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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 ch
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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
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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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inquiryLithium diisopropylamide Basic information Product Name: Lithium diisopropylamide Synonyms: 2-Propanamine,N-(1-methylethyl)-,lithiumsalt;n-(1-methylethyl)-2-propanaminlithiumsalt;LIT
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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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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:4111-54-0
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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 email in time p
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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
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inquiryLithium diisopropylamide CAS:4111-54-0 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 i
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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
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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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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
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inquirySuperior quality Appearance:dark yellow to orange or dark red-brown solution 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. Application:Diisopropyl amino lit
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inquiryProduct name: Lithium Diisopropylamide CAS No.:4111-54-0 Molecule Formula:C6H15LiN Molecule Weight:108.13 Purity: 98.0% Package: 50kg/drum Description:Yellow or reddish brown liquid Manufacture Standards:Enterprise Standard
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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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GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Lithium diisopropylamide Chemical Properties Melting point decomposes [MER06] Boiling point 65 °C density 0.864 g/mL at 25 °C (lit.) vapor density >1 (vs air) Fp 91 °F storage temp. 2-8°C form liquid col
Cas:4111-54-0
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inquiryConditions | Yield |
---|---|
With styrene; lithium In tetrahydrofuran at -5 - 35℃; Solvent; Inert atmosphere; | 97.6% |
With styrene; lithium In diethyl ether for 2h; Heating; | 95% |
With n-butyllithium In pentane at 0 - 20℃; for 1.33333h; | 71% |
picoline
diethyl ether
4-fluoro-N-methoxy-N-methylbenzamide
A
2-(4-Cyanophenyl)-4-(4-fluorophenyl)-1-N-hydroxy-5-(4-pyridyl)imidazole
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In diisopropylamine | A 72% B n/a |
With n-butyllithium In diisopropylamine | A 72% B n/a |
2-pyridylmethyllithium
diisopropylamine
A
α-picoline
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 27℃; Equilibrium constant; |
Conditions | Yield |
---|---|
With tetramethylsilane In tetrahydrofuran; hexane at -73℃; for 0.0333333h; | 100 % Spectr. |
In tetrahydrofuran; hexane at -78℃; for 0.25h; | |
In tetrahydrofuran; hexane |
N,N,N,N,-tetramethylethylenediamine
diisopropylamine
lithium diisopropyl amide
Conditions | Yield |
---|---|
With n-butyllithium In hexane at 0℃; |
2,2,6,6-tetramethylpiperidinyl-lithium
diisopropylamine
A
2,2,6,6-tetramethyl-piperidine
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at -47℃; Thermodynamic data; Rate constant; ΔG(excit.); | |
In tetrahydrofuran at -47℃; Thermodynamic data; Equilibrium constant; Rate constant; ΔG(excit.); |
diphenylmethyllithium
diisopropylamine
A
Diphenylmethane
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; Equilibrium constant; |
C5H7Li
diisopropylamine
A
lithium diisopropyl amide
B
isoprene
Conditions | Yield |
---|---|
In tetrahydrofuran at -70℃; Equilibrium constant; |
Li(cis-2,6-dimethylpiperidine(-1H))
diisopropylamine
A
(2R,6S)-2,6-dimethylpiperidine
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at -65℃; Thermodynamic data; Rate constant; ΔG(excit.); | |
In tetrahydrofuran at -65℃; Thermodynamic data; Equilibrium constant; Rate constant; ΔG(excit.); |
(4,4'-Dimethyldiphenylmethyl)lithium
diisopropylamine
A
4,4'-dimethyldiphenylmethane
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; Equilibrium constant; |
C21H27Li
diisopropylamine
A
1,1-bis(4-t-butylphenyl)methane
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at 30℃; Equilibrium constant; |
LACTIC ACID
lithium diisopropyl amide
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran |
n-butyllithium
N-ethyl-N,N-diisopropylamine
lithium diisopropyl amide
Conditions | Yield |
---|---|
In hexane | |
In tetrahydrofuran; hexane at -78 - 0℃; for 0.333333 - 0.566667h; Product distribution / selectivity; | |
In tetrahydrofuran at -70 - -5℃; |
Conditions | Yield |
---|---|
In hexane at 0℃; | |
In tetrahydrofuran; hexane at 0℃; for 0.166667h; Product distribution / selectivity; | |
In tetrahydrofuran; hexanes at 0℃; Product distribution / selectivity; |
1-Bromo-2,4-dimethoxybenzene
diethyl malonate
lithium diisopropyl amide
Conditions | Yield |
---|---|
With n-butyllithium; NaH; nitrogen In tetrahydrofuran |
pyridin-3-yl-acetic acid ethyl ester
A
bromo-pyridin-3-yl-acetic acid ethyl ester
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran |
pyridin-3-yl-acetic acid ethyl ester
A
bromo-pyridin-3-yl-acetic acid ethyl ester
B
lithium diisopropyl amide
Conditions | Yield |
---|---|
With n-butyllithium; chloro-trimethyl-silane; diisopropylamine In tetrahydrofuran |
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane |
Conditions | Yield |
---|---|
In tetrahydrofuran |
2-(2,4,6-tri-tert-butylphenyl)phosphaacetylene
lithium diisopropyl amide
methyl iodide
1-diisopropylamino-3-methyl-1,3-diphosphacyclobutane-2,4-diyl
Conditions | Yield |
---|---|
Stage #1: 2-(2,4,6-tri-tert-butylphenyl)phosphaacetylene; lithium diisopropyl amide In tetrahydrofuran at -78 - 20℃; for 1.25h; Stage #2: methyl iodide In tetrahydrofuran | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane N2-atmosphere; stirring (room temp., 80 h), evapn.; extg. (hexane), filtering, evapn. (vac.); | 100% |
1--1-cyclopentanol
lithium diisopropyl amide
A
benzenesulfinic acid diisopropylamide
B
2-Chlorocyclohexanone
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 2h; | A 99% B 30% |
Conditions | Yield |
---|---|
Stage #1: malononitrile; lithium diisopropyl amide In tetrahydrofuran; hexane at 0℃; for 0.5h; Stage #2: (Z)-N-(3-(dimethylamino)-2-(trifluoromethyl)allylidene)-N-methylmethanaminium chloride salt In tetrahydrofuran; hexane at 20℃; for 3h; | 99% |
1-Iodoheptane
trimethylstannane
lithium diisopropyl amide
A
n-heptane
B
hexamethyldistannane
C
diisopropyl(trimethylstannyl)amine
Conditions | Yield |
---|---|
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (1.0 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC; | A 99% B 0% C n/a |
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.8 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC; | A 98% B 0% C n/a |
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.6 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC; | A 94% B 0% C n/a |
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.4 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC; | A 84% B 0% C n/a |
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.2 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC; | A 74% B 0% C n/a |
1,1,5,5-tetra(tert-butyl)-hexamethyl-1,5-distanna-2,3,4-trisilapentane
lithium diisopropyl amide
1,5-dilithio-1,1,5,5-tetra(tert-butyl)-hexamethyl-1,5-distanna-2,3,4-trisilapentane
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane byproducts: HN(Pr-i)2; 2 equiv. of Li-amide compd. in 1:1 THF was added dropwise to a cooled (0°C) soln. (THF-hexane(1:1)) of Sn-compd., stirring for 1 h at th is temp.; temp. may be varied between -30 and 0 °C, under Ar or N2; detected by NMR; | 99% |
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran addn. of LDA in THF to a soln. diborabiphenyl derivative in THF at room temp. under stiring, stirring for 1 h at room temp.; removal of volatiles under vac.,; | 99% |
trimethylstannane
lithium diisopropyl amide
A
hydrogen
B
hexamethyldistannane
Conditions | Yield |
---|---|
With O In cyclohexane byproducts: i-Pr2NH; LDA (1.88 mmol) in C6H12 placed in Schlenk tube at 0°C under Ar, TMTH (3.76 mmol) added, stirred for 30 min, hydrolysis; Sn2Me6 detected by GC; | A 98% B 93% |
In diethyl ether; cyclohexane byproducts: i-Pr2NH; TMTH in Et2O cooled to 0°C under Ar, LDA in cyclohexane (1.6 M) added via syringe, stirred for 60 min at room temp., hydrolysis; | A 95% B 90% |
In diethyl ether byproducts: i-Pr2NH; LDA (1.88 mmol) in C6H12 placed in Schlenk tube at 0°C under Ar, TMTH (3.76 mmol) added, stirred for 30 min, hydrolysis; Sn2Me6 detected by GC; | A 93% B 83% |
10-dicyclohexylsulfamoyl-D-isobornyl (E)-7-bromohept-2-enoate
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at -72 - -68℃; for 1.83333h; | 97% |
trimethylstannane
6-Bromo-1-hexene
lithium diisopropyl amide
A
1-hexene
B
methyl-cyclopentane
C
hexamethyldistannane
Conditions | Yield |
---|---|
In diethyl ether; cyclohexane to 6-bromo-1-hexene (1.04 mmol) and 2 equiv. of Me3SnH in Et2O at 0°C added LDA (1.04 mmol, in cyclohexane) under Ar, react. time 20 min, quenched with water; analyzed by GLPC; | A 77% B 16% C 97% |
In diethyl ether; cyclohexane to 6-bromo-1-hexene (1.04 mmol) and 1 equiv. of Me3SnH in Et2O at 0°C added LDA (1.04 mmol, in cyclohexane) under Ar, react. time 20 min, quenched with water; analyzed by GLPC; | A 41% B 18% C 86% |
In hexane; cyclohexane to 6-bromo-1-hexene (1.04 mmol) and 2 equiv. of Me3SnH in hexane at 0°C added LDA (1.04 mmol, in cyclohexane) under Ar, react. time 20 min, quenched with water; analyzed by GLPC; | A 76% B 18% C 27% |
In hexane; cyclohexane to 6-bromo-1-hexene (1.04 mmol) and 1 equiv. of Me3SnH in hexane at 0°C added LDA (1.04 mmol, in cyclohexane) under Ar, react. time 20 min, quenched with water; analyzed by GLPC; | A 45% B 32% C 48% |
1-bromo-octane
tri-n-butyl-tin hydride
lithium diisopropyl amide
A
octane
B
bis(tri-n-butyltin)
Conditions | Yield |
---|---|
In hexane; cyclohexane to 1-bromooctane (1 mmol) and Bu3SnH (1 mmol) in hexane at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 97% B 0% |
Conditions | Yield |
---|---|
In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Schlenk technique; | 97% |
bis(1-methyl-1H-imidazol-3-yl)dihydroboronium iodide
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran at -78 - 20℃; | 96% |
lithium diisopropyl amide
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at 2 - 78℃; for 0.333333h; Inert atmosphere; Schlenk technique; | 96% |
pentafluoropropionitrile
O,O-diethyl benzylphosphonate
lithium diisopropyl amide
Conditions | Yield |
---|---|
Stage #1: O,O-diethyl benzylphosphonate; lithium diisopropyl amide In tetrahydrofuran at 0℃; for 1h; Stage #2: pentafluoropropionitrile In tetrahydrofuran at 20℃; for 15h; | 95% |
1-bromo-octane
trimethylstannane
lithium diisopropyl amide
A
octane
B
hexamethyldistannane
Conditions | Yield |
---|---|
In diethyl ether; cyclohexane to 1-bromooctane (1 mmol) and TMTH (1 mmol) in Et2O at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 54% B 95% |
With p-benzoquinone In hexane; cyclohexane to 1-bromooctane (1 mmol), TMTH (1 mmol), and benzoquinone (10 mol%) in hexane at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 91% B 5% |
With meta-dinitrobenzene; p-benzoquinone In hexane; cyclohexane to 1-bromooctane (1 mmol), TMTH (1 mmol), benzoquinone (10 mol%), and m-dinitrobenzene (5 mol%) in hexane at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 83% B 2% |
In hexane; cyclohexane to 1-bromooctane (1 mmol) and TMTH (1 mmol) in hexane at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 70% B 50% |
N,N-dimethyl acetamide
chlorotrimethylgermane
lithium diisopropyl amide
N,N-dimethyl(trimethylgermyl)acetamide
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane (Ar or N2); dropwise addn. of N,N-dimethylacetamide to a soln. of LDA at -78 °C; after 1 h stirring dropwise addn. of GeCl(CH3)3 and addnl. stirring for 2 h at the same temp.; quenching (satd. aq. NH4Cl); extn. (benzene); drying (MgSO4) of the organic layer; concn.; distn.; | 95% |
ethylzinc chloride
lithium diisopropyl amide
N-(ethylzinc) diisopropylamine
Conditions | Yield |
---|---|
In diethyl ether byproducts: LiCl; ether soln. of EtZnCl was added to a suspn. of i-Pr2NLi in ether over 2 min under N2, stirred for 15 min; filtered, evapd., residue was dissolved in pentane, filtered, evapd; elem. anal.; | 95% |
N,N-diethyl-1-amino-1,2-dihydro-1-boratanaphthalene
N,N-diethyl-1-amino-1,4-dihydro-1-boratanaphthalene
lithium diisopropyl amide
Conditions | Yield |
---|---|
In diethyl ether N2-atmosphere; addn. of LDA (1.1 equiv.) to mixt. of boratanaphthalenes at -78°C, stirring (2 h at -78°C, 10 h at 25°C); evapn., washing (pentane), drying; | 95% |
chloro-trimethyl-silane
3',5'-difluoro-[1,1'-biphenyl]-4-carbonitrile
lithium diisopropyl amide
C22H29F2NOSi
Conditions | Yield |
---|---|
at -68℃; Inert atmosphere; | 95% |
lithium diisopropyl amide
Conditions | Yield |
---|---|
With dinitrogen monoxide In tetrahydrofuran for 4h; | 95% |
With dinitrogen monoxide In tetrahydrofuran at 20℃; under 760.051 Torr; for 3h; |
4,4,5,5-tetramethyl-2-[(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl]-1,3,2-dioxaborolane
lithium diisopropyl amide
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane at -25 - 20℃; for 1.33333h; Inert atmosphere; Glovebox; | 95% |
1-Iodoheptane
trimethylstannane
lithium diisopropyl amide
A
n-heptane
B
hexamethyldistannane
Conditions | Yield |
---|---|
In hexane; cyclohexane to 1-iodoheptane (1 mmol) and TMTH (1 mmol) in hexane at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 94% B 0% |
In diethyl ether; cyclohexane to 1-iodoheptane (1 mmol) and TMTH (1 mmol) in Et2O at 0°C added LDA (1 mmol, in cyclohexane) under Ar, stirred for 20 min, quenched; analyzed by GLPC; | A 78% B 26% |
tri-n-butyl-tin hydride
lithium diisopropyl amide
A
hydrogen
B
bis(tri-n-butyltin)
Conditions | Yield |
---|---|
In diethyl ether; cyclohexane byproducts: i-Pr2NH; Bu3SnH in Et2O cooled to 0°C under Ar, LDA in cyclohexane (1.6 M) added via syringe, stirred for 60 min at room temp., hydrolysis; | A 90% B 94% |
acetylferrocene
diethyl chlorophosphate
lithium diisopropyl amide
ferroceneacetylene
Conditions | Yield |
---|---|
With water In tetrahydrofuran inert atmosphere; addn. of LDA in THF at -78°C to soln. of Fe-complex; reaction for 1 h; addn. of phosphate; reaction for 1 h; mixt. raised to room temp.; addn. of LDA in THF at -78°C; warmed to room temp.; hydrolysis at 0°C;; extn. of organic layer with CH2Cl2; dried over MgSO4; evapn.; purifn. of oil by flash chromy. (pentane-ether 2:1); crystn. of first yellow fraction (0°C, pentane); elem. anal.; | 94% |
(CO)4WCC6H4CH3(NHCH2CHCH2)
lithium diisopropyl amide
cis-tetracarbonyl[((Z)-η2-N-allyl-N-methylamino)(p-tolyl)carbene]tungsten(0)
Conditions | Yield |
---|---|
With CH3I In tetrahydrofuran a soln. of lithium diisopropylamide in THF was added to soln. of W-complex in THF at -72°C, soln. was warmed to room temp., cooled back to -72°C and CH3I was added, soln. was warmed to room temp. underN2; preparative TLC (silica gel, CH2Cl2-hexane) gave solid ppt.; | 94% |
bis(triphenylphosphine)iminium chloride
lithium diisopropyl amide
(Ph3P)2N[(CO)4Re(η2-C(=CH2)C(CO2Me)C(OEt))]
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane (Ar); addn. of a soln. of lithium compd. in hexane to a soln. of rheniumcomplex in THF at -78°C, stirring for 1 h at -78°C, addn. of PPNCl, stirring and warming to room temp.; filtration, concn., addn. of hexane, cooling to 0°C, sepn., washing ppt. with hexane, drying for 24 h in vac.; | 94% |
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