7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

Base Information

Chemical Name:7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester
CAS No.:127720-32-5
Molecular Formula:C₁₉H₁₆BrN₃O₃
Molecular Weight:414.258
Hs Code.:

Synonyms:7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

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Chemical Property of 7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

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Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of 7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

There total 8 articles about 7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-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: 86.0%

: 74-96-4
ethyl bromide

: 127720-25-6
7-(4-Bromo-phenyl)-8-cyano-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

: 127720-32-5
7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

Guidance literature:: With sodium methylate; In N,N-dimethyl-formamide; for 16h; Ambient temperature;

Reference yield:

: 76477-12-8
N-(2-(4-bromophenyl)-2-oxoethyl)acetamide

: 127720-32-5
7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) 50percent aq. KOH / 1.) CH₃OH; 2.) 15 min, ice bath; 1.5-2 h, 60-65 deg C

2: ethanol / 24 h / Ambient temperature

3: ethanol / 48 h / Heating

4: 1.) NaOCH₃ / 1.) DMF; 2.) 16 h, room temp.

With potassium hydroxide; sodium methylate; In ethanol;

Reference yield:

: 5467-72-1
α-amino-4-bromoacetophenone hydrochloride

: 127720-32-5
7-(4-Bromo-phenyl)-8-cyano-1-ethyl-4-oxo-1,4-dihydro-pyrrolo[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 77 percent / CH₃COONa / H₂O / 10 - 20 °C

2: 1.) 50percent aq. KOH / 1.) CH₃OH; 2.) 15 min, ice bath; 1.5-2 h, 60-65 deg C

3: ethanol / 24 h / Ambient temperature

4: ethanol / 48 h / Heating

5: 1.) NaOCH₃ / 1.) DMF; 2.) 16 h, room temp.

With potassium hydroxide; sodium methylate; sodium acetate; In ethanol; water;