6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

Base Information

Chemical Name:6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride
CAS No.:118621-04-8
Molecular Formula:C₂₁H₂₄N₄O₂*ClH
Molecular Weight:400.908
Hs Code.:

Synonyms:6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

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Chemical Property of 6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

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Technology Process of 6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

There total 3 articles about 6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride 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: 78.0%

: 2759-28-6
1-phenylmethylpiperazine

: 118621-07-1
3-Methyl-2-oxo-1,2,3,4-tetrahydro-quinazoline-6-carboxylic acid

: 118621-04-8
6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

Guidance literature:: With diethyl cyanophosphonate; triethylamine; In N,N-dimethyl-formamide; 1.) 0-5 deg C, 30 min; 2.) rt, 1.5 h;
DOI:10.1248/cpb.36.2253

Reference yield:

: 24365-65-9
3-methyl-3,4-dihydro-2(1H)-quinazolinone

: 118621-04-8
6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / AlCl₃ / 1,2-dichloro-ethane / 1.) 2 h; 2.) 30-40 deg C, 3 h

2: 1.) pyridine, 2.) sodium hydroxide / 1.) 80-90 deg C, 3 h; water, 70-80 deg C, 4 h

3: 78 percent / diethyl phosphorocyanidate, triethylamine / dimethylformamide / 1.) 0-5 deg C, 30 min; 2.) rt, 1.5 h

With pyridine; sodium hydroxide; aluminium trichloride; diethyl cyanophosphonate; triethylamine; In 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1248/cpb.36.2253

Reference yield:

: 118621-05-9
6-(2-chloroacetyl)-3-methyl-3,4-dihydroquinazolin-2(1H)-one

: 118621-04-8
6-(4-Benzyl-piperazine-1-carbonyl)-3-methyl-3,4-dihydro-1H-quinazolin-2-one; hydrochloride

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) pyridine, 2.) sodium hydroxide / 1.) 80-90 deg C, 3 h; water, 70-80 deg C, 4 h

2: 78 percent / diethyl phosphorocyanidate, triethylamine / dimethylformamide / 1.) 0-5 deg C, 30 min; 2.) rt, 1.5 h

With pyridine; sodium hydroxide; diethyl cyanophosphonate; triethylamine; In N,N-dimethyl-formamide;
DOI:10.1248/cpb.36.2253