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
Cas:6948-34-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry6-METHYLBENZOTHIOPYRAN-4(4H)-ONE at competitive price from Henan Tianfu Chemical: Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we ha
Cas:6948-34-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:6948-34-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:6948-34-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:6948-34-1
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:6948-34-1
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryfactory?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
Cas:6948-34-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
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
Cas:6948-34-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:6948-34-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:6948-34-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Manufacturers
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
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry6-Methylthiochroman-4-one Application:6-Methylthiochroman-4-one
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl
Supply top quality products with a reasonable price Application:api
6-Methylbenzothiopyran-4(4H)-one cas 6948-34-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry6-Methylthiochroman-4-oneAppearance:white powder Storage:Shading, sealed, dry place. Package:aluminous bag Application:API Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by sea LCL/FCL
Cas:6948-34-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Stable supply of goods and provision of high-quality services Application:As raw materials in the field of medicine and biology
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
3-[(4-methylphenyl)thio]propionic acid
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With sulfuric acid at 20℃; for 12h; | 93% |
With PPA for 0.0166667h; microwave irradiation; | 85% |
With sulfuric acid at 5 - 20℃; | 70% |
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
aluminium trichloride In carbon disulfide for 3h; Ambient temperature; | 89% |
sulfuric acid
3-[(4-methylphenyl)thio]propionic acid
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
at 20℃; |
sodium p-thiocresolate
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / 0.06 h / microwave irradiation 2: 85 percent / polyphosphoric acid / 0.02 h / microwave irradiation View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaOH-solution 2: concentrated sulfuric acid / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: NaOH-solution 2: concentrated sulfuric acid / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide / Microwave irradiation 2: sulfuric acid View Scheme |
Conditions | Yield |
---|---|
Stage #1: chloropropionic acid; para-thiocresol With sodium hydroxide In water Stage #2: With sulfuric acid |
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With formic acid; [RuCl2(hexamethylbenzene)]2; (S)-2-piperidinemethanethiol hydrochloride; triethylamine at 30℃; for 24h; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 99% |
6-methyl-thiochroman-4-one
C10H12OS
Conditions | Yield |
---|---|
With formic acid; [RuCl2(hexamethylbenzene)]2; (S)-2-piperidinemethanethiol hydrochloride; triethylamine at 30℃; for 24h; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 99% |
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; sodium formate; chitosan In water; isopropyl alcohol at 20℃; for 46h; Green chemistry; enantioselective reaction; | n/a |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 20℃; for 3h; | 96% |
6-methyl-thiochroman-4-one
6-methyl-4-oxothiochroman S-oxide
Conditions | Yield |
---|---|
With dihydrogen peroxide at 70℃; for 1h; | 93% |
With dihydrogen peroxide; acetic acid | |
With dihydrogen peroxide; zinc dibromide In methanol; water at 20℃; for 6h; Air atmosphere; | 45 %Chromat. |
Conditions | Yield |
---|---|
With potassium hydroxide In tert-butyl alcohol at 40 - 45℃; for 1h; | 93% |
6-methyl-thiochroman-4-one
3-bromo-6-methylthiochroman-4-one
Conditions | Yield |
---|---|
With bromine; acetic acid at 40℃; for 4.16667h; | 88% |
With bromine; acetic acid at 20℃; | |
With carbon disulfide; bromine anschliessend Erwaermung auf 30grad; |
Conditions | Yield |
---|---|
With 1-butyl-3-methylimidazolium trifluoroacetate In ethanol for 0.05h; Microwave irradiation; | 87.2% |
6-methyl-thiochroman-4-one
mesitylenesulfonylhydroxylamine
Conditions | Yield |
---|---|
In dichloromethane for 1h; Ambient temperature; | 86% |
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With C61H48AlClN2O2; dihydrogen peroxide In methanol at 25℃; for 24h; pH=7.4; aq. phosphate buffer; optical yield given as %ee; enantioselective reaction; | 86% |
Conditions | Yield |
---|---|
With 1-butyl-3-methylimidazolium trifluoroacetate In ethanol for 0.0333333h; Microwave irradiation; | 85% |
6-methyl-thiochroman-4-one
thiosemicarbazide
6-methylthiochroman-4-one thiosemicarbazone
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol for 10h; Reflux; | 77% |
6-methyl-thiochroman-4-one
1,1-bis(diethylphosphono)ethylene
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 50℃; for 40h; | 76% |
Conditions | Yield |
---|---|
With dodecatungstosilic acid In ethanol Reagent/catalyst; Reflux; | 70.9% |
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With WAJ-7 (L75V-A82V-F87V-L262V-I263V-A264V-L437F) cytochrome P450-BM3 mutant; oxygen In aq. phosphate buffer at 30℃; for 24h; Enzymatic reaction; enantioselective reaction; | 65% |
6-methyl-thiochroman-4-one
dimethyl diazomalonate
B
dimethyl 7-methyl-5-oxo-2,3,4,5-tetrahydro-1-benzothiepin-2,2-dicarboxylate
Conditions | Yield |
---|---|
With copper(II) sulfate at 100 - 110℃; for 5h; | A n/a B 62% |
With copper(II) sulfate at 100 - 110℃; for 5h; Title compound not separated from byproducts; |
6-methyl-thiochroman-4-one
6-methyl-1,1-dioxothiochroman-4-one
Conditions | Yield |
---|---|
With dihydrogen peroxide; acetic acid In water for 2h; Reflux; | 57% |
With dihydrogen peroxide; acetic acid bei 20grad oder bei kurzem Kochen; | |
With dihydrogen peroxide In acetic acid |
6-methyl-thiochroman-4-one
chloroamine-T
A
6-methyl-1-(p-tolylsulphonylimino)thiochroman-4-one
B
7-methyl-2-p-tolylsulphonyl-2,3-dihydro-1,2-benzothiazepin-5(4H)-one
C
6-methyl-4-oxothiochroman S-oxide
Conditions | Yield |
---|---|
With acetic acid In methanol at 0℃; | A 54% B 5% C 33% |
6-methyl-thiochroman-4-one
A
6-methyl-1-(p-tolylsulphonylimino)thiochroman-4-one
B
7-methyl-2-p-tolylsulphonyl-2,3-dihydro-1,2-benzothiazepin-5(4H)-one
C
6-methyl-4-oxothiochroman S-oxide
Conditions | Yield |
---|---|
With chloroamine-T; acetic acid In methanol at 0℃; | A 54% B 5% C 33% |
6-methyl-thiochroman-4-one
formaldehyd
3-dimethylaminomethyl-6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With benzene anschliessend Erwaermen mit Dimethylamin-hydrochlorid; |
6-methyl-thiochroman-4-one
formaldehyd
6-methyl-3-piperidinomethyl-thiochroman-4-one
Conditions | Yield |
---|---|
With benzene anschliessend mit Piperidin-hydrochlorid und wenig Salzsaeure; |
Conditions | Yield |
---|---|
With benzene anschliessend Erwaermen mit Benzylamin; |
6-methyl-thiochroman-4-one
2,3-dimethyl-4-nitroso-aniline
Conditions | Yield |
---|---|
With potassium hydroxide; ethanol |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogen bromide; acetic acid |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With diethyl ether |
6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With carbon disulfide; bromine | |
With bromine; acetic acid | |
With chloroform; bromine |
Conditions | Yield |
---|---|
With phosphorus pentachloride; benzene Erwaermen des Reaktionsprodukts mit verd. Alkohol; | |
With phosphorus pentachloride In benzene for 2h; Reflux; | |
With N-chloro-succinimide In dichloromethane |
6-methyl-thiochroman-4-one
3,3-dibromo-6-methyl-thiochroman-4-one
Conditions | Yield |
---|---|
With bromine; acetic acid at 20℃; |
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