ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

Base Information

Chemical Name:ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate
CAS No.:1560898-08-9
Molecular Formula:C₁₇H₂₀N₄O₃
Molecular Weight:328.371
Hs Code.:

Synonyms:ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

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Chemical Property of ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

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Technology Process of ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

There total 5 articles about ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate 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: 16.8%

: 1560898-04-5
ethyl (E)-2,4-dioxo-3-(phenyldiazenyl)-4-(tetrahydro-2H-pyran-4-yl)butanoate

: 1560898-08-9
ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

Guidance literature:: With hydrazine hydrate; acetic acid; at 20 ℃; for 18h;

Reference yield:

: 137052-08-5
1-(tetrahydro-2H-pyran-4-yl)ethan-1-one

: 1560898-08-9
ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: sodium ethanolate / ethanol / 3 h / 0 - 20 °C

2: sodium acetate / ethanol; water / 18 h / 0 °C

3: acetic acid; hydrazine hydrate / 18 h / 20 °C

With sodium ethanolate; sodium acetate; hydrazine hydrate; acetic acid; In ethanol; water;

Reference yield:

: 345216-96-8
methyl 4-acetyl-tetrahydro-2H-pyran-4-carboxylate

: 1560898-08-9
ethyl 4-((E)-phenyldiazenyl)-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-5-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: sulfuric acid / water; isopropyl alcohol / 48 h / Reflux

2: sodium ethanolate / ethanol / 3 h / 0 - 20 °C

3: sodium acetate / ethanol; water / 18 h / 0 °C

4: acetic acid; hydrazine hydrate / 18 h / 20 °C

With sulfuric acid; sodium ethanolate; sodium acetate; hydrazine hydrate; acetic acid; In ethanol; water; isopropyl alcohol;