methyl 2,4-dimethyl-5-oxo-5H-chromeno[3,4-c]pyridine-1-carboxylate

Base Information

Chemical Name:methyl 2,4-dimethyl-5-oxo-5H-chromeno[3,4-c]pyridine-1-carboxylate
CAS No.:97744-29-1
Molecular Formula:C₁₆H₁₃NO₄
Molecular Weight:283.284
Hs Code.:

Synonyms:3-methoxycarbonyl-2,6-dimethyl-4-phenylpyridine-2',5-carbolactone;2,4-Dimethyl-5-oxo-5H-chromeno[3,4-c]pyridine-1-carboxylic acid methyl ester;

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

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Chemical Property of methyl 2,4-dimethyl-5-oxo-5H-chromeno[3,4-c]pyridine-1-carboxylate

Chemical Property:

Melting Point:151-153 °C(Solv: methanol (67-56-1))
Boiling Point:468.4±45.0 °C(Predicted)
PKA:2.63±0.20(Predicted)
PSA：69.40000
Density:1.303±0.06 g/cm3(Predicted)
LogP:2.74460

Purity/Quality:

Safty Information:

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Hazard Codes:

MSDS Files:: SDS file from LookChem

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Technology Process of methyl 2,4-dimethyl-5-oxo-5H-chromeno[3,4-c]pyridine-1-carboxylate

There total 13 articles about methyl 2,4-dimethyl-5-oxo-5H-chromeno[3,4-c]pyridine-1-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: 87.0%

: 112010-45-4
Methyl 2,4-dimethyl-5-oxo-3,10b-dihydro-5H-<1>benzopyrano<3,4-c>pyridine-1-carboxylate

: 97744-29-1
Methyl 2,4-dimethyl-5-oxo-5H-<1>benzopyrano<3,4-c>pyridine-1-carboxylate

Guidance literature:: With chromium(VI) oxide; In water; acetic acid; for 1h; Ambient temperature;
DOI:10.1055/s-1987-27984

Reference yield: 22.0%

: 14205-39-1
methyl (E)-3-aminocrotonate

: 90-02-8
salicylaldehyde

: 97744-29-1
Methyl 2,4-dimethyl-5-oxo-5H-<1>benzopyrano<3,4-c>pyridine-1-carboxylate

Guidance literature:: In acetic acid; 50 deg C, 3 min; room temp., 7 days;
DOI:10.1055/s-1986-31498

Reference yield:

: 73257-43-9
dimethyl 2,6-dimethyl-4-(2-methoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylate

: 97744-29-1
Methyl 2,4-dimethyl-5-oxo-5H-<1>benzopyrano<3,4-c>pyridine-1-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / CrO₃ / H₂O; acetic acid / 1 h / Ambient temperature

2: 53 percent / 48percent aq. HBr / 1 h / Heating

3: HCl / 1 h / Heating

With chromium(VI) oxide; hydrogenchloride; hydrogen bromide; In water; acetic acid;
DOI:10.1055/s-1987-27984