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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/975.html Product Name 6-Methoxy-7-benzyloxyquinazolin-4-one CAS No.
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inquiryformamidine acetic acid
2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
In 2-methyl-propan-1-ol at 97℃; for 6h; Product distribution / selectivity; | 98% |
In 2-methyl-propan-1-ol at 97℃; for 6h; | 98% |
In iso-butanol at 95℃; for 6h; | 86% |
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
formamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With ammonium formate at 180 - 190℃; for 2h; | 95% |
With ammonium formate at 150℃; for 3h; | 81% |
With ammonium formate | |
at 190℃; for 5h; |
C16H14N2O2
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With peracetic acid; sulfuric acid In ethanol at 60℃; for 3h; | 95% |
formamide
2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
at 190℃; for 5h; | 87% |
With ammonium formate at 150℃; for 4h; | 81% |
Gold's reagent
2-amino-4-benzyloxy-5-methoxybenzamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Stage #1: Gold's reagent; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 12h; Reflux; Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Reflux; | 87% |
Stage #1: Gold's reagent; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 24h; Heating / reflux; Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating / reflux; | 84% |
Stage #1: Gold's reagent; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 24h; Heating / reflux; Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating; | 84% |
2-amino-4-benzyloxy-5-methoxybenzamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With sodium acetate; acetic acid In 1,4-dioxane for 24h; Heating / reflux; | 84% |
With sodium acetate; acetic acid In 1,4-dioxane; water | 84% |
With sodium acetate; acetic acid In 1,4-dioxane; water | 84% |
[3-(dimethylamino)-2-azaprop-2-en-1-ylidene]-dimethylammonium chloride
2-amino-4-benzyloxy-5-methoxybenzamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Stage #1: [3-(dimethylamino)-2-azaprop-2-en-1-ylidene]-dimethylammonium chloride; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 24h; Heating / reflux; Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating / reflux; | 84% |
With sodium acetate; acetic acid In 1,4-dioxane; water | |
With sodium acetate; acetic acid In 1,4-dioxane; water |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With sodium acetate; acetic acid In 1,4-dioxane; water | 84% |
sodium acetate
acetic acid
2-amino-4-benzyloxy-5-methoxybenzamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Stage #1: 2-amino-4-benzyloxy-5-methoxybenzamide With Gold's reagent In 1,4-dioxane for 24h; Heating / reflux; Stage #2: sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating / reflux; | 84% |
orthoformic acid triethyl ester
2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With ammonium acetate for 4h; Reflux; | 71% |
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
trimethyl orthoformate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With methanol; ammonium acetate at 100℃; | 69% |
4-benzyloxy-3-methoxybenzoic acid benzyl ester
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 100 percent / HNO3; Ac2O / 3 h / 20 °C 2: 97 percent / Fe; FeCl3 / acetic acid; H2O; ethanol / 4 h / 20 °C 3: 87 percent / 5 h / 190 °C View Scheme | |
Multi-step reaction with 3 steps 1: 96.5 percent / HNO3; AcOH / CH2Cl2 / 100 °C 2: 95 percent / SnCl2*H2O / ethyl acetate / 50 °C 3: 81 percent / HCOONH4 / 4 h / 150 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: acetic acid / dichloromethane / 0 °C 1.2: 4 h / 0 - 5 °C 2.1: tin(ll) chloride / ethyl acetate / 18 h / 65 °C 3.1: ammonium acetate / 4 h / Reflux View Scheme |
4-benzyloxy-5-methoxy-2-nitrobenzoic acid benzyl ester
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / Fe; FeCl3 / acetic acid; H2O; ethanol / 4 h / 20 °C 2: 87 percent / 5 h / 190 °C View Scheme | |
Multi-step reaction with 2 steps 1: 95 percent / SnCl2*H2O / ethyl acetate / 50 °C 2: 81 percent / HCOONH4 / 4 h / 150 °C View Scheme | |
Multi-step reaction with 2 steps 1: tin(ll) chloride / ethyl acetate / 18 h / 65 °C 2: ammonium acetate / 4 h / Reflux View Scheme |
3-methoxy-4-hydroxybenzoic acid
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: K2CO3 / dimethylformamide / 20 °C 2: 100 percent / HNO3; Ac2O / 3 h / 20 °C 3: 97 percent / Fe; FeCl3 / acetic acid; H2O; ethanol / 4 h / 20 °C 4: 87 percent / 5 h / 190 °C View Scheme | |
Multi-step reaction with 4 steps 1: 96 percent / K2CO3 / dimethylformamide / 20 °C 2: 96.5 percent / HNO3; AcOH / CH2Cl2 / 100 °C 3: 95 percent / SnCl2*H2O / ethyl acetate / 50 °C 4: 81 percent / HCOONH4 / 4 h / 150 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 0.25 h / 22 °C 1.2: 18 h / 22 °C 2.1: acetic acid / dichloromethane / 0 °C 2.2: 4 h / 0 - 5 °C 3.1: tin(ll) chloride / ethyl acetate / 18 h / 65 °C 4.1: ammonium acetate / 4 h / Reflux View Scheme |
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
methyl 4-(benzyloxy)-5-methoxy-2-nitrobenzoate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sodium methylate; iron; formamide In methanol; chloroform; water; acetic acid; N,N-dimethyl-formamide |
acetic acid
2-amino-4-benzyloxy-5-methoxybenzamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Stage #1: 2-amino-4-benzyloxy-5-methoxybenzamide With Gold's reagent In 1,4-dioxane for 24h; Heating / reflux; Stage #2: acetic acid With sodium acetate In 1,4-dioxane for 3h; |
4-hydroxy-3-methoxybenzoic acid methyl ester
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium carbonate / acetone 2: nitric acid / acetic acid 3: sodium tetrahydroborate; nickel(II) chloride hexahydrate 4: formamide View Scheme | |
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 100 °C 2: nitric acid; acetic acid / 0.33 h / -10 °C 3: iron; ammonium chloride / water; methanol / 105 °C 4: ammonium acetate; methanol / 100 °C View Scheme | |
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 4 h / 20 °C 2: nitric acid / acetic acid / 1.17 h / 0 - 60 °C 3: iron(III) chloride; iron; acetic acid / ethanol; water 4: 5 h / 190 °C View Scheme | |
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 5 h / 100 °C 2: acetic acid; nitric acid / 4 h / 100 °C 3: iron; ammonium chloride / ethanol; water / 3 h / Reflux 4: ammonium formate / 3 h / 150 °C View Scheme |
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
ammonium formate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
In formamide |
methyl 4-(benzyloxy)-5-methoxy-2-nitrobenzoate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium tetrahydroborate; nickel(II) chloride hexahydrate 2: formamide View Scheme | |
Multi-step reaction with 2 steps 1: iron; ammonium chloride / water; methanol / 105 °C 2: ammonium acetate; methanol / 100 °C View Scheme | |
Multi-step reaction with 2 steps 1: iron(III) chloride; iron; acetic acid / ethanol; water 2: 5 h / 190 °C View Scheme | |
Multi-step reaction with 2 steps 1: iron; ammonium chloride / ethanol; water / 3 h / Reflux 2: ammonium formate / 3 h / 150 °C View Scheme |
methyl 4-(benzyloxy)-3-methoxybenzoate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: nitric acid / acetic acid 2: sodium tetrahydroborate; nickel(II) chloride hexahydrate 3: formamide View Scheme | |
Multi-step reaction with 3 steps 1: nitric acid; acetic acid / 0.33 h / -10 °C 2: iron; ammonium chloride / water; methanol / 105 °C 3: ammonium acetate; methanol / 100 °C View Scheme | |
Multi-step reaction with 3 steps 1: nitric acid / acetic acid / 1.17 h / 0 - 60 °C 2: iron(III) chloride; iron; acetic acid / ethanol; water 3: 5 h / 190 °C View Scheme | |
Multi-step reaction with 3 steps 1: acetic acid; nitric acid / 4 h / 100 °C 2: iron; ammonium chloride / ethanol; water / 3 h / Reflux 3: ammonium formate / 3 h / 150 °C View Scheme |
benzyl bromide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium carbonate / acetone 2: nitric acid / acetic acid 3: sodium tetrahydroborate; nickel(II) chloride hexahydrate 4: formamide View Scheme | |
Multi-step reaction with 4 steps 1: potassium carbonate / acetone / Reflux 2: nitric acid; acetic acid / 30 °C 3: iron; ammonium chloride / methanol; water / Reflux 4: ammonium bicarbonate / Reflux View Scheme | |
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 4 h / 20 °C 2: nitric acid / acetic acid / 1.17 h / 0 - 60 °C 3: iron(III) chloride; iron; acetic acid / ethanol; water 4: 5 h / 190 °C View Scheme | |
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 5 h / 100 °C 2: acetic acid; nitric acid / 4 h / 100 °C 3: iron; ammonium chloride / ethanol; water / 3 h / Reflux 4: ammonium formate / 3 h / 150 °C View Scheme |
4-(benzyloxy)-5-methoxy-2-nitrobenzoic acid
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: oxalyl dichloride / toluene / 2 h / Reflux 1.2: 2 h 2.1: acetic acid / 0.17 h / 90 °C 2.2: 1 h / Reflux 3.1: 1,4-dioxane / 12 h / Reflux 3.2: 3 h / Reflux View Scheme |
4-(benzyloxy)-5-methoxy-2-nitrobenzaldehyde
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: potassium permanganate / acetone / 2 h / 30 - 50 °C 2.1: oxalyl dichloride / toluene / 2 h / Reflux 2.2: 2 h 3.1: acetic acid / 0.17 h / 90 °C 3.2: 1 h / Reflux 4.1: 1,4-dioxane / 12 h / Reflux 4.2: 3 h / Reflux View Scheme |
5-Methoxy-2-nitro-4-(phenylmethoxy)benzamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: acetic acid / 0.17 h / 90 °C 1.2: 1 h / Reflux 2.1: 1,4-dioxane / 12 h / Reflux 2.2: 3 h / Reflux View Scheme |
3-methoxy-4-(phenylmethoxy)benzaldehyde
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: nitric acid / 2 h / 0 - 20 °C 2.1: potassium permanganate / acetone / 2 h / 30 - 50 °C 3.1: oxalyl dichloride / toluene / 2 h / Reflux 3.2: 2 h 4.1: acetic acid / 0.17 h / 90 °C 4.2: 1 h / Reflux 5.1: 1,4-dioxane / 12 h / Reflux 5.2: 3 h / Reflux View Scheme |
benzyl chloride
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 100 °C 2: nitric acid; acetic acid / 0.33 h / -10 °C 3: iron; ammonium chloride / water; methanol / 105 °C 4: ammonium acetate; methanol / 100 °C View Scheme |
formamide
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With ammonium bicarbonate Reflux; |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iron; ammonium chloride / methanol; water / Reflux 2: ammonium bicarbonate / Reflux View Scheme |
ethyl 4-benzyloxy-3-methoxybenzoate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: nitric acid; acetic acid / 30 °C 2: iron; ammonium chloride / methanol; water / Reflux 3: ammonium bicarbonate / Reflux View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
7-hydroxy-6-methoxy-3,4-dihydroquinazolin-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid for 2h; Heating; | 100% |
With methanesulfonic acid; trifluoroacetic acid for 3h; Reflux; | 88% |
With ammonium formate; palladium 10% on activated carbon In DMF (N,N-dimethyl-formamide) for 1.75h; | 64% |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With thionyl chloride; trichlorophosphate; N,N-dimethyl-formamide for 2h; Reflux; | 100% |
With thionyl chloride In N,N-dimethyl-formamide; toluene | |
With thionyl chloride In N,N-dimethyl-formamide |
Chloromethyl pivalate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one
Conditions | Yield |
---|---|
With potassium carbonate In ISOPROPYLAMIDE at 90℃; for 4h; | 100% |
With hydrogenchloride In water; N,N-dimethyl-formamide; mineral oil; Petroleum ether | 84% |
Stage #1: 7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one With sodium hydride In DMF (N,N-dimethyl-formamide); mineral oil at 20℃; for 1.83333h; Stage #2: Chloromethyl pivalate In DMF (N,N-dimethyl-formamide); mineral oil at 20℃; for 2h; | 84% |
Chloromethyl pivalate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
tert-butyl 2-[7-(benzyloxy)-6-methoxy-4-oxo-3(4H)-quinazolinyl]acetate
Conditions | Yield |
---|---|
With potassium carbonate In ISOPROPYLAMIDE at 90℃; for 4h; | 100% |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
7-benzyloxy-4-chloro-6-methoxyquinazoline
Conditions | Yield |
---|---|
With sodium hydroxide; N-ethyl-N,N-diisopropylamine; trichlorophosphate | 99% |
With trichlorophosphate In toluene Reflux; | 94% |
With trichlorophosphate for 3h; Heating; | 92% |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one
Conditions | Yield |
---|---|
Stage #1: 7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one With sodium hydride In N,N-dimethyl-formamide for 1.8h; Stage #2: With Chloromethyl pivalate at 20℃; for 2h; | 84% |
Chloromethyl pivalate
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
B
7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one
Conditions | Yield |
---|---|
With hydrogenchloride In water; N,N-dimethyl-formamide; mineral oil; Petroleum ether | A n/a B 84% |
hexan-1-amine
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With copper acetylacetonate; di-tert-butyl peroxide; N,N-dimethyl-formamide at 100℃; for 10h; Green chemistry; | 67% |
piperidine
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With copper acetylacetonate; di-tert-butyl peroxide; N,N-dimethyl-formamide at 100℃; for 10h; Green chemistry; | 65% |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
7-acetoxy-6-methoxy-3,4-dihydroquinazolin-4-one
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride; palladium In methanol; water; ethyl acetate; toluene | 27% |
Multi-step reaction with 2 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: methanesulfonic acid; trifluoroacetic acid / 3 h / Reflux 2: pyridine / 3 h / 120 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: ammonium formate / palladium 10% on activated carbon / DMF (N,N-dimethyl-formamide) / 1.55 h 2.1: pyridine / 20.5 h / 20 - 100 °C 2.2: 0.25 h / 90 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
4-chloro-6-methoxyquinazolin-7-yl acetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: methanesulfonic acid; trifluoroacetic acid / 3 h / Reflux 2: pyridine / 3 h / 120 °C 3: thionyl chloride / N,N-dimethyl-formamide / 1.5 h / Reflux View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
4-((3-chloro-4-fluorophenyl)amino)-6-methoxyquinazolin-7-ol
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
acetic acid 4-(3-chloro-4-fluoro-phenylamino)-6-methoxy-quinazolin-7-yl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C 6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C 7: 20 percent Chromat. / N-methylpyrrolidinone / 135 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C 6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C 7: 77 percent / N-methylpyrrolidinone / 135 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C 6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C 7: 72 percent / N-methylpyrrolidinone / 135 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C 6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C 7: 64 percent / N-methylpyrrolidinone / 135 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C 6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C 7: 20 percent / N-methylpyrrolidinone / 135 °C View Scheme |
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
trifluoromethanesulfonic acid 4-(3-chloro-4-fluorophenylamino)-6-methoxy-7-quinazolinyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 100 percent / aq. TFA / 2 h / Heating 2: 89 percent / pyridine / 1 h / Heating 3: 69 percent / SOCl2 / 1.5 h / Heating 4: 91 percent / i-PrOH / Heating 5: 90 percent / ammonia; methanol / 2 h / 20 °C 6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C View Scheme |
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