远销全球
Cas:4254-15-3
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryDayangchem'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:4254-15-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:4254-15-3
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:4254-15-3
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:4254-15-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:4254-15-3
Min.Order:1 Kilogram
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
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
Cas:4254-15-3
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
Cas:4254-15-3
Min.Order:1 Gram
FOB Price: $1000.0
Type:Lab/Research institutions
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:4254-15-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
Cas:4254-15-3
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
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:4254-15-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:4254-15-3
Min.Order:1 Gram
FOB Price: $88.0 / 99.0
Type:Trading Company
inquiry(S)-(+)-1,2-Propanediol CAS:4254-15-3 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 in
Cas:4254-15-3
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:4254-15-3
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
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:4254-15-3
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiryHigh purity (S)-(+)-propylene glycerol CAS: 4254-15-3 Specificatio Items Standard Result Assay (Ursolic acid) 98%min 98.22% Welcome to contact us to get
Cas:4254-15-3
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
superior quality moderate price & quick delivery Appearance:Colorless to light yellow liquiD 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. Applicatio
Cas:4254-15-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:4254-15-3
Min.Order:1 Kilogram
FOB Price: $30.0 / 50.0
Type:Lab/Research institutions
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
Cas:4254-15-3
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:4254-15-3
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAppearance/Colour:Colorless to light yellow liquid Melting Point:-59 °C Refractive Index:n20/D 1.432(lit.) Boiling Point:184.8 °C at 760 mmHg PKA:14.49±0.20(Predicted) Flash Point:107.2 °C PSA:40.46000 Density:1.03
Cas:4254-15-3
Min.Order:1 Gram
FOB Price: $6.0
Type:Trading Company
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
Cas:4254-15-3
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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
Cas:4254-15-3
Min.Order:10 Gram
FOB Price: $100.0
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:4254-15-3
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: (S)-(+)-Propylene Glycerol CAS No.: 4254-15-3 Molecule Formula:C6H12O3 Molecule Weight:132.16 Purity: 99.0% Package: 200kg/drum Description:Colorless to light yellow liquid Manufacture Standards:Enterprise Standard
Cas:4254-15-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); hydrogen bromide; hydrogen; (S)-[(5,6),(5’,6’)-bis(ethylenedioxy)biphenyl-2,2’ diyl]bis(diphenylphosphine) In ethanol; water at 60℃; under 825.083 Torr; for 1h; pH=1.34; Catalytic behavior; Pressure; Temperature; pH-value; Reagent/catalyst; Autoclave; | 100% |
With hydrogen; RuBr2[(S)-(C6H2OCH2CH2OP(C6H5)2)2] In methanol at 80℃; under 22501.8 Torr; for 40h; | 89% |
With potassium hydroxide; ammonium formate; 2-hydroxyethanethiol In water for 216h; GDH, FDH, NAD, pH = 7.5 - 8.3; | 50% |
(4S,1'R,2'S)-N(3)-[1'-(m-chlorobenzoyl)-2'-hydroxy-propan-1'-yl]-4-phenyl-5,5-dimethyloxazolidin-2-one
A
(S)-1,2-Propanediol
B
(4S)-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol for 0.166667h; | A 37% B 99% |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 0.5h; Heating; | 97% |
Stage #1: (S)-Ethyl lactate With lithium aluminium tetrahydride In diethyl ether at 0 - 20℃; for 4h; Stage #2: With water In tetrahydrofuran; diethyl ether at 0℃; | 86% |
With lithium aluminium tetrahydride In diethyl ether | 80% |
(2S)-1-(benzyloxy)propan-2-ol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol for 30h; | 96% |
(S)-Methyl lactate
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether at 0 - 20℃; for 2.25h; | 90% |
With lithium aluminium tetrahydride In tetrahydrofuran at 25℃; for 1h; | |
With hydrogen; Nishimura catalyst <(45.9% Rh/19.9% Pt) oxide> In methanol at 25℃; under 75007.5 Torr; | 77 % Spectr. |
(S)-1-triphenylmethoxypropan-2-ol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With silica gel supported sodium hydrogen sulfate In methanol; dichloromethane at 20℃; | 81% |
(2S)-2-(tetrahydro-2H-pyran-2-yloxy)propan-1-ol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 12h; | 80% |
Conditions | Yield |
---|---|
With [RuH(CO)(BPy-tPNN*)]; hydrogen In tetrahydrofuran at 110℃; under 38002.6 Torr; for 12h; Inert atmosphere; | 73% |
With hydrogen In methanol at 100℃; under 112511 Torr; for 15h; Autoclave; stereoselective reaction; | 80 %Chromat. |
(S)-1-(9H-fluoren-9-yloxy)propan-2-ol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol | 73% |
(R)-3-tosyloxy-1,2-propanediol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 4h; | 72% |
(S)-2-(benzyloxy)propan-1-ol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h; | 70% |
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h; Product distribution; reactions of derivatives; | 70% |
(S)-2-O-(4'-methoxybenzyl)propan-1,2-diol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h; | 60% |
(S)-2-(p-chlorobenzyloxy)-1-propanol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h; | 56% |
Conditions | Yield |
---|---|
With [(R,R)-N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(III) acetate; water at 0 - 20℃; for 12h; | A 50% B 48% |
With [(R,R)-N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(III) acetate; water at 0 - 20℃; for 14h; | A 50% B 44% |
With water; Cr(III)-endo,endo-2,5-diaminonorbornane-salen at 1℃; for 34h; | A 48% B 45% |
Conditions | Yield |
---|---|
With C72H102Co2F12N4O12P2; water at 0 - 20℃; for 2.5h; optical yield given as %ee; | A 50% B 43% |
With (R,R)-N,N′-bis(3,5-di-tertbutylsalicylidene)-1,2-cyclohexanediaminocobalt(III) acetate In water at 0℃; for 14h; Inert atmosphere; | A 43% B 45% |
methyloxirane
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With water In tetrahydrofuran at 0 - 20℃; for 18h; Catalytic behavior; Reagent/catalyst; enantioselective reaction; | 49% |
With (R,R)-(-)-N,N′-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminocobalt(II); water; acetic acid In toluene at 0 - 20℃; | 41% |
Co(Salen)/SBA-16-C8 In tetrahydrofuran; water at 9.84℃; for 28h; |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran | 48.6% |
With lithium aluminium tetrahydride | |
With sulfuric acid; hydrogen; platinum(IV) oxide; rhenium(VII) oxide In water at 80℃; under 150015 Torr; for 5h; Product distribution / selectivity; | n/a |
With sulfuric acid; hydrogen; platinum(IV) oxide In water at 80℃; under 150015 Torr; for 5h; Product distribution / selectivity; |
methyloxirane
A
(S)-1,2-Propanediol
B
(2R)-propane-1,2-diol
C
(S)-Propylene oxide
Conditions | Yield |
---|---|
With (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; water at 20℃; for 14h; | A n/a B n/a C 46% |
With water; (R,R)-[Co(salen)]2*GaCl3 at 20℃; for 3h; | A n/a B n/a C 43% |
With Aspergillus niger epoxide hydrolases immobilized onto modified Eupergit C In aq. phosphate buffer; dimethyl sulfoxide at 25℃; for 4h; pH=6.5; Kinetics; Reagent/catalyst; pH-value; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C 43% |
methyloxirane
A
(S)-1,2-Propanediol
B
(2R)-propane-1,2-diol
C
(R)-propylene oxide
Conditions | Yield |
---|---|
With water; chiral ((substituted salen)Co)2-InCl3 at 20℃; for 2h; | A n/a B n/a C 45% |
With (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; water In tetrahydrofuran at 19.84℃; for 3h; Kinetics; Reagent/catalyst; Solvent; optical yield given as %ee; enantioselective reaction; | A n/a B n/a C 43% |
With water; 3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate; (R,R)-(salen)Co(III)(OAc) In tetrahydrofuran at 20℃; for 24h; | |
fluorous (R,R)-(salen)cobalt(III) In water at 25℃; for 24h; Title compound not separated from byproducts; |
methyloxirane
A
(S)-1,2-Propanediol
B
(R)-propylene oxide
C
(S)-Propylene oxide
Conditions | Yield |
---|---|
With (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; (salen)Co(III)-ZnCl2; water In dichloromethane at 19.84℃; for 3h; Kinetics; Reagent/catalyst; Solvent; optical yield given as %ee; enantioselective reaction; | A 43% B n/a C n/a |
With 4CF3O3S(1-)*Co(3+)*Y(3+)*C36H52N2O2(2-); water In neat (no solvent) at 20℃; for 6h; Overall yield = 23 %; enantioselective reaction; | A n/a B n/a C n/a |
(S)-1-[bis(4-methoxyphenyl)methoxy]propan-2-ol
A
(S)-1,2-Propanediol
B
4,4'-dianisylmethane
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol for 2h; | A 13% B n/a |
(R)-3-iodo-1,2-propanediol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With sodium hydroxide; nickel Hydrogenation; |
(S)-1-O-benzoyl-1,2-dihydroxypropane
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With sodium hydroxide at 125℃; |
Conditions | Yield |
---|---|
at 50℃; Erwaermen des Reaktionsgemisches mit Salzsaeure; dextrorotatory form; |
ethyl (S)-2-acetyloxypropanoate
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 1h; Heating; |
1-Dimethylsilanyloxy-propan-2-one
A
(S)-1,2-Propanediol
B
(2R)-propane-1,2-diol
Conditions | Yield |
---|---|
With potassium carbonate; 1,2-bis((2R,5R)-2,5-diethylphosphoranylidene)benzene 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With potassium carbonate; (-)-1,2-bis[(2R,5R)-2,5-diisoprohylphospholano]benzene 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With potassium carbonate; (-)-1,2-bis[(2R,5R)-2,5-diisoprohylphospholano]benzene Product distribution; multistep reaction: asymmetric intramolecular hydrosilylation of hydroxyketones; other catalysts aand silylketones; |
1-O-β-D-glucosyl-(2S)-propylene glycol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With β-galactosidase In various solvent(s) at 35℃; |
3,4-dihydro-2H-pyran
(S)-1,2-Propanediol
(2S)-1-tetrahydropyranyloxy-2-hydroxypropane
Conditions | Yield |
---|---|
With hydrogenchloride for 24h; Product distribution; Ambient temperature; regioselective pyranylation of (S)-1,2-propanediol; | 99% |
With hydrogenchloride for 24h; Ambient temperature; | 98% |
(S)-1,2-Propanediol
carbonic acid dimethyl ester
(S)-(+)-4-methyl[1,3]dioxolan-2-one
Conditions | Yield |
---|---|
With sodium methylate In methanol at 60 - 115℃; for 25h; | 97% |
(S)-1,2-Propanediol
tert-butyldimethylsilyl chloride
(2S)-1-{[(1,1-dimethylethyl)dimethylsilyl]oxy}-2-propanol
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0 - 20℃; for 4h; | 96% |
With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine In dichloromethane for 5h; Ambient temperature; | 90% |
With dmap; triethylamine In dichloromethane at 22℃; for 18h; | 90% |
Conditions | Yield |
---|---|
With pyridine for 7h; Ambient temperature; | 93% |
With triethylamine In dichloromethane at 0 - 20℃; | 76% |
With dmap; triethylamine In dichloromethane; N,N-dimethyl-formamide for 8h; Ambient temperature; | 60% |
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 16h; | |
With dmap; triethylamine In dichloromethane at 23℃; for 14h; |
(S)-1,2-Propanediol
mono-4-methoxytrityl chloride
(R)-1-O-<(p-methoxyphenyl)diphenylmethyl>-1,2-propanediol
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 3.5h; Inert atmosphere; | 93% |
With dmap; triethylamine In dichloromethane; ethyl acetate 1.) 0 deg C, 30 min, 2.) RT, 15 h; |
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; diastereoselective reaction; | 93% |
(S)-1,2-Propanediol
(S)-(+)-4-methyl-2,2-dioxo-1,3,2-dioxathiolane
Conditions | Yield |
---|---|
Stage #1: (S)-1,2-Propanediol With thionyl chloride In dichloromethane at 20℃; Reflux; Inert atmosphere; Stage #2: With sodium periodate; ruthenium (III) chloride trihydrate In dichloromethane; water; acetonitrile at 0 - 20℃; | 90% |
With ruthenium trichloride; sodium periodate; thionyl chloride Yield given. Multistep reaction; | |
With ruthenium trichloride; sodium periodate; thionyl chloride 1.) CCl4, 60 deg C; 1.) CH3CN, H2O, 25 deg C; Yield given. Multistep reaction; |
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
In toluene byproducts: H2O; heating equimolar amts. of the boroxine and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;; | 89% |
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; diastereoselective reaction; | 89% |
(S)-1,2-Propanediol
acetic acid
acetoxy bromide of S-(+)-propane-1,2-diol
Conditions | Yield |
---|---|
With hydrogen bromide | 88% |
Conditions | Yield |
---|---|
With hydrogen bromide | 87% |
Conditions | Yield |
---|---|
With hydrogen bromide at 0 - 20℃; for 1h; | A 87% B n/a |
(S)-1,2-Propanediol
methanesulfonyl chloride
(S)-methylethylene bis(methanesulfonate)
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 1h; Mesylation; | 86% |
With triethylamine In dichloromethane |
(S)-1,2-Propanediol
4,4'-dimethoxytrityl chloride
(S)-1-(bis(4-methoxyphenyl)(phenyl)methoxy)propan-2-ol
Conditions | Yield |
---|---|
With diethylamine In dichloromethane | 85% |
With dmap In pyridine Ambient temperature; | 79% |
(S)-1,2-Propanediol
8-nitro-2-(4-oxopiperidin-1-yl)-6-(trifluoromethyl)-4H-benzo[e][1,3]thiazin-4-one
2-[(2S)-2-methyl-1,4-dioxa-8-azaspiro[4.5]dec-8-yl]-8-nitro-6-(trifluoromethyl)-4H-1,3-benzothiazin-4-one
Conditions | Yield |
---|---|
Stage #1: (S)-1,2-Propanediol With trimethylsilyl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 0.25h; Inert atmosphere; Stage #2: 8-nitro-2-(4-oxopiperidin-1-yl)-6-(trifluoromethyl)-4H-benzo[e][1,3]thiazin-4-one In dichloromethane for 0.333333h; Inert atmosphere; | 85% |
(S)-1,2-Propanediol
(S)-(-)-2-acetoxy-1-bromopropane
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 20℃; for 0.75h; | 85% |
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; enantioselective reaction; | 85% |
(S)-1,2-Propanediol
2-[(diethylamino)methyl]phenyl boronic acid
Conditions | Yield |
---|---|
In toluene byproducts: H2O; heating equimolar amts. of the boronic acid and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;; | 84% |
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
Stage #1: tert-butyl (1-phenylprop-2-yn-1-yl) carbonate With 2,6-bis[(4S)-4-methyl-4,5-dihydrooxazol-2-yl]pyridine; tetrakis(acetonitrile)copper(I)tetrafluoroborate In tetrahydrofuran at 20℃; for 0.166667h; Sealed tube; Stage #2: (S)-1,2-Propanediol With triethylamine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In tetrahydrofuran at -20℃; for 24h; Sealed tube; stereoselective reaction; | 84% |
2-[(N,N-diisopropylamino)methyl]phenylboronic acid
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
In toluene byproducts: H2O; heating equimolar amts. of the boronic acid and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;; | 83% |
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
In toluene byproducts: H2O; heating equimolar amts. of the boroxine and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;; | 83% |
(2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
In tert-butyl methyl ether at 20℃; for 24h; | 83% |
(S)-1,2-Propanediol
2,4,6-tris[2-(methoxymethyl)phenyl]boroxine
Conditions | Yield |
---|---|
In toluene byproducts: H2O; heating equimolar amts. of the boroxine and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;; | 81% |
cycl-isopropylidene malonate
bis-(4-bromo-benzylidene)-hydrazine
(S)-1,2-Propanediol
Conditions | Yield |
---|---|
With acetic acid at 80℃; for 8h; | 81% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View