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Cas:4887-88-1
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inquiryProduct Description Product website: http://www.finerchem.com Product Name 5-Bromo-1H-benzimidazole CAS No.
Cas:4887-88-1
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inquiryUnique advantages for 5-Bromo-1H-benzimidazole Cas4887-88-1 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Package:1kg/foil bag;25kg/drum or per your request App
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Cas:4887-88-1
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inquiryProduct Name: 2-Ethylhexyl bromide Synonyms: 3-(bromomethyl)-heptan;Hexane, 1-bromo-2-ethyl;OCTYL BROMIDE;ISO-OCTYL BROMIDE;DL-1-BROMO-2-ETHYLHEXANE;BROMO ISOOCTANE;1-BROMO ISO OCTANE;1-BROMO-2-ETHYLHEXANE
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
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inquiry5-Bromo-1H-benzimidazole CAS:4887-88-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic
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inquiryProduct name: sodium metabisulfite / sodium metabisulphite Molecular weight: 190.10 Specification: 25Kg woven bag Quality guarantee period: 6 months Appearance:white powder/crystal Storage:Store in a cool,dry place and keep away fr
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryZibo Hangyu Biotechnology Development 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 chemi
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:4887-88-1
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inquiry5-Bromo-1H-benzimidazole Chemical Properties Melting point 130 °C Boiling point 417.4±18.0 °C(Predicted) density 1.770±0.06 g/cm3(Predicted) storage temp. Room temperature. pka 11.19±0.30(Predicted) InC
Cas:4887-88-1
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inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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inquiryHangzhou Fandachem Co.,Ltd, a China-based chemical company, specialize in exporting 6-Bromobenzimidazole, CAS NO: 4887-88-1 Please contact us by email freely. We are leading exporter in China. If you really need this cargo,
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inquiryWuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:4887-88-1
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inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
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inquiryAcmec 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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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Ansciep 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
Conditions | Yield |
---|---|
at 100℃; | 100% |
With hydrogenchloride In water for 3h; Reflux; | 97.5% |
for 2h; Reflux; | 85% |
With hydrogenchloride | |
Stage #1: formic acid; 4-Bromo-benzene-1,2-diamine for 2h; Reflux; Stage #2: With sodium hydroxide In water at 20℃; |
4-Bromo-benzene-1,2-diamine
trimethyl orthoformate
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
Stage #1: 4-Bromo-benzene-1,2-diamine; trimethyl orthoformate With hydrogenchloride In water; N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: With sodium hydrogencarbonate In water; N,N-dimethyl-formamide pH=7; | 100% |
With hydrogenchloride In water; N,N-dimethyl-formamide at 20℃; for 1h; | 100% |
With hydrogenchloride In water; N,N-dimethyl-formamide at 20℃; for 1h; | 100% |
With formic acid at 80℃; for 16h; |
Conditions | Yield |
---|---|
With gold nano particles supported on rutile TiO2 In toluene at 70℃; under 750.075 Torr; for 6h; Inert atmosphere; chemoselective reaction; | 96% |
orthoformic acid triethyl ester
4-Bromo-benzene-1,2-diamine
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With zirconium(IV) chloride In methanol at 20℃; for 3h; | 95% |
at 125℃; | 79% |
formic acid at 80℃; for 18h; |
carbon dioxide
4-Bromo-benzene-1,2-diamine
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With 4-dimethylamino-benzaldehyde In 1-methyl-pyrrolidin-2-one at 120℃; under 7500.75 Torr; for 24h; Flow reactor; | 91% |
With bis[1,2-bis(diphenylphosphine)ethane]ruthenium dichloride; hydrogen at 120℃; under 112511 Torr; for 40h; Green chemistry; | 90% |
5-bromo-2-mercaptobenzimidazole
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With rose bengal; water; oxygen; sodium chloride In N,N-dimethyl-formamide at 25℃; for 48h; Irradiation; Green chemistry; | 90% |
Aminoiminomethanesulfinic acid
4-Bromo-benzene-1,2-diamine
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
In water at 60℃; for 1h; | 89% |
N,N-dimethyl-formamide
4-Bromo-benzene-1,2-diamine
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With Imidazole hydrochloride at 120℃; for 6h; | 88% |
With Triethoxysilane; carbon dioxide; tris(pentafluorophenyl)borate at 120℃; for 24h; | 94 %Spectr. |
carbon dioxide
4-Bromo-benzene-1,2-diamine
A
5-bromo-1-methyl-1H-benzo[d]imidazole
B
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With phenylsilane at 50℃; under 22502.3 Torr; for 3h; Pressure; Autoclave; | A 7% B 88% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 120℃; for 6h; Green chemistry; | 85% |
Conditions | Yield |
---|---|
With potassium tert-butylate In 1,4-dioxane at 130℃; for 48h; Autoclave; | 85% |
Conditions | Yield |
---|---|
With iron; ammonium chloride In isopropyl alcohol at 80℃; Inert atmosphere; Schlenk technique; | 85% |
With iron; ammonium chloride In isopropyl alcohol at 80℃; for 3h; Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; trifluorormethanesulfonic acid; water at 100℃; for 1h; Sealed tube; | 81% |
Conditions | Yield |
---|---|
With N-Bromosuccinimide; sulfonic acid functionalized silica In diethyl ether; acetonitrile at 20℃; for 3h; | 77% |
4-Bromo-2-nitroaniline
Aminoiminomethanesulfinic acid
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 70℃; for 1.5h; Green chemistry; | 68% |
dimethyl sulfoxide
4-Bromo-benzene-1,2-diamine
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With ammonium acetate; water at 140℃; for 10h; Inert atmosphere; Schlenk technique; | 67% |
formic acid
4-Bromo-benzene-1,2-diamine
trimethyl orthoformate
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
at 80℃; for 16h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / H2NNH2; FeCl3*6H2O / methanol 2: 79 percent / 125 °C View Scheme |
2-phenoxy-1-phenylethanone
4-Bromo-benzene-1,2-diamine
A
5-bromo-2-phenyl-1H-benzo[d]imidazole
B
5-bromo-1H-benzo[d]imidazole
C
phenol
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In 2-methoxy-ethanol at 120℃; for 24h; Sealed tube; |
3,4-dihydro-2H-pyran
5-bromo-1H-benzo[d]imidazole
5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran at 80℃; for 18h; Inert atmosphere; | 100% |
With toluene-4-sulfonic acid In tetrahydrofuran at 80℃; for 18h; Inert atmosphere; | 100% |
With C21H17F3N6O2*C7H8O3S In tetrahydrofuran at 60℃; |
di-tert-butyl dicarbonate
5-bromo-1H-benzo[d]imidazole
1,1-dimethylethyl 5-bromo-1H-benzimidazole-1-carboxylate
Conditions | Yield |
---|---|
With dmap; triethylamine In tetrahydrofuran at 20℃; for 4h; | 98% |
With dmap; triethylamine In tetrahydrofuran at 20℃; for 4h; | 98% |
With dmap; triethylamine In tetrahydrofuran at 20℃; for 4h; | 98% |
5-bromo-1H-benzo[d]imidazole
pinacol vinylboronate
cyclopropylboronic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-benzo[d]imidazole; cyclopropylboronic acid With [2,2]bipyridinyl; copper diacetate; sodium carbonate In 1,2-dichloro-ethane at 80℃; under 775.743 Torr; for 48h; Stage #2: pinacol vinylboronate With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate In 1,4-dioxane; water at 80℃; for 16h; | A 85.79% B 85.79% |
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-benzo[d]imidazole With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Stage #2: p-methoxybenzyl chloride In tetrahydrofuran at 60℃; for 3h; Temperature; | 78% |
5-bromo-1H-benzo[d]imidazole
(2-trimethylethylsilylethoxy)methyl chloride
5-bromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-benzo[d]imidazole With sodium hydride In N,N-dimethyl-formamide Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In N,N-dimethyl-formamide | 77% |
Stage #1: 5-bromo-1H-benzo[d]imidazole With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran at 0 - 25℃; for 4h; | 75% |
Stage #1: 5-bromo-1H-benzo[d]imidazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.25h; Inert atmosphere; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In N,N-dimethyl-formamide; mineral oil at 0℃; for 1h; Inert atmosphere; | 44% |
Stage #1: 5-bromo-1H-benzo[d]imidazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.25h; Inert atmosphere; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In N,N-dimethyl-formamide; mineral oil for 1h; Inert atmosphere; | 44% |
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-benzo[d]imidazole With potassium carbonate In acetonitrile at 50℃; for 0.666667h; Stage #2: C11H13NO4S In acetonitrile at 75℃; | 73% |
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-benzo[d]imidazole With potassium carbonate In acetonitrile at 70℃; for 0.5h; Stage #2: C11H13NO4S In acetonitrile at 20 - 70℃; | 72.8% |
carbon dioxide
5-bromo-1H-benzo[d]imidazole
5-benzimidazolecarboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-benzo[d]imidazole With isopropylmagnesium chloride In tetrahydrofuran at 0℃; for 0.166667h; Stage #2: With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 0.5h; Stage #3: carbon dioxide In tetrahydrofuran; hexane at -20℃; for 0.5h; | 71% |
Conditions | Yield |
---|---|
In water | 66% |
5-bromo-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With copper(l) iodide; sodium azide; (R,R)-N,N'-dimethyl-1,2-diaminocyclohexane; sodium L-ascorbate In water; dimethyl sulfoxide at 70℃; for 4h; Inert atmosphere; | 66% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium hydroxide In tetrahydrofuran; water at 40 - 80℃; for 12h; Inert atmosphere; | 66% |
5-bromo-1H-benzo[d]imidazole
5-bromo-4,6,7-triiodo-1H-benzimidazole
Conditions | Yield |
---|---|
With sulfuric acid; iodine; periodic acid at 60℃; Cooling with ice; | 65% |
1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose
5-bromo-1H-benzo[d]imidazole
A
6-bromo-1-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)benzimidazole
B
5-bromo-1-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)benzimidazole
Conditions | Yield |
---|---|
With N,O-bis-(trimethylsilyl)-acetamide; trimethylsilyl trifluoromethanesulfonate In 1,2-dichloro-ethane for 3h; Reflux; | A 36% B 61% |
Stage #1: 5-bromo-1H-benzo[d]imidazole With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane for 24h; Reflux; Stage #2: 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose With trimethylsilyl trifluoromethanesulfonate In 1,2-dichloro-ethane for 2h; Reflux; | A 29% B 24% |
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