3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

Base Information

Chemical Name:3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate
CAS No.:1319735-64-2
Molecular Formula:C₂₂H₁₇N₃O₆S
Molecular Weight:451.459
Hs Code.:

Synonyms:3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

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Chemical Property of 3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

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Technology Process of 3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

There total 4 articles about 3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate 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: 93.0%

: 98-74-8
4-Nitrobenzenesulfonyl chloride

: 5060-53-7
8-hydroxy-2-methyl-3-(2-methylphenyl)-4(3H)-quinazolinone

: 1319735-64-2
3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

Guidance literature:: With pyridine; at 20 ℃;
DOI:10.1007/s00706-011-0525-3

Reference yield:

: 8-acetyloxy-2-methyl-4H-3,1-benzoxazin-4-one

: 1319735-64-2
3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

Guidance literature:: Multi-step reaction with 3 steps

1: pyridine / 8 h / Reflux

2: potassium carbonate / methanol / 6 h / 20 °C

3: pyridine / 20 °C

With pyridine; potassium carbonate; In pyridine; methanol;
DOI:10.1007/s00706-011-0525-3

Reference yield:

: 548-93-6
3-hydroxyanthranilic acid

: 1319735-64-2
3,4-dihydro-2-methyl-3-(2-methylphenyl)-4-oxoquinazolin-8-yl 4-nitrobenzenesulfonate

Guidance literature:: Multi-step reaction with 4 steps

1: 3 h / Reflux

2: pyridine / 8 h / Reflux

3: potassium carbonate / methanol / 6 h / 20 °C

4: pyridine / 20 °C

With pyridine; potassium carbonate; In pyridine; methanol;
DOI:10.1007/s00706-011-0525-3