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Cas:4039-32-1
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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
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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
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inquiryCAS RN.: 4039-32-1 EINECS: 223-725-6 Molecular
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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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inquiryStock products, own laboratory Product number 22421 English Name Lithium bis(trimethylsilyl)amide CAS Number 4039-32-1 Purity 98% Molecul
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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
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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
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inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:4039-32-1
Min.Order:10 Gram
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inquiryProduct name: Lithium Hexamethyldisilazide CAS No.:4039-32-1 Molecule Formula:C6H19LiNSi2 Molecule Weight:168.33 Purity: 98.0% Package: 50kg/drum Description:Light yellow or reddish brown liquid Manufacture Standards:Enterprise Standa
Cas:4039-32-1
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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,
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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
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inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Product Name:Lithium bis(trimethylsilyl)amide CAS N
Cas:4039-32-1
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inquiryLithium bis(trimethylsilyl)amide Chemical Properties Melting point 73°C Boiling point 55-56 °C density 0.860 g/mL at 25 °C (lit.) refractive index n20/D 1.425(lit.) Fp 48 °F storage temp. below 5° C solubi
Cas:4039-32-1
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With n-butyllithium In hexane at 20℃; Inert atmosphere; | 99.5% |
With lithium at -20℃; for 16h; Time; Temperature; | 99.5% |
With n-butyllithium In hexane at 20℃; for 24h; Inert atmosphere; Schlenk technique; | 92% |
lithium bis(trimethylsilyl)amide diethyl etherate
lithium hexamethyldisilazane
N,N,N'-tris(trimethylsilyl)phosphenimidous amide
2,2,6,6-tetramethylpiperidinyl-lithium
A
N-trimethylsilylimidophosphenous acid 2,2,6,6-tetramethylpiperidine
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at 40℃; for 3h; | A 4.6 g B n/a |
tetrakis(trimethylsilyl)tetrazene
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
With lithium In diethyl ether at 36℃; for 72h; | 20 % Spectr. |
Lithium-bis(trimethylsilyl)tetrazenid
A
N,N'-bis(trimethylsilyl)hydrazine
B
Dilithium-bis(trimethylsilyl)tetrazenid
C
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In diethyl ether at 70℃; for 8h; | A 0.9 mmol B 1.0 mmol C 0.1 mmol |
Dilithium-bis(trimethylsilyl)tetrazenid
A
N,N'-bis(trimethylsilyl)hydrazine
B
Dilithium N,N'-bis(trimethylsilyl)hydrazide tetramer
C
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In benzene at 120℃; for 40h; | A 0.1 mmol B 1.5 mmol C 0.2 mmol |
Dilithium-bis(trimethylsilyl)tetrazenid
A
Dilithium N,N'-bis(trimethylsilyl)hydrazide tetramer
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In diethyl ether at 120℃; for 15h; | A 0.2 mmol B 1.8 mmol |
Lithium-tris(trimethylsilyl)tetrazenid
A
tris(trimethylsilyl)amine
B
trimethylsilylazide
C
N-lithio-N,N',N'-[tris(trimethylsilyl)]hydrazide
D
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In benzene at 25℃; for 6h; | A 1.5 mmol B 0.3 mmol C 0.2 mmol D 0.3 mmol |
1-bromo-butane
1,1,1,3,3,3-hexamethyl-disilazane
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
With lithium 1) 1 h mixing and 1 h reflux; 2) 30 min reflux; Yield given. Multistep reaction; |
n-butyllithium
1,1,1,3,3,3-hexamethyl-disilazane
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In hexane | |
With tetramethylsilane In tetrahydrofuran; hexane at -73℃; for 0.0333333h; | 100 % Spectr. |
In tetrahydrofuran; hexane at -78℃; for 1h; | |
In tetrahydrofuran at -78 - 20℃; for 1h; Product distribution / selectivity; |
9H-fluoren-9-yllithium
1,1,1,3,3,3-hexamethyl-disilazane
A
9H-fluorene
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 27℃; Equilibrium constant; |
<(pyridin-2-yl)phenylmethyl>lithium
1,1,1,3,3,3-hexamethyl-disilazane
A
2-Benzylpyridine
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 27℃; Equilibrium constant; |
<(pyridin-4-yl)phenylmethyl>lithium
1,1,1,3,3,3-hexamethyl-disilazane
A
4-benzyl pyridine
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 27℃; Equilibrium constant; |
1,1,1,3,3,3-hexamethyl-disilazane
(1aR,2R,7aR)-2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; Thermodynamic data; ΔH; |
1,1,1,3,3,3-hexamethyl-disilazane
(1aR,7R,7aR)-7-Hydroxy-1a,7,7a-trimethyl-7,7a-dihydro-1aH-1-oxa-cyclopropa[b]naphthalen-2-one
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; Thermodynamic data; ΔH; |
C10H8LiN
1,1,1,3,3,3-hexamethyl-disilazane
A
C6H4NCH2CHCCH2
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 27℃; Equilibrium constant; |
Dilithium N,N'-bis(trimethylsilyl)hydrazide tetramer
A
N,N'-bis(trimethylsilyl)hydrazine
B
tetrakis(trimethylsilyl)hydrazine
C
tris(trimethylsilyl)hydrazine
D
1,1,1,3,3,3-hexamethyl-disilazane
E
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
With tin(ll) chloride In diethyl ether for 48h; Product distribution; Ambient temperature; var.: reagent; |
A
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; Equilibrium constant; |
A
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; Equilibrium constant; |
2-(1,3-isoindolinedion-2-yl)-5-(2-methylpropionyl)indane
bromoacetic acid methyl ester
1,1,1,3,3,3-hexamethyl-disilazane
A
2-(1,3-isoindolinedion-2-yl)-5-(2,2-dimethyl-3-methoxycarbonyl-propionyl)indane
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
With n-butyllithium; ammonium chloride In tetrahydrofuran; hexane |
3-(trimethylsilyl)prop-2-yn-1-al
1,1,1,3,3,3-hexamethyl-disilazane
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran |
Conditions | Yield |
---|---|
In tetrahydrofuran conducted under dry N2 atmosphere; equilibrium at -24°C;; monitored by (31)P-NMR-spectroscopy;; | A >99 B n/a |
Conditions | Yield |
---|---|
In not given conducted under dry N2 atmosphere; complete transformation at -24°C after 2 d;; monitored by (31)P-NMR-spectroscopy;; | A >99 B n/a |
chlorobis(trimethylsilyl)methane
lithium
lithium bis(trimethylsilyl)amide diethyl etherate
A
bis[bis(trimethylsilyl)methyl]germanium(II) dimer
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In diethyl ether byproducts: LiCl; dry Ar-atmosphere; dropwise addn. of Li-reagent (prepd. from (Me3Si)2CH2Cl and Li-powder by refluxing for 24 h and filtration off of LiCl) to soln. of equimolar amt. of Ge-amide (prepd. from GeCl2 and Li-amide) at 0°C; removal of volatiles (0°C, 0.01 Torr), extn. into hexane, repeated crystn.; product mixt. not sepd.; |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran 2: tetrahydrofuran View Scheme |
1,1,1,3,3,3-hexamethyl-disilazane
A
2,3-benzofluorene
B
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran Equilibrium constant; Concentration; |
n-butyllithium
hexamethyldisilazan
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane; hexane |
trans-but-2-enyl chloride
lithium hexamethyldisilazane
2-((E)-But-2-enyl)-1,1,1,3,3,3-hexamethyl-disilazane
Conditions | Yield |
---|---|
With silver(I) iodide In tetrahydrofuran for 1.5h; Heating; | 100% |
2-Chlor-4,4,5,5-tetrakis(trifluormethyl)-1,3,2λ3-dioxaphospholan
lithium hexamethyldisilazane
2-Bis(trimethylsilyl)amino-4,4,5,5-tetrakis(trifluormethyl)-1,3,2λ3-dioxaphospholan
Conditions | Yield |
---|---|
at 25℃; for 24h; | 100% |
m-iodobenzaldehyde
lithium hexamethyldisilazane
[1-(3-Iodo-phenyl)-meth-(E)-ylidene]-trimethylsilanyl-amine
Conditions | Yield |
---|---|
In tetrahydrofuran Substitution; | 100% |
lithium hexamethyldisilazane
(3aS,4S,6S,7aR)-2-[(1S)-1-chloro-3-methylbutyl]-3a,5,5-trimethylhexahydro-4,6-methano-1,3,2-benzodioxaborole
1,1,1-trimethyl-N-{(1R)-3-methyl-1-[(3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methano-1,3,2-benzodioxaborol-2-yl]butyl}-N-(trimethylsilyl)silanamine
Conditions | Yield |
---|---|
In tetrahydrofuran at -78 - 20℃; | 100% |
In tetrahydrofuran at -78 - 20℃; | 100% |
In tetrahydrofuran at -40℃; for 1h; Inert atmosphere; | 97.7% |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran-d8 at -78℃; | 100% |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at -78 - 20℃; | 100% |
In tetrahydrofuran at -78 - 20℃; Inert atmosphere; |
Conditions | Yield |
---|---|
In toluene at 0 - 20℃; for 12h; | 100% |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at -40 - 20℃; for 2h; Inert atmosphere; | 100% |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at -40 - 20℃; for 2h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With potassium graphite In tetrahydrofuran; toluene at 20℃; | 100% |
2-bromo-3-methylphenol
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
Stage #1: 2-bromo-3-methylphenol; lithium hexamethyldisilazane In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; | 100% |
bis(1,5-cyclooctadiene)diiridium(I) dichloride
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; Inert atmosphere; Schlenk technique; | 100% |
2-hydroxy-2-methylpropanenitrile
lithium hexamethyldisilazane
lithium cyanide
Conditions | Yield |
---|---|
In tetrahydrofuran addn. of lithium compd. to a soln. of cyanohydrin in THF at 0°C, stirring for 30 min; evapn.; | 99% |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
With tetrahydrofuran In tetrahydrofuran stirring under Ar, room temp., 2h; evapn.; elem. anal.; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: LiCl; under dry Ar or N2, Li-compd. in THF was added to THF soln. of InCl at -78 °C, warming to 25 °C; LiCl was filtered off, volatiles were removed in vac.; | 99% |
[(η5-pentamethylcyclopentadienyl)Ta(N-tert-butyl)(CH3)Cl]
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In benzene-d6 byproducts: LiCl; C6D6 added in NMR tube to solid mixture under Ar, at 90°C for 24 h; not isolated, identified by NMR; | 99% |
Salen((t)Bu)AlCl
lithium hexamethyldisilazane
(((CH3)3Si)2N)Al((CH2NCHC6H2(C(CH3)3)2O)2)
Conditions | Yield |
---|---|
In toluene stirring (35°C, 48 h); filtering, evapn. (reduced pressure); elem. anal.; | 99% |
TaCl2(dimethylamide)3
lithium hexamethyldisilazane
((CH3)2N)3TaCl(N(Si(CH3)3)2)
Conditions | Yield |
---|---|
In pentane byproducts: LiCl; under N2 atm. (Me2N)3TaCl2 was mixed with LiN(SiMe3)2 (1 : 1) and pentane was added at -50°C, react. mixt, was allowed to warm to room temp. and stirred overnight; soln. was filtered, volatiles were removed in vacuo; elem. anal.; | 99% |
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In tetrahydrofuran addn. of LiN(TMS)2 in THF to a soln. diborabiphenyl derivative in THF atroom temp. under stiring, stirring for 1 h at room temp.; removal of volatiles under vac.,; | 99% |
3-(1,3-benzoxazol-2-yl)naphthalen-2-ol
lithium hexamethyldisilazane
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane at 70℃; for 4h; | 99% |
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