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:110-51-0
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inquiry1. High quality: 99%up 2. Big capacity: 500mt per month 3. A lower price with high quality 4. Certificate: ISO, COA 5. Package: Packed with multi-layer paper bags, with polyethylene inner bag, net weight 25kg per bag. 6. Storage should be store
Welcome 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:110-51-0
Min.Order:1 Kilogram
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inquiryThe company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:Colorless liquid Storage:Sealed, dry, microther
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:110-51-0
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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inquiryOur company 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 had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:110-51-0
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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:110-51-0
Min.Order:1 Kilogram
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Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:110-51-0
Min.Order:10 Gram
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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:110-51-0
Min.Order:1 Kilogram
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inquiryProduct Name: Borane-pyridine complex CAS: 110-51-0 MF: C5H8BN MW: 92.93 EINECS: 203-773-4 Mol File: 110-51-0.mol Borane-pyridine complex Structure Borane-pyridine complex Chemical Properties Melting point 10-11 °C(lit.) B
Cas:110-51-0
Min.Order:1 Gram
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:110-51-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 24.0
Type:Trading Company
inquiryBorane-pyridine complex CAS:110-51-0 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
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Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryHebei 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:110-51-0
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
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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Min.Order:0
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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:110-51-0
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
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:110-51-0
Min.Order:1 Gram
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
Massive 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:110-51-0
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:110-51-0
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryBorane-pyridine complex,pyridine-borane in stock CAS 110-51-0Appearance:powder Storage:dry and cool place Package:according to customers' requirements Application:API ,Used as pharmaceutical intermediates Transportation:By air(EMS or EUB or FedEx or
Cas:110-51-0
Min.Order:1 Gram
Negotiable
Type:Other
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 providing h
Product 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:110-51-0
Min.Order:1 Kilogram
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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
Cas:110-51-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong 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:110-51-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
Cas:110-51-0
Min.Order:0 Metric Ton
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Conditions | Yield |
---|---|
With iodine In pyridine byproducts: NaI, H2; addn. of I2 to Na(BH4) in excess C5H5N, removal of excess C5H5N, extn. of residue with CCl4; evapn.;; | 99% |
With I2 In pyridine byproducts: NaI, H2; addn. of I2 to Na(BH4) in excess C5H5N, removal of excess C5H5N, extn. of residue with CCl4; evapn.;; | 99% |
With ammonium sulfate In tetrahydrofuran for 8h; Reflux; | 99% |
Conditions | Yield |
---|---|
With pyridine In pyridine to NaBH4 in a flask at 10°C is added pyridine, then is slowly added sulfur (2 h); the amine is evapd., to the residue is added benzene, the solvent is after 1 d removed, elem. anal.; | 96% |
Conditions | Yield |
---|---|
In pentane introduction of B2H6 (freshly prepared from (C2H5)2O*BF3 and Na(BH4)) into C5H5N in pentane; removal of solvent;; | 95% |
In pentane introduction of B2H6 (freshly prepared from (C2H5)2O*BF3 and Na(BH4)) into C5H5N in pentane; removal of solvent;; | 95% |
In pyridine introduction of B2H6 into C5H5; ice-cooling, N2 atmosphere; removal of excess C5H5N in vac.;; | >99 |
Conditions | Yield |
---|---|
With hydrogen sulfide In pyridine dry H2S;; | 94% |
With H2S In pyridine dry H2S;; | 94% |
With hydrogen sulfide In pyridine dry H2S;; | 94% |
Conditions | Yield |
---|---|
In pyridine byproducts: (CH2)6N4*BH3; several hours at room temp.;, filtration, removal of excess of C5H5N at 50°C in high vac.;; | 94% |
In pyridine byproducts: (CH2)6N4*BH3; several hours at room temp.;, filtration, removal of excess of C5H5N at 50°C in high vac.;; | 94% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 6h; Reflux; | 94% |
Conditions | Yield |
---|---|
In pyridine byproducts: NaCl; react. in pyridine (exclusion of H2O); filtration, removal of excess C5H5N in vac. at 50°C, pptn. of excess (C5H5NH)Cl by addn. of ether;; 99.8% purity; (purification also by shaking with H2O);; | 87% |
In pyridine byproducts: NaCl; react. in pyridine (exclusion of H2O); filtration, removal of excess C5H5N in vac. at 50°C, pptn. of excess (C5H5NH)Cl by addn. of ether;; 99.8% purity; (purification also by shaking with H2O);; | 87% |
With 18-crown-6 ether In diethyl ether refluxing under Ar for 5 h; cooling, evapn. of solvent, sublimating residue under vac.; | 63% |
pyridine
[(EtH2N)B8H11NHEt]
A
borane pyridine
B
[(C5H5N)B8H11NHEt]
Conditions | Yield |
---|---|
In benzene under N2 atm. pyridine was added to soln. ((EtH2N)B8H11NHEt) in benzene and soln. was heated at reflux for 3 h; volatile components were removed in vacuo, residue was redissolved in CH2Cl2 and chromed.; | A 16% B 61% |
borane pyridine
Conditions | Yield |
---|---|
In neat (no solvent) 25°C, 20min;; | 54% |
In neat (no solvent) 25°C, 20min;; | 54% |
Conditions | Yield |
---|---|
In chloroform for 24h; Time; Inert atmosphere; Reflux; | A n/a B 15% C 53% D 1% E 26% |
sodium tetrahydroborate
borane pyridine
Conditions | Yield |
---|---|
With pyridine; (2,3,7,8,12,13,17,18-octaethylporphyrinato)rhodium(III) chloride In tetrahydrofuran a mixt. of NaBH4, Py and Rh-catalyst in THF was stirred at room temp. under air; ether was added, ppt. filtered, washed with ether, ether ext. and washing were combined, evapd. in vacuo; | <1 |
Conditions | Yield |
---|---|
With aluminium trichloride; aluminium In pyridine High Pressure; 800-900kg/cm*cm;; separation by fractional distn.;; | |
With Al; AlCl3 In pyridine High Pressure; 800-900kg/cm*cm;; separation by fractional distn.;; |
diborane
borane pyridine
Conditions | Yield |
---|---|
With pyridine In neat (no solvent) addn. of diborane to amine at liquid N2 temp., keeping at -111°C, -78°C and 0°C consecutively, stirring at 0°C for 4-6 h (vacuum line); cooling to -78°C, removal of B2H6 by distn.; |
Conditions | Yield |
---|---|
In neat (no solvent) addn. of C5H5N to a 10.45% soln. of HB(OCH3)2 in B(OCH3)3 at -7°C, warming to room temp., stirring for 24h;; filtration, removal of B(OCH3)3 by vac. distn.;; | |
In neat (no solvent) addn. of C5H5N to a 10.45% soln. of HB(OCH3)2 in B(OCH3)3 at -7°C, warming to room temp., stirring for 24h;; filtration, removal of B(OCH3)3 by vac. distn.;; |
Conditions | Yield |
---|---|
With Al In pyridine High Pressure; 200°C, 5000 psi H2 pressure, stirring for 20h, filtration;; distn. in vac.;; | |
With aluminium In pyridine High Pressure; 200°C, 5000 psi H2 pressure, stirring for 20h, filtration;; distn. in vac.;; |
Conditions | Yield |
---|---|
With 2,2'-dihydroxydiphenyl In pyridine under N2, LiBH4 was dissolved in pyridine, the phenol compd. was added; monitored by (11)B NMR; | |
With 3,5-di-tert-butylcatechol In pyridine under N2, LiBH4 was dissolved in pyridine, the phenol compd. was added, 10 h; monitored by (11)B NMR; |
pyridine
sodium tetrahydroborate
boron trifluoride-tetrahydrofuran complex
borane pyridine
Conditions | Yield |
---|---|
In tetrahydrofuran dropwise addn. ofd (CH2)4O*BF3 to a mixture of C5H5N and Na(BH4) in dry THF <40°C, boiling for 3h, filtration, removal of solvent;; washing with H2O, distn. in vac.;; | >90 |
In tetrahydrofuran dropwise addn. ofd (CH2)4O*BF3 to a mixture of C5H5N and Na(BH4) in dry THF <40°C, boiling for 3h, filtration, removal of solvent;; washing with H2O, distn. in vac.;; | >90 |
Conditions | Yield |
---|---|
In further solvent(s) react. in soln., determination of react. enthalpy;; | |
In further solvent(s) react. in soln., determination of react. enthalpy;; |
borane pyridine
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran addn. of borane soln. to amine soln. at 0°C during 1 h, stirring for 1 h (N2); evapn. (vac.), drying (vac., overnight); |
Conditions | Yield |
---|---|
In pyridine 0°C;; | |
In pyridine 0°C;; |
pyridine
hexamethylene tetramine tetraborane
A
borane pyridine
B
hexamethylene tetramine monoborane
Conditions | Yield |
---|---|
In pyridine stirring at room temp. for several hours;; | |
In pyridine stirring at room temp. for several hours;; |
bispyridine cobalt(II) chloride
A
borane pyridine
Conditions | Yield |
---|---|
In tetrahydrofuran 20°C, 48 h; not separated, determined by n.m.r. spect.; |
Conditions | Yield |
---|---|
In pyridine byproducts: B(OH)3; dry N2-atmosphere; refluxing for 4 h (pptn.); collection, washing (cold pyridine); |
Conditions | Yield |
---|---|
In pyridine dry N2-atmosphere; condensing pyridine onto borane *-196°C), slow warming to room temp.; extn. (pentane or benzene or THF); elem. anal.; |
Conditions | Yield |
---|---|
With silica gel In not given passing soln. of borane through silica gel column (room temp.); | |
With air In neat (no solvent) |
lithium tetrahydroborate * 3 pyridine
borane pyridine
Conditions | Yield |
---|---|
In benzene-d6 N2-atmosphere; |
Conditions | Yield |
---|---|
In pyridine under N2, LiBH4 was dissolved in pyridine, the phenol compd. was added, 10 h, reflux for 20 h; monitored by (11)B NMR; some other minor signals were also detected; |
pyridine
sodium tetrahydroborate
ammonia
A
ammonia borane complex
B
borane pyridine
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; under 760.051 Torr; for 2h; Time; Temperature; |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; Cooling with ice; Inert atmosphere; |
borane pyridine
1,3-bis-(2,4,6-trimethylphenyl)-4,6-diketo-5,5-dimethylpyrimidin-2-ylidene
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 1h; Inert atmosphere; Glovebox; | 90% |
Conditions | Yield |
---|---|
With iodine In methanol; dichloromethane to soln. of PhCHCH2 in CH2Cl2 added PyBH3 and I2; then soln. of KHF2 in MeOH added; MS, NMR; | 84% |
potassium hydrogenfluoride
borane pyridine
cyclohexene
cyclohexyltrifluoro-λ4-borane potassium salt
Conditions | Yield |
---|---|
With iodine In methanol; dichloromethane to soln. of CHCHC4H8 in CH2Cl2 added PyBH3 and I2; then soln. of KHF2 inMeOH added; MS, NMR; | 82% |
borane pyridine
Methyl phenyldiazoacetate
Conditions | Yield |
---|---|
With bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} In dichloromethane at 20℃; for 2h; Inert atmosphere; | 79% |
borane pyridine
Conditions | Yield |
---|---|
With rhodium(II) pivalate; lithium tert-butoxide In 1,2-dichloro-ethane at 55℃; for 11h; Inert atmosphere; Schlenk technique; | 75% |
Conditions | Yield |
---|---|
With iodine In methanol; dichloromethane to soln. of C6H5C(CH3)CH2 in CH2Cl2 added PyBH3 and I2; then soln. of KHF2 in MeOH added; MS, NMR; | 61% |
Conditions | Yield |
---|---|
With iodine In methanol; dichloromethane to soln. of C6H5C(C4H8)CH in CH2Cl2 added PyBH3 and I2; then soln. of KHF2 in MeOH added; MS, NMR; | 59% |
borane pyridine
Conditions | Yield |
---|---|
In tetrahydrofuran for 3.25h; Glovebox; Inert atmosphere; | 58.9% |
borane pyridine
Conditions | Yield |
---|---|
In neat (no solvent) decompn. in a glass vessel under Ar at 1000°C;; elem. anal.; X-ray powder diffractogram;; | 57% |
Conditions | Yield |
---|---|
With bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} In dichloromethane for 2h; Inert atmosphere; | 37% |
borane pyridine
Conditions | Yield |
---|---|
With tetrakis(actonitrile)copper(I) hexafluorophosphate In 1,2-dichloro-ethane at 80℃; for 4h; Sealed tube; | 30% |
borane pyridine
2-(dimethyl(oxo)-λ6-sulfaneylidene)-1-phenylethan-1-one
B
acetophenone
Conditions | Yield |
---|---|
With potassium dihydrogenphosphate; bis(1,5-cyclooctadiene)diiridium(I) dichloride In chlorobenzene at 55℃; for 12h; Inert atmosphere; | A 15% B 5 %Spectr. |
morpholine
borane pyridine
Boc-L-Pro-H
(S)-2-morpholin-4-ylmethyl-pyrrolidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Zinc chloride In tetrahydrofuran; methanol; dichloromethane | 3.9 g (87%) |
borane pyridine
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran; ethanol; ethyl acetate |
Conditions | Yield |
---|---|
In diethylene glycol at 100°C;; | |
In diethylene glycol dimethyl ether at 100°C;; |
Conditions | Yield |
---|---|
In benzene | |
In dichloromethane pyridine borane reacted with I2 in dichloromethane; not isolated; detn. by NMR; | |
In benzene |
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