4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

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Chemical Name:4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole
CAS No.:211674-08-7
Molecular Formula:C₃₁H₃₂N₂O₃
Molecular Weight:480.607
Hs Code.:

Synonyms:4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

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Chemical Property of 4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

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Technology Process of 4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

There total 6 articles about 4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole 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: 77.0%

: 60-34-4
methylhydrazine

: 211674-04-3
2-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1-phenyl-butane-1,3-dione

: 211674-08-7
4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

Guidance literature:: In ethanol; for 0.0833333h; Ambient temperature;
DOI:10.1016/S0008-6215(98)00059-7

Reference yield:

: 113019-34-4
phenyl 4, 6-di-O-acetyl-2,3-dideoxy-1-O-α-D-erythro-hex-2-enopyranoside

: 211674-08-7
4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

Guidance literature:: Multi-step reaction with 4 steps

1: NaOMe / methanol

2: KOH

3: 87 percent / bis(dibenzylideneacetone)Pd⁽⁰⁾, 1,2-bis(diphenylphosphino)ethane / tetrahydrofuran / 70 °C

4: 77 percent / ethanol / 0.08 h / Ambient temperature

With potassium hydroxide; palladium bis(dibenzylideneacetone)palladium⁽⁰⁾; sodium methylate; 1,2-bis-(diphenylphosphino)ethane; In tetrahydrofuran; methanol; ethanol;
DOI:10.1016/S0008-6215(98)00059-7

Reference yield:

: 113019-36-6
phenyl 4,6-di-O-benzyl-2,3-dideoxy-α,β-D-erythro-hex-2-enopyranoside

: 211674-08-7
4-((2R,5S,6R)-5-Benzyloxy-6-benzyloxymethyl-5,6-dihydro-2H-pyran-2-yl)-1,3-dimethyl-5-phenyl-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: 87 percent / bis(dibenzylideneacetone)Pd⁽⁰⁾, 1,2-bis(diphenylphosphino)ethane / tetrahydrofuran / 70 °C

2: 77 percent / ethanol / 0.08 h / Ambient temperature

With palladium bis(dibenzylideneacetone)palladium⁽⁰⁾; 1,2-bis-(diphenylphosphino)ethane; In tetrahydrofuran; ethanol;
DOI:10.1016/S0008-6215(98)00059-7