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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Min.Order:1 Kilogram
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Type:Lab/Research institutions
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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 emai
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inquiryProduct Name: TRI-TERT-BUTYL BORATE Synonyms: Tri(1,1-dimethylethoxy)borane;Tri-tert-butyl borate,98%;Tri-tert-butyl borate,Boron tert-butoxide, Tri-tert-butoxyborane;Tri-tert-butyl borate 98%;Boric acid,tris(1,1-dimethylethyl) ester;boricac
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Boric acid,tris(1,1-dimethylethyl) ester cas 7397-43-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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Conditions | Yield |
---|---|
With pyridine; chloroform; boron trichloride | |
With pyridine; boron trichloride; pentane | |
With sodium borate; acetic acid anschliessendes Erhitzen; | |
With boric acid; benzene unter Abdestillieren des Wassers; | |
With boric acid; benzene unter Abdestillieren des Wassers; |
Conditions | Yield |
---|---|
With calcium hydride In neat (no solvent) byproducts: H2; react. under N2, slow addn. of the alcohol via syringe to B(OH)3 (ratio 3:1) and CaH2, cooling in a water bath, slow heating to 80-90°C for 24 h after abating the H2 gas evolution; distn. of the volatile products under reduced pressure (distn. pot temp. <= 120°C); | 60% |
In not given azeotropic distn. (reflux); distn., elem. anal.; |
Conditions | Yield |
---|---|
With benzene |
Conditions | Yield |
---|---|
With sodium unter Abdestillieren des Aethanols; |
Conditions | Yield |
---|---|
In pentane byproducts: H2; (Ar (N2) or vac.); dropwise addn. of excess of t-C4H9OH to Hf-complex in pentane with stirring (50 min, room temp.); concn., filtration, drying (vac.); elem. anal.; | A n/a B 85% |
Conditions | Yield |
---|---|
In pentane byproducts: H2; (Ar (N2) or vac.); dropwise addn. of excess of t-C4H9OH to Zr-complex in pentane with stirring (50 min, room temp.); concn., sepn. by filtration, a) drying (vac.), b) distn. of filtrate (vac.); elem. anal.; | A 55% B 71% |
Conditions | Yield |
---|---|
unter Entfernen des entstehenden Methanols; |
dimethylsulfide borane complex
tert-butyl alcohol
tri-(tert-butyl)borate
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: H2, S(CH3)2; react. in a round-bottom flask under N2, addn. of the alcohol to the borane complex at room temp. (stirred), refluxed (according to Brown, Krishnamurthy, J.Org.Chem. 1978, 43, 2731; with a slight modification); distn. from a small piece of K metal; |
Bis(diethylamino)(trimethylstannyl)boran
tert-butyl alcohol
A
tri-(tert-butyl)borate
B
tris(diethylamino)borane
C
trimethylstannane
Conditions | Yield |
---|---|
equimolar amt. of educt, t-BuOH dropped to B(NEt2)2Sn(CH3)3 at -30°C, stirred; | A n/a B 90% C 96% |
Conditions | Yield |
---|---|
In neat (no solvent) molar ratio alcohol:borane=3:1;; | >90 |
Conditions | Yield |
---|---|
In neat (no solvent) molar ratio alcohol:borane=3:1;; | >90 |
2-(dimethyl sulfide)-4,5-[1,2-dicarba-closo-dodecaborano(12)]-1,3-diselena-2-boracyclopentane
tert-butyl alcohol
A
tri-(tert-butyl)borate
B
1,2-di(hydroseleno)-1,2-dicarba-closo-dodecaborane(12)
Conditions | Yield |
---|---|
In (2)H8-toluene (inert atm.); addn. of tert-butanol to suspn. of Se compd. in toluene-d8at -30°C, heating to 40°C for 30 min; evapn. in vac.; |
lithium tert-butoxide
B
tri-(tert-butyl)borate
E
di-tert-butoxy-borane
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: THF; under N2, THF soln. of 1 equiv. of LiOBut in THF was added to 0.064 M soln. of BH3*THF in THF at -78 °C, warming to room temp.; the same result was obtained with mixing at room temp.; monitored by (11)B NMR; LiBH2(OBut)2 and LiB(OBut)4 were not formed; | A n/a B n/a C n/a D n/a E 0% |
phthalatohydroborane-tetrahydrofurane adduct
hexane
sodium t-butanolate
D
tri-(tert-butyl)borate
E
di-tert-butoxy-borane
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: Na-phthalate; under N2, B-compd. in THF was added to THF soln. of Na-compd., solvent was removed, extd. with hexane and Et2O; using 3 equiv. of solid alkali-compd. gave reproducible result; monitored by (11)B NMR; hexane phase was crystd. for 2 weeks at -80 °C which lead to the solvated compd., Et2O contained NaB(OtBu)4, the hexane phase contained HB(OtBu)2 and B(OtBu)3; |
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