1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

Base Information

Chemical Name:1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea
CAS No.:646512-01-8
Molecular Formula:C₂₆H₂₂N₈O₃
Molecular Weight:494.512
Hs Code.:

1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8<i>H</i>-pyrazolo[4,3-<i>e</i>][1,2,4]triazolo[1,5-<i>c</i>]pyrimidin-5-yl]-3-phenyl-urea

Synonyms:1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

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Chemical Property of 1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

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Technology Process of 1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

There total 7 articles about 1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea 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: 55.0%

: 103-71-9
phenyl isocyanate

: 646512-00-7
8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine

: 646512-01-8
1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

Guidance literature:: With TEA; In acetonitrile; at 80 ℃; for 24h;
DOI:10.1016/S0968-0896(03)00484-X

Reference yield:

: 100-39-0
benzyl bromide

: 646512-01-8
1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

Guidance literature:: Multi-step reaction with 5 steps

1.1: NaH / dimethylformamide / 0 - 20 °C

1.2: 49.5 percent / dimethylformamide / 1 h / 20 °C

2.1: 79.8 percent / 16 h / Heating

3.1: 2-methoxy-ethanol / 12 h / Heating

3.2: 84 percent / diphenyl ether / 1.5 h / 260 °C

4.1: aq. HCl / dioxane / 1 h / Heating

4.2: 35 percent / cyanamide; p-toluenesulphonic acid / 1-methyl-pyrrolidin-2-one / 160 °C

5.1: 55 percent / TEA / acetonitrile / 24 h / 80 °C

With hydrogenchloride; TEA; sodium hydride; In 1,4-dioxane; 2-methoxy-ethanol; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0968-0896(03)00484-X

Reference yield:

: 646511-97-9
3-amino-1-(2-benzyloxy-ethyl)-1H-pyrazole-4-carbonitrile

: 646512-01-8
1-[8-(2-benzyloxy-ethyl)-2-furan-2-yl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl]-3-phenyl-urea

Guidance literature:: Multi-step reaction with 4 steps

1.1: 79.8 percent / 16 h / Heating

2.1: 2-methoxy-ethanol / 12 h / Heating

2.2: 84 percent / diphenyl ether / 1.5 h / 260 °C

3.1: aq. HCl / dioxane / 1 h / Heating

3.2: 35 percent / cyanamide; p-toluenesulphonic acid / 1-methyl-pyrrolidin-2-one / 160 °C

4.1: 55 percent / TEA / acetonitrile / 24 h / 80 °C

With hydrogenchloride; TEA; In 1,4-dioxane; 2-methoxy-ethanol; acetonitrile;
DOI:10.1016/S0968-0896(03)00484-X