3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

Base Information

Chemical Name:3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal
CAS No.:125612-14-8
Molecular Formula:C₄₀H₄₈O₈
Molecular Weight:656.816
Hs Code.:

Synonyms:3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

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Chemical Property of 3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

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Technology Process of 3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

There total 7 articles about 3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal 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:

: 5344-23-0
diethoxyacetaldehyde

: 125612-14-8
3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

Guidance literature:: Multi-step reaction with 4 steps

2: NaH / dimethylformamide / 2 h / Ambient temperature

3: 80 percent / Raney nickel W₂ / tetrahydrofuran / Ambient temperature

4: 1) 2M Me₂S-BH₃, 2) 30percent H₂O₂, 10percent aq. NaOH / 1) THF, a) -10 deg C, 1h, b) 0 deg C, 5h, c) r.t., 12h, 2) r.t., 1h

With sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide; sodium hydride; Raney nickel W₂; In tetrahydrofuran; N,N-dimethyl-formamide;

Reference yield:

: 80040-79-5
3,4,6-tri-O-benzyl-D-galactal

: 125612-14-8
3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

Guidance literature:: Multi-step reaction with 6 steps

1: 2) DBU / 1) CCl₄, reflux, 5h, 2) a) r.t, 1h, b) 50 deg C, 14h

2: MCPBA / CH₂Cl₂ / 2 h / -20 °C

4: NaH / dimethylformamide / 2 h / Ambient temperature

5: 80 percent / Raney nickel W₂ / tetrahydrofuran / Ambient temperature

6: 1) 2M Me₂S-BH₃, 2) 30percent H₂O₂, 10percent aq. NaOH / 1) THF, a) -10 deg C, 1h, b) 0 deg C, 5h, c) r.t., 12h, 2) r.t., 1h

With sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide; sodium hydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 3-chloro-benzenecarboperoxoic acid; Raney nickel W₂; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 125710-62-5
1,5-anhydro-3,4,6-tri-O-benzyl-2-deoxy-2-phenylthio-D-lyxo-hex-1-enitol

: 125612-14-8
3,7-anhydro-2,5,6,8-tetra-O-benzyl-β-D-threo-L-galacto-octose diethylacetal

Guidance literature:: Multi-step reaction with 5 steps

1: MCPBA / CH₂Cl₂ / 2 h / -20 °C

3: NaH / dimethylformamide / 2 h / Ambient temperature

4: 80 percent / Raney nickel W₂ / tetrahydrofuran / Ambient temperature

5: 1) 2M Me₂S-BH₃, 2) 30percent H₂O₂, 10percent aq. NaOH / 1) THF, a) -10 deg C, 1h, b) 0 deg C, 5h, c) r.t., 12h, 2) r.t., 1h

With sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide; sodium hydride; 3-chloro-benzenecarboperoxoic acid; Raney nickel W₂; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;