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Cas:112022-81-8
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inquiryhigh quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
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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
As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis
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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 R&
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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Cas:112022-81-8
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inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:112022-81-8
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inquiryTop supplier for S-2-meyl-CBS-oxazaborolidine CAS:112022-81-8 with high quality and competitive price. Appearance:white to off-white solid Storage:store in well closed container Package:25kgs/fiber drum Application:used as pharmaceutical intermed
Cas:112022-81-8
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Cas:112022-81-8
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inquiryProduct Name: (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole CAS: 112022-81-8 MF: C18H20BNO MW: 277.17 EINECS: 601-150-5 Mol File: 112022-81-8.mol (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Struct
Cas:112022-81-8
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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:112022-81-8
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Cas:112022-81-8
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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
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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
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inquiryAppearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
Cas:112022-81-8
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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:112022-81-8
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:112022-81-8
Min.Order:1 Gram
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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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inquiryA 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:112022-81-8
Min.Order:4 Kilogram
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inquiry1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product
Cas:112022-81-8
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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
Cas:112022-81-8
Min.Order:1 Gram
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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
Cas:112022-81-8
Min.Order:10 Gram
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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:112022-81-8
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inquirySuperior quality, moderate price & quick delivery. Appearance:white or cream white solid Storage:In Room Temperature Package:1kg/bag,or as your request Application:For medicine , pesticide intermediates Transportation: as your request Port:
Cas:112022-81-8
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:112022-81-8
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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:112022-81-8
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Cas:112022-81-8
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inquirymethylbis(diisopropylamino)borane
(R)-α,α-diphenylprolinol
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In tetrahydrofuran; toluene reflux for 30 min; solvents are removed; | 89% |
(S)-diphenylprolinol
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In toluene byproducts: H2O; refluxing of pyrrolidine deriv. and methylboronic acid in toluene for 3 h; evapn. of solvent in vac.; | 86% |
With 4 A molecular sieve In toluene byproducts: H2O; react. of pyrrolidine deriv. and methylboronic acid in toluene at 23°C in presence of molecular sieves within 1,5 h; evapn. of solvent in vac.; | 86% |
dihydroxy-methyl-borane
(R)-α,α-diphenylprolinol
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In n-heptane at 40℃; Solvent; Temperature; Inert atmosphere; Reflux; Large scale; | 83% |
(S)-diphenylprolinol
dihydroxy-methyl-borane
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In toluene for 3h; Heating; | |
With 4 A molecular sieve In toluene for 15h; Heating; | |
In toluene for 14h; Cyclization; Heating; |
(S)-diphenylprolinol
Trimethylboroxine
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In toluene at 20℃; for 0.6h; | |
In toluene | |
In toluene at 20 - 155℃; |
methyldi-n-butoxyborane
A
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
B
butan-1-ol
Conditions | Yield |
---|---|
In toluene for 4h; Heating / reflux; |
6-phenylsulfanyl-3,4-dihydro-2H-naphthalen-1-one
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
(R)-6-phenylsulfanyl-1,2,3,4-tetrahydro-naphthalen-1-ol
Conditions | Yield |
---|---|
Stage #1: 6-phenylsulfanyl-3,4-dihydro-2H-naphthalen-1-one; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole With borane N,N-diethylaniline complex In toluene at 30 - 32℃; for 3h; Stage #2: With hydrogenchloride; methanol; water In toluene for 0.666667h; | 98% |
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
2,2,2-trifluoro-1-(1,1'-biphenyl-2-yl)ethanone
1-([1,1'-biphenyl]-2-yl)-2,2,2-trifluoroethan-1-ol
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran; toluene | 96% |
With hydrogenchloride In tetrahydrofuran; toluene | 96% |
dimethyl sulfide borane
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In toluene vac. transferring of toluene onto (S)-2-methyl-CBS-oxazaborolidine; addn. of BH3*SMe2 by syringe at -78°C; stirring at room temp. for 2 hand then at -10°C for 5 h; vac. transferring of pentane; pptn., filtration, washing with pentane; removal of volatiles in vac., drying overnight; | 91% |
diethyl ether
2-pentyl-2-cyclopenten-1-one
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
B
(R)-2-pentyl-2-cyclopentenol
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran; methanol; toluene | A n/a B 89% |
Sn(C4H9)3(CH3)2C3HO
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
With benzo[1,3,2]dioxaborole In toluene -30°C to -20°C; | 85% |
Conditions | Yield |
---|---|
Stage #1: (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole With dimethylsulfide borane complex In tetrahydrofuran; toluene at 0℃; for 0.25h; Stage #2: C20H16O7 In tetrahydrofuran at -78 - 20℃; for 1h; stereoselective reaction; | 85% |
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
(S)-diphenylprolinol
Conditions | Yield |
---|---|
With water | 77% |
3-Nitroacetophenone
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
(R)-1-(3-nitrophenyl)ethanol
Conditions | Yield |
---|---|
Stage #1: (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole With borane Ν,Ν-diethylaniline complex In toluene at 30℃; for 0.333333h; Inert atmosphere; Stage #2: 3-Nitroacetophenone In toluene at 30℃; for 5.5h; | 74% |
1-(3-Bromophenyl)ethanone
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
(R)-1-(3-bromophenyl)ethanol
Conditions | Yield |
---|---|
With dimethyl sulfide borane In tetrahydrofuran; toluene at 30℃; for 7h; | 54% |
3-(2-bromoacetyl)pyridine hydrobromide
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
(1R)-2-bromo-1-(3-pyridinyl)-1-ethanol
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol | 34% |
In tetrahydrofuran; methanol | 27% |
2-Chloro-4'-fluoroacetophenone
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
4-fluorostyrene oxide
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran |
di-tert-butyl dicarbonate
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
[3-Hydroxy-3-(3-pyridinyl)propyl]carbamic acid, 1,1-dimethylethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; borane In tetrahydrofuran; methanol; toluene | 928 mg (73%) |
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
4-chloro-1-(4-methylphenyl)butan-1-one
R-α-(3-Chloropropyl)-4-methyl-benzenemethanol
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol |
dimethyl sulfide borane
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol; dichloromethane; toluene |
dimethyl sulfide borane
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol; dichloromethane; toluene |
2,4-dichlorophenacyl bromide
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
(S)-2-bromo-1-(2,4-dichlorophenyl)ethan-1-ol
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol |
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
5-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepine-4,8-dione
Conditions | Yield |
---|---|
In toluene |
(E)-(phenylsulfinyl)but-3-en-2-one
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
2,2,2-trifluoro-1-(4-fluorophenyl)ethanone
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
2,2,2-trifluoro-1-(4-fluorophenyl)ethanol
Conditions | Yield |
---|---|
With benzo[1,3,2]dioxaborole In dichloromethane at -78℃; | n/a |
borane
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
N(CH2)3CHC(C6H5)2OBCH3(BH3)
Conditions | Yield |
---|---|
In tetrahydrofuran react. of oxazaborolidine deriv. and BH3 in soln.; not isolated; |
isopropyl 7-{(4R)-4-[(1E)-4,4-difluoro-3-oxo-4-phenylbut-1-en-1-yl]-2-oxo-1,3-oxazinan-3-yl}heptanoate
isopropyl 7-[(4R)-4-formyl-2-oxo-1,3-oxazinan-3-yl]heptanoate
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
Stage #1: isopropyl 7-{(4R)-4-[(1E)-4,4-difluoro-3-oxo-4-phenylbut-1-en-1-yl]-2-oxo-1,3-oxazinan-3-yl}heptanoate; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole With benzo[1,3,2]dioxaborole In toluene at -78℃; for 1h; Stage #2: isopropyl 7-[(4R)-4-formyl-2-oxo-1,3-oxazinan-3-yl]heptanoate In toluene at -78℃; for 1h; Stage #3: With hydrogenchloride In water; toluene |
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
With dimethylsulfide borane complex In toluene at 20℃; for 0.5h; |
1-(4′-fluoro[1,1′-biphenyl]-2-yl)ethan-1-one
(S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole
Conditions | Yield |
---|---|
Stage #1: (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole With borane-THF In tetrahydrofuran at -30℃; for 1h; Inert atmosphere; Stage #2: 1-(4′-fluoro[1,1′-biphenyl]-2-yl)ethan-1-one In tetrahydrofuran at -30℃; for 1h; Overall yield = 86 %; Overall yield = 1.8 g; | A n/a B n/a |
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