2-Chloro-8-Methoxyquinazolin-4(3H)-one

Base Information

• Chemical Name: 2-Chloro-8-Methoxyquinazolin-4(3H)-one
• CAS No.: 20197-99-3
• Molecular Formula: C9H7ClN2O2
• Molecular Weight: 210.61700
• Hs Code.: 2933990090
• Mol file: 20197-99-3.mol

Synonyms:2-Chlor-8-methoxy-4-oxo-3,4-dihydro-chinazolin;2-chloro-8-methoxy-3H-quinazolin-4-one;

Chemical Property of 2-Chloro-8-Methoxyquinazolin-4(3H)-one

Chemical Property:

• Boiling Point: 361.3±44.0 °C(Predicted)
• PKA: -3.88±0.20(Predicted)
• PSA: 55.24000
• Density: 1.48±0.1 g/cm3(Predicted)
• LogP: 1.99740

Purity/Quality:

97% ^*data from raw suppliers

2-Chloro-8-methoxyquinazolin-4(3H)-one 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-Chloro-8-Methoxyquinazolin-4(3H)-one

There total 4 articles about 2-Chloro-8-Methoxyquinazolin-4(3H)-one 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:

2,4-dichloro-8-methoxy-quinazoline (61948-60-5) → 2-chloro-8-methoxyquinazolin-4(3H)-one (20197-99-3)

Guidance literature:

With sodium hydroxide; In tetrahydrofuran; at 20 ℃; for 4h;

DOI:10.1021/jm070104l

Reference yield:

2-amino-3-methoxybenzoic acid (3177-80-8) → 2-chloro-8-methoxyquinazolin-4(3H)-one (20197-99-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.5 h / 200 °C

2: POCl₃; N,N-dimethylaniline / 16 h / Heating

3: 388 mg / aq. NaOH / tetrahydrofuran / 4 h / 20 °C

With sodium hydroxide; N,N-dimethyl-aniline; trichlorophosphate; In tetrahydrofuran;

DOI:10.1021/jm070104l

Reference yield:

8-methoxy-1,2,3,4-tetrahydroquinazoline-2,4-dione (62484-14-4) → 2-chloro-8-methoxyquinazolin-4(3H)-one (20197-99-3)

Guidance literature:

Multi-step reaction with 2 steps

1: POCl₃; N,N-dimethylaniline / 16 h / Heating

2: 388 mg / aq. NaOH / tetrahydrofuran / 4 h / 20 °C

With sodium hydroxide; N,N-dimethyl-aniline; trichlorophosphate; In tetrahydrofuran;

DOI:10.1021/jm070104l

upstream raw materials:

2,4-dichloro-8-methoxy-quinazoline

2-amino-3-methoxybenzoic acid

8-methoxy-1,2,3,4-tetrahydroquinazoline-2,4-dione

Downstream raw materials:

2-((2-chloro-8-methoxy-4-oxoquinazolin-3(4H)-yl)methyl)benzonitrile

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