Chemical and pharmaceutical bulletin

Studies on 4 (1H)-quinazolinones. III. Some derivatizations of 2-ethoxycarbonylalkyl-1-substituted-4 (1H)-quinazolinones.

尾崎建一， 山田義久， 大稲豊生

Index: Ozaki, Ken-Ichi; Yamada, Yoshihisa; Oine, Toyonari Chemical & Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2234 - 2243

Full Text: HTML

Citation Number: 19

Abstract

... III.” Some Derivatizations of 2-Ethoxycarbonylalkyl-l-substituted-4(1H)-quinazolinones KEN-ICHI OZAKI, YOSHIHISA YAMADA,* and TOYONARI OINE Research Laboratory ... dimethylformamide gave 3-ethoxycarbonyl-4—hydroxy-lH—pyrido[l,2-a]quinazolin-6(2H)— one (27 ...

 Related Synthetic Route
ETHYLENE OXIDE Structure

75-21-8

ETHYLENE OXIDE

Benzenecarboximidic acid, 2-amino- (9CI) Structure

28144-70-9

Benzenecarboxim...

~23%

2-(2-hydroxyethylamino)benzamide Structure

88267-61-2

2-(2-hydroxyeth...

Learn More
1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

~68%

1-methyl-2-(2H-tetrazol-5-yl)quinazolin-4-one Structure

88267-84-9

1-methyl-2-(2H-...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

1-methyl-2-(2H-tetrazol-5-yl)quinazolin-4-one Structure

88267-84-9

1-methyl-2-(2H-...

Learn More
1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

~%

1-methyl-2-(2H-tetrazol-5-yl)quinazolin-4-one Structure

88267-84-9

1-methyl-2-(2H-...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

1-methyl-2-(2H-tetrazol-5-yl)quinazolin-4-one Structure

88267-84-9

1-methyl-2-(2H-...

Learn More
3-ethoxycarbonyl-3-methyl-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one Structure

88267-91-8

3-ethoxycarbony...

~33%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
Benzenecarboximidic acid, 2-amino- (9CI) Structure

28144-70-9

Benzenecarboxim...

~%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
2-(2-hydroxyethylamino)benzamide Structure

88267-61-2

2-(2-hydroxyeth...

~%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
2-(2-chloroethylamino)benzamide Structure

88267-60-1

2-(2-chloroethy...

~%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
1-(2-chloroethyl)-2-(1-ethoxycarbonylethyl)-4(1H)-quinazolinone Structure

88267-72-5

1-(2-chloroethy...

~%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
2-(1-ethoxycarbonylethyl)-1-(2-hydroxyethyl)-4(1H)-quinazolinone Structure

88267-75-8

2-(1-ethoxycarb...

~%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
1-(2-(2-(1-ethoxy-1-oxopropan-2-yl)-4-oxoquinazolin-1(4H)-yl)ethyl) 3-ethyl 2-methylmalonate Structure

88267-74-7

1-(2-(2-(1-etho...

~%

3-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]quinazolin-5-one Structure

88267-93-0

3-methyl-2,3-di...

Learn More
4-ethoxycarbonyl-4-methyl-1,2,3,4-tetrahydro-6H-pyrido[1,2-a]quinazolin-6-one Structure

88267-92-9

4-ethoxycarbony...

~54%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
2-(3-hydroxypropylamino)benzamide Structure

88267-62-3

2-(3-hydroxypro...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
2-((3-chloropropyl)amino)benzamide Structure

76315-39-4

2-((3-chloropro...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
2-(2-methoxycarbonylethylamino)benzamide Structure

88267-58-7

2-(2-methoxycar...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
methyl 3-(2,4-dioxo-3,1-benzoxazin-1-yl)propanoate Structure

88267-64-5

methyl 3-(2,4-d...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
ethyl 2-(1-(3-chloropropyl)-4-oxo-1,4-dihydroquinazolin-2-yl)propanoate Structure

88267-73-6

ethyl 2-(1-(3-c...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
2-(1-ethoxycarbonylethyl)-1-(3-hydroxypropyl)-4(1H)-quinazolinone Structure

88267-77-0

2-(1-ethoxycarb...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
1-(3-(2-(1-ethoxy-1-oxopropan-2-yl)-4-oxoquinazolin-1(4H)-yl)propyl) 3-ethyl 2-methylmalonate Structure

88267-76-9

1-(3-(2-(1-etho...

~%

4-methyl-1,2,3,4-tetrahydropyrido[1,2-a]quinazolin-6-one Structure

88267-94-1

4-methyl-1,2,3,...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

Ethoxalyl chloride Structure

4755-77-5

Ethoxalyl chloride

~91%

ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

Learn More
Ethoxalyl chloride Structure

4755-77-5

Ethoxalyl chloride

ethyl 4-(2-carbamoylanilino)butanoate Structure

88267-59-8

ethyl 4-(2-carb...

~84%

ethyl 1-(4-ethoxy-4-oxobutyl)-4-oxoquinazoline-2-carboxylate Structure

88267-68-9

ethyl 1-(4-etho...

Learn More
ethyl 4-(2,4-dioxo-3,1-benzoxazin-1-yl)butanoate Structure

88267-65-6

ethyl 4-(2,4-di...

~%

ethyl 1-(4-ethoxy-4-oxobutyl)-4-oxoquinazoline-2-carboxylate Structure

88267-68-9

ethyl 1-(4-etho...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~92%

1-methyl-4-oxoquinazoline-2-carboxylic acid Structure

88267-78-1

1-methyl-4-oxoq...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

1-methyl-4-oxoquinazoline-2-carboxylic acid Structure

88267-78-1

1-methyl-4-oxoq...

Learn More
1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

~62%

2-amino-1-methylquinazolin-4-one Structure

5544-05-8

2-amino-1-methy...

Learn More
N-hydroxy-1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-79-2

N-hydroxy-1-met...

~62%

2-amino-1-methylquinazolin-4-one Structure

5544-05-8

2-amino-1-methy...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

2-amino-1-methylquinazolin-4-one Structure

5544-05-8

2-amino-1-methy...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

2-amino-1-methylquinazolin-4-one Structure

5544-05-8

2-amino-1-methy...

Learn More
1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

~%

2-amino-1-methylquinazolin-4-one Structure

5544-05-8

2-amino-1-methy...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~63%

N-hydroxy-1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-79-2

N-hydroxy-1-met...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

N-hydroxy-1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-79-2

N-hydroxy-1-met...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~99%

1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

Learn More
1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

methylamine Structure

74-89-5

methylamine

~61%

1-methyl-2-(methylamino)quinazolin-4-one Structure

5544-06-9

1-methyl-2-(met...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

1-methyl-2-(methylamino)quinazolin-4-one Structure

5544-06-9

1-methyl-2-(met...

Learn More
1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

~%

1-methyl-2-(methylamino)quinazolin-4-one Structure

5544-06-9

1-methyl-2-(met...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

1-methyl-2-(methylamino)quinazolin-4-one Structure

5544-06-9

1-methyl-2-(met...

Learn More
1-methyl-4-oxoquinazoline-2-carboxylic acid Structure

88267-78-1

1-methyl-4-oxoq...

~91%

1-methylquinazolin-4(1H)-one Structure

3476-68-4

1-methylquinazo...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

1-methylquinazolin-4(1H)-one Structure

3476-68-4

1-methylquinazo...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

1-methylquinazolin-4(1H)-one Structure

3476-68-4

1-methylquinazo...

Learn More
1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

~50%

1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

Learn More
1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

3-Mercaptopropionic acid Structure

107-96-0

3-Mercaptopropi...

~46%

3-(1-methyl-4-oxoquinazolin-2-yl)sulfanylpropanoic acid Structure

88267-82-7

3-(1-methyl-4-o...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

3-(1-methyl-4-oxoquinazolin-2-yl)sulfanylpropanoic acid Structure

88267-82-7

3-(1-methyl-4-o...

Learn More
1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

~%

3-(1-methyl-4-oxoquinazolin-2-yl)sulfanylpropanoic acid Structure

88267-82-7

3-(1-methyl-4-o...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

3-(1-methyl-4-oxoquinazolin-2-yl)sulfanylpropanoic acid Structure

88267-82-7

3-(1-methyl-4-o...

Learn More
ethyl 4-(2,4-dioxo-3,1-benzoxazin-1-yl)butanoate Structure

88267-65-6

ethyl 4-(2,4-di...

~54%

ethyl 4-(2-carbamoylanilino)butanoate Structure

88267-59-8

ethyl 4-(2-carb...

Learn More
Glycolic acid Structure

79-14-1

Glycolic acid

1-methyl-4-oxoquinazoline-2-carbonitrile Structure

88267-81-6

1-methyl-4-oxoq...

~41%

2-(1-methyl-4-oxoquinazolin-2-yl)oxyacetic acid Structure

88267-83-8

2-(1-methyl-4-o...

Learn More
2-methylaminobenzamide Structure

7505-81-9

2-methylaminobe...

~%

2-(1-methyl-4-oxoquinazolin-2-yl)oxyacetic acid Structure

88267-83-8

2-(1-methyl-4-o...

Learn More
1-methyl-4-oxoquinazoline-2-carboxamide Structure

88267-80-5

1-methyl-4-oxoq...

~%

2-(1-methyl-4-oxoquinazolin-2-yl)oxyacetic acid Structure

88267-83-8

2-(1-methyl-4-o...

Learn More
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate Structure

88267-66-7

ethyl 1-methyl-...

~%

2-(1-methyl-4-oxoquinazolin-2-yl)oxyacetic acid Structure

88267-83-8

2-(1-methyl-4-o...

Learn More
2-(2-hydroxyethylamino)benzamide Structure

88267-61-2

2-(2-hydroxyeth...

~49%

2-(2-chloroethylamino)benzamide Structure

88267-60-1

2-(2-chloroethy...

Learn More
Benzenecarboximidic acid, 2-amino- (9CI) Structure

28144-70-9

Benzenecarboxim...

~%

2-(2-chloroethylamino)benzamide Structure

88267-60-1

2-(2-chloroethy...

Learn More
2-(2-methoxycarbonylethylamino)benzamide Structure

88267-58-7

2-(2-methoxycar...

~66%

2-(3-hydroxypropylamino)benzamide Structure

88267-62-3

2-(3-hydroxypro...

Learn More
methyl 3-(2,4-dioxo-3,1-benzoxazin-1-yl)propanoate Structure

88267-64-5

methyl 3-(2,4-d...

~%

2-(3-hydroxypropylamino)benzamide Structure

88267-62-3

2-(3-hydroxypro...

Learn More

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