3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Base Information

Chemical Name:3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester
CAS No.:137201-94-6
Molecular Formula:C₂₁H₁₈N₄O₃
Molecular Weight:374.399
Hs Code.:

Synonyms:3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Suppliers and Price of 3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

There total 5 articles about 3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester 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: 66.0%

: 137201-88-8
(5-Hydroxy-1-phenyl-1H-pyrazol-3-yl)-(p-tolyl-hydrazono)-acetic acid ethyl ester

: 122-51-0
orthoformic acid triethyl ester

: 137201-94-6
3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Guidance literature:: piperidine; at 170 - 180 ℃; for 1h;
DOI:10.1002/ardp.2503240912

Reference yield:

: 2028-84-4
p-methylbenzenediazonium chloride

: 137201-94-6
3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: NaOAc / ethanol / 1 h / 0 °C

2: 65 percent / acetic acid / 50 °C / 24 - 72 h

3: 66 percent / piperidine / 1 h / 170 - 180 °C

With sodium acetate; piperidine; In ethanol; acetic acid;
DOI:10.1002/ardp.2503240912

Reference yield:

: 105-50-0
diethyl 1,3-acetonedicarboxylate

: 137201-94-6
3-Oxo-2-phenyl-5-p-tolyl-3,5-dihydro-2H-pyrazolo[3,4-d]pyridazine-7-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: NaOAc / ethanol / 1 h / 0 °C

2: 65 percent / acetic acid / 50 °C / 24 - 72 h

3: 66 percent / piperidine / 1 h / 170 - 180 °C

With sodium acetate; piperidine; In ethanol; acetic acid;
DOI:10.1002/ardp.2503240912