Dayangchem's 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. DayangChem can provide different quantities
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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Cas:939-69-5
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FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
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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 manufactu
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Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:939-69-5
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inquiryProduct name 6-hydroxybenzo[d]thiazole-2-carbonitrile Cas number 939-69-5 Molecular formula C8H4N2OS Molecular weight 176.2 Boili
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inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:939-69-5
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inquiryProduct Name: 2-CYANO-6-HYDROXYBENZOTHIAZOLE CAS: 939-69-5 MF: C8H4N2OS MW: 176.2 EINECS: Mol File: 939-69-5.mol 2-CYANO-6-HYDROXYBENZOTHIAZOLE Structure 2-CYANO-6-HYDROXYBENZOTHIAZOLE Chemical Properties Melting point 211-21
Cas:939-69-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry2-CYANO-6-HYDROXYBENZOTHIAZOLE CAS:939-69-5 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 orga
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Min.Order:1 Gram
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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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Cas:939-69-5
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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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inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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Min.Order:1 Gram
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Type:Lab/Research institutions
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Min.Order:10 Gram
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inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceuti
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Min.Order:1 Kilogram
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Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
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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Min.Order:0 Metric Ton
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GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:939-69-5
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Min.Order:1 bottle
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Type:Lab/Research institutions
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
Conditions | Yield |
---|---|
With pyridine hydrochloride at 200℃; | 99% |
In methanol; hexane; ethyl acetate | 95% |
With pyridine hydrochloride In sulfolane at 180℃; Sealed tube; Inert atmosphere; | 93% |
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Stage #1: potassium cyanide With dibenzo-18-crown-6; copper(II) tetrafluroborate hexahydrate; copper(l) cyanide In acetonitrile for 0.25h; Sandmeyer Reaction; Stage #2: With N,N,N,N,-tetramethylethylenediamine In acetonitrile at 25℃; for 0.5h; Sandmeyer Reaction; Stage #3: diazonium tetrafluoroborate salt of 2-amino-6-hydroxybenzothiazole In acetonitrile at 25℃; for 1h; Catalytic behavior; Mechanism; Reagent/catalyst; Time; Sandmeyer Reaction; Sealed tube; Inert atmosphere; | 90% |
6-allyloxybenzothiazole-2-carbonitrile
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
With sodium tetrahydroborate; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; | 83% |
N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-4-methoxyaniline
A
2-cyano-6-hydroxybenzothiazole
B
2-cyano-6-methoxybenzothiazole
Conditions | Yield |
---|---|
With pyridine hydrochloride In sulfolane at 180℃; for 1h; | A 61% B 20% |
4-methoxy-aniline
4,5-dichloro-1,2,3-dithiazolium chloride
A
2-cyano-6-hydroxybenzothiazole
B
2-cyano-6-methoxybenzothiazole
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-aniline; 4,5-dichloro-1,2,3-dithiazolium chloride In sulfolane at 40 - 180℃; for 3.33333h; Sealed tube; Inert atmosphere; Stage #2: With pyridine hydrochloride In sulfolane at 180℃; for 1h; Sealed tube; Inert atmosphere; | A 51% B 21% |
Conditions | Yield |
---|---|
With trimethylsilyl iodide In diethyl ether; chloroform; dimethyl sulfoxide | 42% |
6-ethoxy-benzothiazole-2-carbonitrile
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
With pyridine hydrochloride at 185 - 195℃; for 2h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) AcOH, aq. H2SO4, aq. NaNO2, 2.) NaHCO3 / 1.) 1 h, 2.) water, 30 min 2: 81 percent / pyridinium chloride / 0.75 h / 200 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium nitrite / copper(I) chloride / hydrogenchloride; methanol; formic acid; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; water; acetic acid; ethyl acetate 2: trimethylsilyl iodide / diethyl ether; chloroform; dimethyl sulfoxide View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dimethylsulfoxide / 2.5 h / 125 °C 2: Py*HCl / 2 h / 185 - 195 °C View Scheme |
ethyl 4'-methoxyoxanilate
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: (i) P2S5, xylene, (ii) K3, aq. NaOH 2: HCl 3: NH3 / methanol 4: POCl3 5: Py*HCl / 200 °C View Scheme | |
Multi-step reaction with 5 steps 1: (i) P2S5, xylene, (ii) K3, aq. NaOH 2: methanol; diethyl ether 3: NH3 / methanol 4: POCl3 5: Py*HCl / 200 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: POCl3 2: Py*HCl / 200 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: HCl 2: NH3 / methanol 3: POCl3 4: Py*HCl / 200 °C View Scheme | |
Multi-step reaction with 4 steps 1: methanol; diethyl ether 2: NH3 / methanol 3: POCl3 4: Py*HCl / 200 °C View Scheme |
6-methoxy-benzothiazole-2-carboxylic acid methyl ester
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NH3 / methanol 2: POCl3 3: Py*HCl / 200 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(l) iodide; tetrabutylammomium bromide; palladium dichloride / dimethyl sulfoxide; N,N-dimethyl-formamide / 3 h / 120 °C / Inert atmosphere 2: pyridine hydrochloride / 1 h / 180 °C / Neat (no solvent); Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: palladium dichloride; copper(l) iodide; tetrabutylammomium bromide / N,N-dimethyl-formamide; dimethyl sulfoxide / 2 h / 120 °C 2: pyridine hydrochloride / sulfolane / 180 °C / Sealed tube; Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: palladium dichloride; copper(l) iodide; tetrabutylammomium bromide / Inert atmosphere 2: pyridine hydrochloride / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: dichloromethane / 1 h / 20 °C / Inert atmosphere 1.2: 20 °C / Inert atmosphere 2.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / -5 °C 3.1: copper(l) iodide; tetrabutylammomium bromide; palladium dichloride / dimethyl sulfoxide; N,N-dimethyl-formamide / 3 h / 120 °C / Inert atmosphere 4.1: pyridine hydrochloride / 1 h / 180 °C / Neat (no solvent); Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: sulfolane / 3.33 h / 40 - 180 °C / Sealed tube; Inert atmosphere 1.2: 1 h / 180 °C / Sealed tube; Inert atmosphere 2.1: pyridine hydrochloride / sulfolane / 180 °C / Sealed tube; Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: dichloromethane / 3 h / 20 °C / Inert atmosphere 2: pyridine hydrochloride / sulfolane / 1 h / 180 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: acetonitrile; tetrahydrofuran / 1 h / Inert atmosphere 1.2: 3 h / 20 °C / Inert atmosphere 2.1: palladium dichloride; copper(l) iodide; tetrabutylammomium bromide / N,N-dimethyl-formamide; dimethyl sulfoxide / 2 h / 120 °C 3.1: pyridine hydrochloride / sulfolane / 180 °C / Sealed tube; Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1: dichloromethane / 3 h / 20 °C / Inert atmosphere 2: pyridine hydrochloride / sulfolane / 1 h / 180 °C 3: pyridine hydrochloride / sulfolane / 180 °C / Sealed tube; Inert atmosphere View Scheme |
N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-4-methoxyaniline
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / -5 °C 2: copper(l) iodide; tetrabutylammomium bromide; palladium dichloride / dimethyl sulfoxide; N,N-dimethyl-formamide / 3 h / 120 °C / Inert atmosphere 3: pyridine hydrochloride / 1 h / 180 °C / Neat (no solvent); Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: pyridine hydrochloride / sulfolane / 1 h / 180 °C 2: pyridine hydrochloride / sulfolane / 180 °C / Sealed tube; Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1: 1,8-diazabicyclo[5.4.0]undec-7-ene / Inert atmosphere 2: palladium dichloride; copper(l) iodide; tetrabutylammomium bromide / Inert atmosphere 3: pyridine hydrochloride / Inert atmosphere View Scheme |
(4-(((2-cyanobenzo[d]thiazol-6-yl)oxy)methyl)phenyl)boronic acid
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
With dihydrogen peroxide In aq. buffer Kinetics; |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: hydrogenchloride / ethanol; water / 0.5 h 1.2: 24 h / 25 °C 2.1: sodium acetate / water 3.1: tetrafluoroboric acid; sodium nitrite / water / 1 h / 0 °C 4.1: dibenzo-18-crown-6; copper(II) tetrafluroborate hexahydrate; copper(l) cyanide / acetonitrile / 0.25 h 4.2: 0.5 h / 25 °C 4.3: 1 h / 25 °C / Sealed tube; Inert atmosphere View Scheme |
2-amino-6-hydroxybenzothiazole hydrochloride salt
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium acetate / water 2.1: tetrafluoroboric acid; sodium nitrite / water / 1 h / 0 °C 3.1: dibenzo-18-crown-6; copper(II) tetrafluroborate hexahydrate; copper(l) cyanide / acetonitrile / 0.25 h 3.2: 0.5 h / 25 °C 3.3: 1 h / 25 °C / Sealed tube; Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Stage #1: morpholine; formaldehyd In acetonitrile at 80℃; for 1h; Stage #2: 2-cyano-6-hydroxybenzothiazole In acetonitrile at 80℃; | 98% |
allyl bromide
2-cyano-6-hydroxybenzothiazole
6-allyloxybenzothiazole-2-carbonitrile
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 20h; Inert atmosphere; | 96% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; | 90% |
Stage #1: 2-cyano-6-hydroxybenzothiazole With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.25h; Williamson Ether Synthesis; Stage #2: allyl bromide In N,N-dimethyl-formamide at 70℃; | 82% |
Conditions | Yield |
---|---|
In water at 20℃; | 95% |
With ammonia; sodium In methanol; water | 94% |
Stage #1: D-cysteine; 2-cyano-6-hydroxybenzothiazole In aq. buffer for 1h; Stage #2: With ATP; magnesium chloride; zinc(II) chloride; luciferase In aq. buffer | 27% |
Conditions | Yield |
---|---|
Stage #1: formaldehyd; 4-(piperidin-4-yl)morpholine In acetonitrile at 80℃; for 1h; Stage #2: 2-cyano-6-hydroxybenzothiazole In acetonitrile at 80℃; | 95% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 5h; Cooling with ice; | 94.8% |
crotonyl chloride
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 5h; Cooling with ice; | 94.7% |
With triethylamine In dichloromethane at 20℃; for 1h; | 94.7% |
α-methyl-o-nitrobenzyl bromide
2-cyano-6-hydroxybenzothiazole
2-cyano-6-(1-(2-nitrophenyl)ethoxy)benzothiazole
Conditions | Yield |
---|---|
With potassium carbonate In acetone Reflux; | 94.5% |
4-bromomethylphenylboronic acid
2-cyano-6-hydroxybenzothiazole
(4-(((2-cyanobenzo[d]thiazol-6-yl)oxy)methyl)phenyl)boronic acid
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 60℃; | 94% |
p-hydroxymethylphenylboronic acid
2-cyano-6-hydroxybenzothiazole
(4-(((2-cyanobenzo[d]thiazol-6-yl)oxy)methyl)phenyl)boronic acid
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 60℃; | 94% |
methanol
2-cyano-6-hydroxybenzothiazole
methyl 6-hydroxybenzo[d]thiazole-2-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate | 94% |
With potassium carbonate at 20℃; for 24h; | 94% |
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Stage #1: t-butyl (S)-2-((t-butoxycarbonyl)amino)-5-((4-(hydroxymethyl)phenyl)amino)-5-oxopentanoate With triethylamine; p-toluenesulfonyl chloride In dichloromethane at 0℃; for 2.5h; Inert atmosphere; Stage #2: 2-cyano-6-hydroxybenzothiazole With potassium carbonate; sodium iodide In acetonitrile at 85℃; for 5h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
Stage #1: formaldehyd; dimethyl amine In acetonitrile at 80℃; for 1h; Stage #2: 2-cyano-6-hydroxybenzothiazole In acetonitrile at 80℃; | 91% |
propargyl bromide
2-cyano-6-hydroxybenzothiazole
6-(prop-2-ynyloxy)benzo[d]thiazole-2-carbonitrile
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 20℃; | 91% |
2-nitrophenylmethyl bromide
2-cyano-6-hydroxybenzothiazole
2-cyano-6-(2-nitrobenzyloxy)benzothiazole
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 1h; Reflux; | 90% |
Conditions | Yield |
---|---|
With caesium carbonate In tetrahydrofuran at 50℃; | 89% |
With caesium carbonate In tetrahydrofuran at 50℃; for 16h; | 69% |
6-nitroveratrylbromide
2-cyano-6-hydroxybenzothiazole
2-cyano-6-(4,5-dimethoxy-2-nitrobenzyloxy)benzothiazole
Conditions | Yield |
---|---|
With potassium carbonate In acetone Reflux; | 88.6% |
2-(trimethylsilyl)ethyl 4-(1-bromoethyl)-3-nitrobenzoate
2-cyano-6-hydroxybenzothiazole
2-(trimethylsilyl)ethyl-4-(1-(2-cyanobenzo[d]thiazol-6-yloxy)ethyl)-3-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 2h; Reflux; | 88% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 2h; | 87.3% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 2h; | 67.3% |
Conditions | Yield |
---|---|
With pyridine In dichloromethane for 0.333333h; Ambient temperature; | 87% |
2-cyano-6-hydroxybenzothiazole
2-(1H-tetrazol-5-yl)benzo[d]thiazol-6-ol
Conditions | Yield |
---|---|
With sodium azide; water; zinc(II) chloride at 25℃; for 24h; Micellar solution; | 87% |
With sodium azide; zinc(II) chloride In water at 25℃; for 24h; | 87% |
Conditions | Yield |
---|---|
With potassium carbonate In methanol; water for 0.333333h; Inert atmosphere; | 86% |
With potassium carbonate In water; acetonitrile at 20℃; for 0.333333h; | 86% |
With potassium carbonate In methanol; water for 0.0833333h; Yield given; | |
With potassium carbonate In methanol for 8h; Concentration; Reagent/catalyst; Inert atmosphere; | 22.76g |
Conditions | Yield |
---|---|
With pyridine In dichloromethane for 0.333333h; Ambient temperature; | 86% |
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In acetone Heating; | 86% |
With potassium carbonate; sodium iodide In acetone Reflux; | 86% |
bis(pentafluorophenyl)carbonate
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
Stage #1: bis(pentafluorophenyl)carbonate; 2-cyano-6-hydroxybenzothiazole With triethylamine In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; Stage #2: N-[(CH2)3-COO-t-Bu]-N’-Boc-N’-methyl-ethylenediamine In tetrahydrofuran at 20℃; for 2h; | 86% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; | 86% |
With potassium carbonate; sodium iodide In acetone Reflux; | 78% |
Conditions | Yield |
---|---|
Stage #1: l-cysteine hydrochloride; 2-cyano-6-hydroxybenzothiazole In methanol; water at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: With potassium carbonate In methanol; water at 20℃; for 0.333333h; Inert atmosphere; | 86% |
With potassium carbonate In methanol; dichloromethane; water for 0.166667h; Cooling with ice; | 80% |
5-nitro-2-toluenesulfonyl chloride
2-cyano-6-hydroxybenzothiazole
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 3h; | 85% |
With triethylamine In dichloromethane at 20℃; for 3h; | 85% |
2-nitro-5-methylbenzenesulfonyl chloride
2-cyano-6-hydroxybenzothiazole
2-cyanobenzothiazol-6-yl 2-nitro-5-methylbenzenesulfonate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 3h; | 85% |
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