(1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

Base Information

Chemical Name:(1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one
CAS No.:556054-15-0
Molecular Formula:C₄₁H₄₂O₉
Molecular Weight:678.779
Hs Code.:

Synonyms:(1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

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Chemical Property of (1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

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Technology Process of (1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

There total 1 articles about (1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-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: 30.0%

: 37112-31-5
levoglucosenone

: 113019-43-5,140397-45-1,140397-46-2,140397-47-3,140397-49-5,91738-17-9
2,3,4,6-tetra-O-benzyl-1-formyl-D-glucopyranose

: 556054-15-0
(1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

Guidance literature:: With diethylaluminum iodide; In dichloromethane; toluene; at -78 ℃; for 16h;
DOI:10.1002/hlca.200390037

Reference yield:

: 556054-15-0
(1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

: 556054-17-2
1,6-anhydro-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-3,4-dideoxy-β-D-arabino-hexopyranose

Guidance literature:: Multi-step reaction with 3 steps

1: Et₃N / CH₂Cl₂ / 0.75 h / 0 °C

2: 630 mg / (i-Bu)2AlH / tetrahydrofuran; CH₂Cl₂ / 3 h / -78 °C

3: 72 percent / Raney-Ni / tetrahydrofuran / 0.5 h / 20 °C

With diisobutylaluminium hydride; triethylamine; nickel; In tetrahydrofuran; dichloromethane;
DOI:10.1002/hlca.200390037

Reference yield:

: 556054-15-0
(1S,5R)-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

: 1,6-anhydro-3-C-[(1R)-2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptitol-1-C-yl]-3,4-dideoxy-1',2-O-isopropylidene-β-D-arabino-hexopyranose

Guidance literature:: Multi-step reaction with 4 steps

1: Et₃N / CH₂Cl₂ / 0.75 h / 0 °C

2: 630 mg / (i-Bu)2AlH / tetrahydrofuran; CH₂Cl₂ / 3 h / -78 °C

3: 72 percent / Raney-Ni / tetrahydrofuran / 0.5 h / 20 °C

4: 25 percent / TsOH / acetone / 3.5 h / 20 °C

With diisobutylaluminium hydride; toluene-4-sulfonic acid; triethylamine; nickel; In tetrahydrofuran; dichloromethane; acetone;
DOI:10.1002/hlca.200390037