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CAS No.: | 1609373-99-0 |
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Name: | 2-Methyl-8-(pyridin-2-yl)benzofuro[2,3-b]pyridine |
Article Data: | 5 |
Molecular Structure: | |
Formula: | N/A |
Molecular Weight: | 260.295 |
Synonyms: | 1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine |
Density: | 1.248±0.06 g/cm3(Predicted) |
Boiling Point: | 444.0±40.0 °C(Predicted) |
2-bromo-pyridine
2-methyl-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuro[2,3-b]pyridine
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Stage #1: 2-bromo-pyridine; 2-methyl-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuro[2,3-b]pyridine With potassium carbonate In tetrahydrofuran for 0.5h; Inert atmosphere; Stage #2: With tetrakis(triphenylphosphine) palladium(0) at 80℃; for 12h; | 80% |
2-methylbenzofuran[2,3-b]pyridin-8-yl-trifluoromethanesulfonate
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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With tris-(dibenzylideneacetone)dipalladium(0); XPhos In tetrahydrofuran at 60 - 65℃; for 12h; | 65% |
(2,3-dimethoxyphenyl)boronic acid
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 5 steps 1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane; water / 5 h / Reflux 2: acetic acid; tert.-butylnitrite / tetrahydrofuran / 2 h / 0 °C 3: pyridine hydrochloride / 15 h / 200 °C 4: pyridine / dichloromethane / 0 °C 5: tris-(dibenzylideneacetone)dipalladium(0); XPhos / tetrahydrofuran / 12 h / 60 - 65 °C View Scheme |
2-amino-3-bromo-6-methyl-pyridine
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 5 steps 1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane; water / 5 h / Reflux 2: acetic acid; tert.-butylnitrite / tetrahydrofuran / 2 h / 0 °C 3: pyridine hydrochloride / 15 h / 200 °C 4: pyridine / dichloromethane / 0 °C 5: tris-(dibenzylideneacetone)dipalladium(0); XPhos / tetrahydrofuran / 12 h / 60 - 65 °C View Scheme |
3-(2,3-dimethoxyphenyl)-6-methylpyridin-2-amine
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 4 steps 1: acetic acid; tert.-butylnitrite / tetrahydrofuran / 2 h / 0 °C 2: pyridine hydrochloride / 15 h / 200 °C 3: pyridine / dichloromethane / 0 °C 4: tris-(dibenzylideneacetone)dipalladium(0); XPhos / tetrahydrofuran / 12 h / 60 - 65 °C View Scheme |
8-methoxy-2-methylbenzofuro[2,3-b]pyridine
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 3 steps 1: pyridine hydrochloride / 15 h / 200 °C 2: pyridine / dichloromethane / 0 °C 3: tris-(dibenzylideneacetone)dipalladium(0); XPhos / tetrahydrofuran / 12 h / 60 - 65 °C View Scheme | |
Multi-step reaction with 3 steps 1: pyridine hydrochloride / 200 °C 2: dichloromethane / 0 - 20 °C 3: magnesium / tetrahydrofuran / 35 - 45 °C View Scheme |
2-methylbenzofuro[2,3-b]pyridine-8-ol
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 2 steps 1: pyridine / dichloromethane / 0 °C 2: tris-(dibenzylideneacetone)dipalladium(0); XPhos / tetrahydrofuran / 12 h / 60 - 65 °C View Scheme |
2-methylbenzofuran[2,3-b]pyridin-8-yl-trifluoromethanesulfonate
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 2 steps 1.1: potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; 1,1'-bis-(diphenylphosphino)ferrocene / 1,4-dioxane / 80 °C 2.1: potassium carbonate / tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: 12 h / 80 °C View Scheme |
2-bromo-pyridine
2-methylbenzofuran[2,3-b]pyridin-8-yl-trifluoromethanesulfonate
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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With magnesium In tetrahydrofuran at 35 - 45℃; |
2-Amino-6-methylpyridine
1,2-methyl-8-(2-pyridine)benzofuran[2,3-B]pyridine
Conditions | Yield |
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Multi-step reaction with 7 steps 1: N-chloro-succinimide; bromine / tetrahydrofuran / 25 - 30 °C 2: toluene; ethanol; water / Reflux 3: acetic acid; tert.-butylnitrite / tetrahydrofuran / -20 °C 4: hydrogen; sodium carbonate; palladium on activated charcoal / tetrahydrofuran / 20 - 60 °C 5: pyridine hydrochloride / 200 °C 6: dichloromethane / 0 - 20 °C 7: magnesium / tetrahydrofuran / 35 - 45 °C View Scheme |