(E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

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Chemical Name:(E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid
CAS No.:1393571-49-7
Molecular Formula:C₂₀H₁₅N₃O₄
Molecular Weight:361.357
Hs Code.:

Synonyms:(E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

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Chemical Property of (E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

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Technology Process of (E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

There total 5 articles about (E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid 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: 72.0%

: 141-82-2
malonic acid

: 1393571-48-6
3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-carboxyaldehyde

: 1393571-49-7
(E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

Guidance literature:: With piperidine; pyridine; at 115 ℃; for 0.25h; Microwave irradiation;
DOI:10.3906/kim-1110-8

Reference yield:

: 21892-80-8
3-methylbenzo[d]oxazol-2(3H)-one

: 1393571-49-7
(E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: PPA / 0.37 h / 90 °C / Microwave irradiation

2: acetic acid / ethanol / 2 h / Reflux

3: trichlorophosphate / 50 °C / Cooling with ice; Microwave irradiation

4: piperidine; pyridine / 0.25 h / 115 °C / Microwave irradiation

With piperidine; pyridine; acetic acid; trichlorophosphate; In ethanol; 1: Friedel Crafts acylation / 4: Knoevenagel condensation;
DOI:10.3906/kim-1110-8

Reference yield:

: 59-49-4
2-Benzoxazolinone

: 1393571-49-7
(E)-3-(3-(2,3-dihydro-3-methyl-2-oxo-3H-benzoxazole-6-yl)-1-phenyl-1H-pyrazole-4-yl)acrylic acid

Guidance literature:: Multi-step reaction with 5 steps

1: sodium hydroxide / 0.5 h

2: PPA / 0.37 h / 90 °C / Microwave irradiation

3: acetic acid / ethanol / 2 h / Reflux

4: trichlorophosphate / 50 °C / Cooling with ice; Microwave irradiation

5: piperidine; pyridine / 0.25 h / 115 °C / Microwave irradiation

With piperidine; pyridine; acetic acid; sodium hydroxide; trichlorophosphate; In ethanol; 2: Friedel Crafts acylation / 5: Knoevenagel condensation;
DOI:10.3906/kim-1110-8