1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

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Chemical Name:1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole
CAS No.:221347-42-8
Molecular Formula:C₃₃H₄₈N₂O₉
Molecular Weight:616.752
Hs Code.:

Synonyms:1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

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Chemical Property of 1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

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Technology Process of 1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

There total 4 articles about 1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-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: 80.0%

: 112-35-6,95507-80-5
triethylene glucol monomethyl ether

: 221347-41-7
1-benzyl-4-benzyloxy-3,5-bis(bromomethyl)-1H-pyrazole

: 221347-42-8
1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

Guidance literature:: With sodium hydride; In tetrahydrofuran; 1.) 60 deg C, 2 h, 2.) 60 deg C -> room temperature, overnight;
DOI:10.1016/S0040-4020(99)00047-2

Reference yield:

: 100-44-7
benzyl chloride

: 221347-42-8
1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 4 steps

1: 60 percent / aq. NaOH, Bu₄NBr / CH₂Cl₂ / 10 h / 35 °C

2: 70 percent / LiAlH₄ / tetrahydrofuran / 1 h / Heating

3: 80 percent / PBr₃ / tetrahydrofuran / 10 h / Ambient temperature

4: 80 percent / NaH / tetrahydrofuran / 1.) 60 deg C, 2 h, 2.) 60 deg C -> room temperature, overnight

With sodium hydroxide; lithium aluminium tetrahydride; tetrabutylammomium bromide; phosphorus tribromide; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1016/S0040-4020(99)00047-2

Reference yield:

: 221347-40-6
1-benzyl-4-benzyloxy-3,5-bis(hydroxymethyl)-1H-pyrazole

: 221347-42-8
1-benzyl-4-benzyloxy-3,5-bis(2,5,8,11-tetraoxadodecan-1-yl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: 80 percent / PBr₃ / tetrahydrofuran / 10 h / Ambient temperature

2: 80 percent / NaH / tetrahydrofuran / 1.) 60 deg C, 2 h, 2.) 60 deg C -> room temperature, overnight

With phosphorus tribromide; sodium hydride; In tetrahydrofuran;
DOI:10.1016/S0040-4020(99)00047-2