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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Factory direct sales, accept customization. 8-Hydroxyjulolidine is used as an intermediate in the preparation of aminocoumarins via microwave-accelerated Pechmann reaction. It is also employed as a starting material for coumarin C-ribosides. Kind P
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factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
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inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryConditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 75℃; for 9h; | 84.6% |
With sodium carbonate In N,N-dimethyl-formamide at 80℃; for 15h; Inert atmosphere; | 69% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; | 68% |
Conditions | Yield |
---|---|
Stage #1: m-Anisidine; 1.3-chlorobromopropane at 20 - 140℃; for 45.5h; Inert atmosphere; Reflux; Stage #2: With hydrogen iodide for 6h; Reflux; | 70.1% |
Stage #1: m-Anisidine; 1.3-chlorobromopropane Heating; Stage #2: With hydrogen bromide for 3.5h; Heating; | 52% |
at 95 - 180℃; | 39% |
Stage #1: m-Anisidine; 1.3-chlorobromopropane With sodium carbonate at 100℃; for 11h; Stage #2: With hydrogenchloride; hydrogen iodide for 60h; Reflux; | |
Stage #1: m-Anisidine; 1.3-chlorobromopropane With ammonium acetate at 140℃; for 15h; Inert atmosphere; Stage #2: With hydrogenchloride; hydrogen iodide In water for 24h; Reflux; Inert atmosphere; | 1.5 g |
8-methoxy-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline
8-hydroxyjulolidine
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen iodide In water for 60h; Heating; | 67% |
With hydrogenchloride; hydrogen iodide In water Reflux; | 67% |
With hydrogen iodide In water Inert atmosphere; Reflux; | 1.32 g |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 64 percent / sodium carbonate, 4-A molecular sieves / a) from 70 deg C to 100 deg C, 3 h, b) reflux, 11 h 2: 67 percent / 47percent HI, conc. HCl / H2O / 60 h / Heating View Scheme |
m-Anisidine
8-hydroxyjulolidine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Heating 2: hydrogen iodide / Heating View Scheme | |
Multi-step reaction with 2 steps 1: sodium carbonate / 14 h / 70 - 100 °C 2: hydrogenchloride; hydrogen iodide / water / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: sodium carbonate / 19 h / 70 - 150 °C 2: pyridine hydrochloride / 2 h / 200 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydrogencarbonate / 2 h / 95 - 150 °C / Industrial scale 2.1: hydrogen iodide / 16 h / 110 °C / Industrial scale 2.2: pH 7 - 8 / Industrial scale View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium carbonate / 3 h / 65 - 100 °C / Industrial scale 2.1: hydrogen iodide / 16 h / 110 °C / Industrial scale 2.2: pH 7 - 8 / Industrial scale View Scheme |
8-hydroxyjulolidine
C19H19NO7S2
Conditions | Yield |
---|---|
In methanesulfonic acid at 150℃; for 0.25h; Sealed tube; | 100% |
8-hydroxyjulolidine
5-(tert-butoxycarbonylamino)pent-2-ynoic acid
8-(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizine) 5-(tert-butoxycarbonylamino)pent-2-ynoate
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 0℃; for 2h; Inert atmosphere; Sealed tube; | 98% |
8-hydroxyjulolidine
methyl 5-<(benzyloxycarbonyl)amino>-3-oxopentanoate
Conditions | Yield |
---|---|
Stage #1: 8-hydroxyjulolidine; methyl 5-<(benzyloxycarbonyl)amino>-3-oxopentanoate With triisopropoxytitanium(IV) chloride In hexane Stage #2: With hydrogenchloride at 95℃; for 9h; | 98% |
Stage #1: 8-hydroxyjulolidine; methyl 5-<(benzyloxycarbonyl)amino>-3-oxopentanoate With triisopropoxytitanium(IV) chloride In hexane; toluene for 12h; Reflux; Stage #2: With hydrogenchloride In water at 95℃; for 9h; | 4.3 g |
8-hydroxyjulolidine
N,N-dimethyl-formamide
9-formyl-8-hydroxyjulolidine
Conditions | Yield |
---|---|
With trichlorophosphate at 0 - 80℃; for 1.25h; Inert atmosphere; | 97.6% |
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 4℃; for 0.25h; Stage #2: 8-hydroxyjulolidine at 20 - 100℃; for 1h; | 94% |
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 4℃; for 0.25h; Stage #2: 8-hydroxyjulolidine In water at 4 - 100℃; for 2.5h; | 94% |
8-hydroxyjulolidine
4-cyano-1-methyl-3-methylthio-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In acetic acid Heating; | 96% |
8-hydroxyjulolidine
squaric acid
bis(8-hydroxy-9-julolidinyl)squaraine
Conditions | Yield |
---|---|
In toluene; butan-1-ol for 2h; Heating; | 95% |
In toluene; butan-1-ol for 5h; Heating; | 39.5% |
In toluene; butan-1-ol |
8-hydroxyjulolidine
malonic acid bis-(2,4,6-trichloro-phenyl) ester
9-hydroxy-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11-one
Conditions | Yield |
---|---|
In toluene for 2h; Heating; | 94% |
In toluene at 110℃; for 4h; | 87% |
Conditions | Yield |
---|---|
Stage #1: 8-hydroxyjulolidine; m-formylphenyl benzoic acid With sulfuric acid In water at 150℃; for 24h; Stage #2: With sodium chloride In water | 94% |
8-hydroxyjulolidine
2-(2,4-dihydroxybenzoyl)benzoic acid
2-(12-oxo-2,3,6,7-tetrahydro-1H,5H,12H-chromeno[2,3-f]pyrido[3,2,1-ij]quinolin-9-yl)benzoic acid
Conditions | Yield |
---|---|
With trifluoroacetic acid at 95℃; | 93% |
phthalic anhydride
8-hydroxyjulolidine
2-(8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbonyl)benzoic acid
Conditions | Yield |
---|---|
In benzene for 7h; Reflux; | 92% |
Stage #1: phthalic anhydride; 8-hydroxyjulolidine In toluene at 100℃; for 3h; Stage #2: With sodium hydroxide In water at 90℃; for 6h; | 76% |
In toluene for 24h; Reflux; | 70% |
8-hydroxyjulolidine
2'-Carboxy-4-diethylamino-2-hydroxybenzophenon
Conditions | Yield |
---|---|
With sulfuric acid In water at 140 - 145℃; for 5h; | 92% |
Conditions | Yield |
---|---|
In acetonitrile at 0 - 20℃; for 2h; pH=4; | 89% |
2-(8-hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbonyl)benzoic acid
8-hydroxyjulolidine
rhodamine 101
Conditions | Yield |
---|---|
With sulfuric acid In water at 110 - 140℃; for 2h; | 89% |
8-hydroxyjulolidine
diphenyl malonate
9-hydroxy-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11-one
Conditions | Yield |
---|---|
In toluene for 4h; Reflux; | 88% |
In toluene for 4h; Reflux; | 88% |
In toluene at 100℃; | 80.9% |
8-hydroxyjulolidine
2-cyanoethyl-N,N-(diisopropylamino)chlorophosphine
C21H32N3O2P
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane for 0.5h; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
With oxygen In 2,2,2-trifluoroethanol at 75℃; for 21h; regioselective reaction; | 87% |
With oxygen In 2,2,2-trifluoroethanol at 75℃; for 21h; | 87% |
8-hydroxyjulolidine
ethyl coumarin-3-carboxylate
B
ethyl 2-oxo-3,4-dihydro-2H-chromen-3-carboxylate
Conditions | Yield |
---|---|
at 140℃; for 1.5h; | A 86% B n/a |
8-hydroxyjulolidine
methyl 4-<(benzyloxycarbonyl)amino>-3-oxobutanoate
(10-oxo-2,3,5,6-tetrahydro-1H,4H,10H-11-oxa-3a-aza-benzo[de]anthracen-8-ylmethyl)carbamic acid benzyl ester
Conditions | Yield |
---|---|
With triisopropoxytitanium(IV) chloride In toluene for 16h; Pechmann condensation; Reflux; | 86% |
8-hydroxyjulolidine
methyl 3-oxohept-6-enoate
Conditions | Yield |
---|---|
With triisopropoxytitanium(IV) chloride In hexane; toluene at 110℃; for 16h; Pechmann Condensation; | 85% |
8-hydroxyjulolidine
2-methylphenyl aldehyde
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In propionic acid at 80 - 85℃; for 5h; Inert atmosphere; | 84% |
8-hydroxyjulolidine
6-carboxy-X-rhodamine
Conditions | Yield |
---|---|
With oxygen In 2,2,2-trifluoroethanol; water at 80℃; for 20h; regioselective reaction; | 82% |
With oxygen In 2,2,2-trifluoroethanol at 80℃; for 20h; | 82% |
8-hydroxyjulolidine
1-(1,3-benzothiazol-2-yl)-2,2,2-trifluoroethanone
9-[1-(1,3-benzothiazol-2-yl)-2,2,2-trifluoro-1-hydroxyethyl]-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol
Conditions | Yield |
---|---|
In toluene at 60℃; for 0.5h; regioselective reaction; | 81% |
formaldehyd
8-hydroxyjulolidine
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 5 - 60℃; for 6h; | 81% |
8-hydroxyjulolidine
Conditions | Yield |
---|---|
With magnesium(II) perchlorate; sodium nitrite In acetic anhydride 20 deg C; reflux, 30 min; | 80% |
8-hydroxyjulolidine
4-nitrobenzenediazonium tetrafluoroborate
Conditions | Yield |
---|---|
Stage #1: 8-hydroxyjulolidine With hydrogenchloride In methanol; water for 0.25h; Cooling with ice; Stage #2: 4-nitrobenzenediazonium tetrafluoroborate In methanol; water at 0℃; for 1.25h; | 80% |
Stage #1: 8-hydroxyjulolidine With hydrogenchloride In methanol; water at 0℃; for 0.25h; Stage #2: 4-nitrobenzenediazonium tetrafluoroborate In methanol; water at 0℃; for 1.25h; | 80% |
8-hydroxyjulolidine
3-imino-6-bromo-1H-isoindol-1-one hydrochloride
C20H17BrN2O2
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 100 - 120℃; for 3h; | 79% |
8-hydroxyjulolidine
methyl 3-oxohexanoate
8-propyl-2,3,5,6-tetrahydro-1H,4H-11-oxa-3a-aza-benzo[de]anthracen-10-one
Conditions | Yield |
---|---|
With triisopropoxytitanium(IV) chloride In toluene for 16h; Pechmann condensation; Reflux; | 79% |
8-hydroxyjulolidine
methyl 5-<(benzyloxycarbonyl)amino>-3-oxopentanoate
[2-(10-oxo-2,3,5,6-tetrahydro-1H,4H,10H-11-oxa-3a-aza-benzo[de]anthracen-8-yl)ethyl]carbamic acid benzyl ester
Conditions | Yield |
---|---|
With triisopropoxytitanium(IV) chloride In toluene for 16h; Pechmann condensation; Reflux; | 79% |
Conditions | Yield |
---|---|
With perchloric acid In N,N-dimethyl-formamide for 2.5h; | 78.2% |
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