3,4-Tris-benzyloxy-5-((1R,2R,3S,4R,5R)-3,4-bis-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-cyclohexyl]-methanol

(1R,2S,3R,4R,6R)-4-((1R,2S,3R,4R,5R)-3,4-Dihydroxy-6,8-dioxa-bicyclo[3.2.1]oct-2-yloxy)-6-hydroxymethyl-cyclohexane-1,2,3-triol

1,6-Anhydro-2,3-di-O-benzyl-4-O-<1L-(1,3/2,4)-2,3,4-tri-O-benzyl-1,2,3,4-tetrahydroxy-5-C-hydroxymethyl-5-cyclohexen-1-yl>-β-D-glucopyranose