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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryHuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
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inquiry2H-Pyrrole,3,4-dihydro-3,3-dimethyl-5-(phenylmethyl)- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Por
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inquiry2H-Pyrrole,3,4-dihydro-3,3-dimethyl-5-(phenylmethyl)-Appearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid dama
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inquiry5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
With silver tetrafluoroborate In dichloromethane for 6h; Reflux; | 100% |
(E)-N-(2,2-dimethyl-5-phenylpent-4-yn-1-ylidene)benzylamine
oxalic acid
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Stage #1: (E)-N-(2,2-dimethyl-5-phenylpent-4-yn-1-ylidene)benzylamine With potassium 3,7-dimethyloctan-3-olate In tetrahydrofuran at 0℃; for 1h; Stage #2: oxalic acid With water In toluene for 0.5h; Reflux; Stage #3: With silver tetrafluoroborate In dichloromethane at 40℃; for 6h; | 100% |
benzyl chloride
4-chloro-3,3-dimethylbutyronitrile
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Stage #1: benzyl chloride With magnesium Stage #2: 4-chloro-3,3-dimethylbutyronitrile In diethyl ether; toluene for 5h; Reflux; | 70% |
With magnesium 1.) ether, reflux, 2 h, 2.) DMSO, 110-120 deg C, 3 h; Yield given. Multistep reaction; | |
Stage #1: benzyl chloride With magnesium In diethyl ether Grignard reaction; Stage #2: 4-chloro-3,3-dimethylbutyronitrile In diethyl ether; toluene for 5h; Grignard reaction; Reflux; |
4-chloro-3,3-dimethylbutyronitrile
benzylmagnesium chloride
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Stage #1: 4-chloro-3,3-dimethylbutyronitrile; benzylmagnesium chloride In diethyl ether for 2h; Reflux; Stage #2: In toluene for 3h; Reflux; | 70% |
(E)-2,2-dimethyl-5-phenyl-4-pentenyl-1-amine
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
With N-methylcyclohexylamine; Allyl acetate; potassium carbonate; [RuCl2(CO)3]2*1,3-bis(diphenylphosphino)propane at 120℃; for 22h; |
3,3-dimethyl-4-hydroxy butyronitrile
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 71 percent / SOCl2, pyridine / 0.17 h / Heating 2: 1.) Mg / 1.) ether, reflux, 2 h, 2.) DMSO, 110-120 deg C, 3 h View Scheme | |
Multi-step reaction with 2 steps 1.1: pyridine; thionyl chloride / 0 °C 2.1: diethyl ether / 2 h / Reflux 2.2: 3 h / Reflux View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 21 percent / dimethylsulfoxide / 6 h / 150 - 160 °C 2: 71 percent / SOCl2, pyridine / 0.17 h / Heating 3: 1.) Mg / 1.) ether, reflux, 2 h, 2.) DMSO, 110-120 deg C, 3 h View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
With hydrogenchloride In water at 0 - 45℃; for 1.75 - 2h; pH=0.5 - 1.5; Industry scale; |
2,2-dimethyl-4-oxo-5-phenyl-1-nitropentane
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Stage #1: 2,2-dimethyl-4-oxo-5-phenyl-1-nitropentane With hydrogen; Raney nickel In methanol at 50 - 60℃; under 750.075 - 3000.3 Torr; Stage #2: With hydrogenchloride In water; toluene at 15 - 45℃; for 0.25 - 0.333333h; Stage #3: In water at 5 - 10℃; pH=10 - 11; Alkaline conditions; |
5.5-dimethyl-1,3,2-dioxathiane-2-oxide
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: dimethyl sulfoxide / 36 h / 100 °C 2.1: pyridine; thionyl chloride / 0 °C 3.1: diethyl ether / 2 h / Reflux 3.2: 3 h / Reflux View Scheme |
2,2-Dimethyl-1,3-propanediol
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: thionyl chloride / dichloromethane / 5 - 10 °C 2.1: dimethyl sulfoxide / 36 h / 100 °C 3.1: pyridine; thionyl chloride / 0 °C 4.1: diethyl ether / 2 h / Reflux 4.2: 3 h / Reflux View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
With [(η5-C5Me4CH2CH2NZrNMe2)3] In benzene-d6 at 40℃; for 2h; Glovebox; Inert atmosphere; | > 95 %Spectr. |
4-chlorobenzoylmethyl bromide
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-dimethyl-6-(4-chlorophenyl)-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
Stage #1: 5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole With sodium hydrogencarbonate In methanol Stage #2: 4-chlorobenzoylmethyl bromide In methanol for 20h; Stage #3: With water at 40℃; for 1h; | 84% |
With sodium hydrogencarbonate In ethanol at 20℃; for 36h; | 25% |
With sodium hydrogencarbonate In ethanol; water at 20℃; for 36h; | 25% |
2-bromo-1-(5-chloro-thiophen-2-yl)-ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(5-chloro-thiophen-2-yl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 46% |
α-bromoacetophenone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-Dimethyl-6,7-diphenyl-2,3-dihydro-1H-pyrrolizin
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol 1.) room temp., 24 h, 2.) 24 h; | 42% |
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
2-bromo-1-thiophen-3-yl-ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-dimethyl-7-phenyl-6-(thiophen-3-yl)-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 34% |
1-(benzofuran-2-yl)-2-bromoethan-1-one
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(benzo[b]furan-2-yl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 27.5% |
1-(2-furyl)-2-bromoethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-dimethyl-6-(furan-2-yl)-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 19% |
α-bromophenylacetaldehyde
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-Dimethyl-5,7-diphenyl-2,3-dihydro-1H-pyrrolizin
Conditions | Yield |
---|---|
15% |
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
4-(6,6-Dimethyl-1-phenyl-6,7-dihydro-5H-pyrrolizin-2-yl)-phenol
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
2-bromo-1-(2,5-dichlorophenyl)ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(2,5-Dichloro-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
2-bromo-1-(3-chloro-phenyl)-ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(3-Chloro-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
4-(phenoxy)phenacyl bromide
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-Dimethyl-6-(4-phenoxy-phenyl)-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
4-Nitrophenacyl bromide
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-Dimethyl-6-(4-nitro-phenyl)-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; | |
Stage #1: 4-Nitrophenacyl bromide; 5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole In ethanol at 20℃; for 24h; Stage #2: With sodium hydrogencarbonate In ethanol; water at 20℃; for 24h; |
2-bromo-1-(2,3,4-trichlorophenyl)ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2,2-Dimethyl-7-phenyl-6-(2,3,4-trichloro-phenyl)-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
2,4-dichlorophenacyl bromide
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(2,4-Dichloro-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
2-bromo-1-(4-(tert-butyl)phenyl)ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(4-tert-Butyl-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; | |
Stage #1: 2-bromo-1-(4-(tert-butyl)phenyl)ethanone; 5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole In ethanol at 20℃; for 24h; Stage #2: With sodium hydrogencarbonate In ethanol; water at 20℃; for 24h; |
2-bromo-1-(3,4-dichlorophenyl)ethanone
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
6-(3,4-Dichloro-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2-chlorophenacyl bromide
6-(2-Chloro-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2-bromo-4'-fluoroacetophenone
6-(4-Fluoro-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
2-Bromo-4'-methoxyacetophenone
6-(4-Methoxy-phenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-1H-pyrrolizine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
4-aminophenacyl bromide
4-(6,6-Dimethyl-1-phenyl-6,7-dihydro-5H-pyrrolizin-2-yl)-phenylamine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; ethanol; water for 36h; Ambient temperature; |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaHCO3 / diethyl ether; ethanol; H2O / 36 h / Ambient temperature 2: Cu / toluene / 0.25 h / Heating 3: 44 percent / 10percent aq. NaOH / ethanol / 0.17 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 42 percent / 2.) NaHCO3 / ethanol / 1.) room temp., 24 h, 2.) 24 h 2: 39 percent / Cu / toluene / 0.25 h / Heating 3: 58 percent / 1.) 10percent KOH, 2.) 6percent H3PO4 / ethanol / 1.) reflux, 15 min View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
(2,2-Dimethyl-6,7-diphenyl-2,3-dihydro-1H-pyrrolizin-5-yl)-essigsaeureethylester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaHCO3 / diethyl ether; ethanol; H2O / 36 h / Ambient temperature 2: Cu / toluene / 0.25 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 42 percent / 2.) NaHCO3 / ethanol / 1.) room temp., 24 h, 2.) 24 h 2: 39 percent / Cu / toluene / 0.25 h / Heating View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
licofelone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaHCO3 / diethyl ether; ethanol; H2O / 36 h / Ambient temperature 2: Cu / toluene / 0.25 h / Heating 3: 75.5 percent / 10percent aq. NaOH / ethanol / 0.17 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1.1: sodium hydrogencarbonate / ethanol / 36 h / 20 °C 2.1: tetrahydrofuran / 10 - 15 °C 2.2: 0.33 h / 25 - 30 °C 3.1: hydrazine hydrate; potassium hydroxide / ethylene diglycol / 7 h / 85 - 145 °C View Scheme | |
Multi-step reaction with 4 steps 1: sodium hydrogencarbonate / ethanol; water / 36 h / 20 °C 2: tetrahydrofuran / 10 - 15 °C 3: water / tetrahydrofuran / 0.33 h / 25 - 30 °C 4: hydrazine hydrate; potassium hydroxide / diethylene glycol / 7 h / 85 - 145 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: ethanol / 0.5 h 2.1: tetrahydrofuran / 18 - 25 °C / Inert atmosphere 2.2: 0.33 h / 25 - 30 °C 3.1: hydrazine hydrate; potassium hydroxide / diethylene glycol / 50 - 145 °C View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaHCO3 / diethyl ether; ethanol; H2O / 36 h / Ambient temperature 2: Cu / toluene / 0.25 h / Heating 3: 58.8 percent / 10percent aq. NaOH / ethanol / 0.17 h / Heating View Scheme |
5-benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole
[2-(4-Amino-phenyl)-6,6-dimethyl-1-phenyl-6,7-dihydro-5H-pyrrolizin-3-yl]-acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaHCO3 / diethyl ether; ethanol; H2O / 36 h / Ambient temperature 2: Cu / toluene / 0.25 h / Heating 3: 73.4 percent / 10percent aq. NaOH / ethanol / 0.17 h / Heating View Scheme |
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