CAS No.121-43-7,Trimethyl borate Suppliers,MSDS download

Dayang Chem (Hangzhou) Co.,Ltd.

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Trimethyl borate

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Simagchem Corporation

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Aecochem Corp.

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Xiamen AmoyChem Co.,Ltd

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Hangzhou Dingyan Chem Co., Ltd

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Hefei TNJ chemical industry co.,ltd

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Henan Allgreen Chemical Co.,Ltd

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EAST CHEMSOURCES LIMITED

Trimethyl borate Product Name: Trimethyl borate Molecular Weight: 103.91 CAS NO: 121-43-7 EC NO: 204-468-9 Molecular Formula: C3H9BO3

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Ality Chemical Corporation

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Chemwill Asia Co., Ltd.

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Henan Tianfu Chemical Co., Ltd.

Trimethyl borate Basic information Product Name: Trimethyl borate Synonyms: METHYL BORATE;METHYL BORATE-11B;BORON TRIMETHOXIDE;BORIC ACID TRIMETHYL ESTER;BORON METHOXIDE;TRIMETHOXYBORANE

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Henan Sinotech Import&Export Corporation

CAS NO:121-43-7 Appearance:Colorless Liquid Storagr:Keep in a cool and dry place Usage:Use for parmaceutical intermediates or chemical reaserch Appearance: Colorless Transparent Liquid Storage:Store in cool and dry place, away from sun light.

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Hubei Langyou International Trading Co., Ltd

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Changchun Artel lmport and Export trade company

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Triumph International Development Limilted

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Hangzhou Keyingchem Co.,Ltd

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Hangzhou J&H Chemical Co., Ltd.

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Shanghai Massive Chemical Technology Co., Ltd.

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HANGZHOU YUNUO CHEMICAL CO.,LTD

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Siwei Development Group Ltd.

Product name: Trimethyl Borate CAS No.：121-43-7 Molecule Formula：C3H9BO3 Molecule Weight：103.91 Purity: 99.0% Package: 180kg/drum Description：Clear colorless liquid Manufacture Standards：Enterprise Standard TESTING

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Zibo Dorne chemical technology co. LTD

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Henan Wentao Chemical Product Co., Ltd.

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Hangzhou Zhongqi chem Co.,Ltd.

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Nanjing Yuance Industry&Trade Co., Ltd.

Product NameTrimethyl 1,3,5-benzenetricarboxylate CAS 2672-58-4 MF C12H12O6 MW 252.22 EINECS 220-215-5 Product NameTrimethyl …

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Kono Chem Co.,Ltd

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Wuhan Fortuna Chemical Co.,Ltd

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Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

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Antimex Chemical Limied

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Hunan Russell Chemicals Technology Co.,Ltd

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Synthetic route

: 446822-71-5
(borane)diphenylphosphinomethanethiol acetate

: 67-56-1
methanol

A: 121-43-7
Trimethyl borate

B: 324753-11-9
thioacetic acid S-[(diphenylphosphanyl)methyl] ester

Conditions

Conditions	Yield
In toluene at 100℃; Inert atmosphere;	A n/a B 100%

...Expand

: 67-56-1
methanol

: 1186392-98-2
diphenyl(2-pyridyl)phosphane(P-B)borane(1:1)

A: 121-43-7
Trimethyl borate

B: 37943-90-1
2-(diphenylphosphino)pyridine

Conditions

Conditions	Yield
at 120℃; Inert atmosphere; Microwave irradiation;	A n/a B 100%

...Expand

: 67-56-1
methanol

: 24442-15-7
methylenebis(diphenylphosphane)-borane(1:2)

A: 121-43-7
Trimethyl borate

B: 2071-20-7
bis-diphenylphosphinomethane

Conditions

Conditions	Yield
In toluene at 100℃; Inert atmosphere;	A n/a B 100%

...Expand

: 155402-41-8
dimethoxyboryl trimethylsilyl ketene

A: 2916-76-9
methyl (trimethylsilyl)acetate

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With methanol In diethyl ether for 0.5h;	A 77% B 99%
With methanol In diethyl ether methanol in abs. ether added to a soln. of the ketene, warmed up, further methanol added, stirred for 30 min; distd.;	A 77% B 90%

: zirconium(IV) borohydride

A: 121-43-7
Trimethyl borate

B: zirconium tetramethoxide

Conditions

Conditions	Yield
With CH3OH In pentane byproducts: H2; (Ar (N2) or vac.); dropwise addn. of excess of MeOH to Zr-complex in pentane with stirring (60 min, room temp.), stirring (1 h), standing (12-17 h); volatiles and solvent distn. (vac.); elem. anal.;	A n/a B 99%

: 67-56-1
methanol

: 2049-55-0
triphenylphosphine borane

A: 121-43-7
Trimethyl borate

B: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
at 120℃; Inert atmosphere; Microwave irradiation;	A n/a B 99%

...Expand

: 67-56-1
methanol

: 100809-49-2
(propane-1,3-diyl)bis(diphenylphosphane)-borane(1:2)

A: 121-43-7
Trimethyl borate

B: 6737-42-4
1,3-bis-(diphenylphosphino)propane

Conditions

Conditions	Yield
In toluene at 100℃; Inert atmosphere;	A n/a B 98%

...Expand

: 124-38-9
carbon dioxide

: 13292-87-0
dimethylsulfide borane complex

A: boron trioxide

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With 1,3,5-Tri-tert-butylbenzene; bis-(phosphoranyl)methanido aluminum hydride In benzene-d6 at 110℃; for 1h; Solvent; Schlenk technique;	A n/a B 97.6%

...Expand

: 67-56-1
methanol

: C12H27BCl2O2Si

A: 121-43-7
Trimethyl borate

B: 103202-59-1
6-(tert-butyldimethylsilyl)oxyhexan-1-ol

Conditions

Conditions	Yield
methanolysis;	A n/a B 97%

...Expand

: 67-56-1
methanol

: 1186392-99-3
(2-biphenyl)dicyclohexylphosphane-borane(1:1)

A: 121-43-7
Trimethyl borate

B: 247940-06-3
CyJohnPhos

Conditions

Conditions	Yield
In toluene at 100℃; Inert atmosphere;	A n/a B 97%

...Expand

: 15277-97-1
1-aza-4,6,11-trioxa-5-boratricyclo[3.3.3.0(1,5)]undecane

: 2996-92-1
phenyl trimethylsiloxane

A: 121-43-7
Trimethyl borate

B: 1-phenyl-2,8,9-trioxa-5-aza-1-silatricyclo<3.3.3.01.5>undecane(phenylsilatrane)

Conditions

Conditions	Yield
With aluminum (III) chloride In 5,5-dimethyl-1,3-cyclohexadiene for 12h; Reflux;	A n/a B 97%

...Expand

: 67-56-1
methanol

: 11113-50-1
boric acid

: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 129 - 130℃; under 750.075 Torr;	96%
In methanol byproducts: H2O; removal of product by azeotropic distn.;; separation of azeotrope by distn. through Raschig-rings (coated with H2SO4), purity of product:99.6%;;	96.5%
In methanol byproducts: H2O; removal of product by azeotropic distn.;; separation of azeotrope by treatment with LiCl (reuse of upper layer), purity of product:99.6%;;	96%

: 868-81-5
chlorodimethoxyborane

: 74348-94-0
<β-Methyl-allyl>-triethyl-zinn

A: 121-43-7
Trimethyl borate

B: 54857-24-8
methallyl-dimethoxyborane

C: 74349-03-4
dimethallylmethoxyborane

D: 994-31-0
chlorotriethylstannane

Conditions

Conditions	Yield
In dichloromethane (N2); into soln. of B compd. was dropped soln. of Sn compd. within 20 min at -10°C; mixt. was sepd. by fractionated distn. in vac., yielding mixt. of B compds. and sepd. Et3SnCl;	A n/a B n/a C n/a D 92%

...Expand

: 67-56-1
methanol

: 1341221-68-8
(1S,6R)-diethyl 5-oxo-3-oxabicyclo[4.1.0]heptane-7,7-dicarboxylate

A: 121-43-7
Trimethyl borate

B: 1341221-72-4
((1S,5S,6R)-5-hydroxy-3-oxabicyclo[4.1.0]heptane-7,7-diyl)dimethanol

Conditions

Conditions	Yield
Stage #1: (1S,6R)-diethyl 5-oxo-3-oxabicyclo[4.1.0]heptane-7,7-dicarboxylate With sodium tetrahydroborate In tetrahydrofuran at 20 - 60℃; for 6h; Inert atmosphere; Stage #2: methanol In tetrahydrofuran at 60℃; for 1.16667h; Inert atmosphere; Stage #3: With acetic acid In tetrahydrofuran; methanol at 0℃; Inert atmosphere;	A n/a B 84%

...Expand

: 67-56-1
methanol

: lithium bis(1,2-dicarba-closo-dodecaborane-1,2-diselena)borate diethyl ether disolvate

A: 16872-09-6
1,2-dicarba-closo-dodecaborane(12)

B: 121-43-7
Trimethyl borate

C: 325820-04-0
1,2-di(hydroseleno)-1,2-dicarba-closo-dodecaborane(12)

Conditions

Conditions	Yield
In dichloromethane-d2 air- and moisture excluded; soln. of carborane cooled to 0 °C, CH3OH added, stand for 2 h at 60 °C; monitored by (11)B, (13)C, (1)H NMR;	A 80% B n/a C 20%
In dichloromethane-d2 air- and moisture excluded; soln. of carborane cooled to 0 °C, CH3OH added, stand for 24 h at room temp.; monitored by (11)B NMR;	A 20% B n/a C 30%

...Expand

: 5926-26-1
(chloromethyl)trimethoxysilane

: 15277-97-1
1-aza-4,6,11-trioxa-5-boratricyclo[3.3.3.0(1,5)]undecane

A: 121-43-7
Trimethyl borate

B: 1-(chloromethyl)silatrane

Conditions

Conditions	Yield
With aluminum (III) chloride In 5,5-dimethyl-1,3-cyclohexadiene for 12h; Reflux;	A n/a B 76%

...Expand

: 94363-48-1
(dibromoboryl)(trimethylsily)ketene

A: 2916-76-9
methyl (trimethylsilyl)acetate

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With methanol; triethylamine In diethyl ether byproducts: Et3N.HBr; argon atmosphere; methanol and triethylamine soln. addn. to B-compd. soln. cooled to -30°C (stirring); ppt. filtration off, washing (ether), fractionation; elem. anal.;	A 74% B 32%

: 67-56-1
methanol

: 617-86-7
triethylsilane

: 74-85-1
ethene

: 10294-34-5
boron trichloride

A: 121-43-7
Trimethyl borate

B: 7318-82-3
ethylboronic acid dimethyl ester

C: 7397-46-8
diethyl methoxy borane

Conditions

Conditions	Yield
In methanol; xylene byproducts: Et3SiCl; Ar-atmosphere; mixing BCl3, Et3SiH and C2H4, distillation of EtBCl2, addn. of MeOH; collection (distillation); NMR spectroscopy;	A n/a B 72% C n/a
In methanol; dichloromethane byproducts: Et3SiCl, HCl; Ar-atmosphere; mixing BCl3 and Et3SiH at -78°C, bubling of C2H4, distillation of EtBCl2 and Et2BCl, addn. of MeOH at -78°C, warming to 0°C; collection (distillation); NMR spectroscopy;
In neat (no solvent) byproducts: Et3SiCl; Ar-atmosphere; mixing BCl3, Et3SiH and C2H4, addn. of MeOH; collection (distillation); NMR spectroscopy;

...Expand

: 12075-02-4
1,1'-bis(o-carborane)

A: Cs(1+)*{(C2B10H11)C2B9H11}(1-)=Cs{(C2B10H11)C2B9H11}

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With KOH,; caesium chloride In ethanol byproducts: H2; by 2.5 fold molar quant. KOH in boiling ethanolic soln., 1.5 h; recrystm. (water);	A 69% B n/a

: 1825-61-2
Methoxytrimethylsilane

: 369-57-3
benzenediazonium tetrafluoroborate

A: 121-43-7
Trimethyl borate

B: 420-56-4
trimethylsilyl fluoride

C: 100-66-3
methoxybenzene

Conditions

Conditions	Yield
In 1,1,2-Trichloro-1,2,2-trifluoroethane 1.) 0 to 55 deg C very slowly, 2.) sonication, reflux, 16 h;	A 66% B n/a C 51%
In 1,1,2-Trichloro-1,2,2-trifluoroethane 1.) 0 to 55 deg C very slowly, 2.) sonication, reflux, 16 h; other alkyl(acyl)oxytrimethylsilanes;	A 66% B n/a C 51%

...Expand

: 67-56-1
methanol

: sodium metaborate

: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With carbon monoxide In methanol byproducts: H2O; generation of Na-formate by treatment of NaBO2 in methanol with CO at 100°C, distn. of the soln.;;	64.6%
In methanol

: lithium pentafluorophenyltrimethoxyborate

A: 848609-02-9
dimethyl pentafluorophenylboronate

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: C6F5H; under Ar, teflon-perfluoropropylene block copolymer vessel evacuated at 3E-2 hPa, 150-170 °C for 3 h; distn., yields were determined by (19)F and (11)B NMR;	A 2.5% B 56%

: 1-(dichloroboryl)pentaborane

A: pentaborane(9)

B: 1-(dimethoxyboryl)pentaborane

C: 121-43-7
Trimethyl borate

D: 867-46-9
(methoxy)dichloroborane

E: 868-81-5
chlorodimethoxyborane

Conditions

Conditions	Yield
With methanol In dichloromethane Teflon-valve-equipped standard vacuum line or a nitrogen-filled glovebox; solvent, BCl2B5H8, CH3OH condensed into reactor, vessel warmed to room temp. over 4 h,; contents were fractionated, boron NMR data indicated presence of B(OMe)2B5H8 and BCl(OMe)B5H8 in the molar ratio 3:2;addn. of additional methanol, stirred for 5 min at -60 and -20 ° C, sepn., B(OMe)2B5H8 isolated;by-products:other boron compds.,;	A n/a B 46% C n/a D n/a E n/a

Yield

With methanol In dichloromethane Teflon-valve-equipped standard vacuum line or a nitrogen-filled glovebox; solvent, BCl2B5H8, CH3OH condensed into reactor, vessel warmed to room temp. over 4 h,; contents were fractionated, boron NMR data indicated presence of B(OMe)2B5H8 and BCl(OMe)B5H8 in the molar ratio 3:2;addn. of additional methanol, stirred for 5 min at -60 and -20 ° C, sepn., B(OMe)2B5H8 isolated;by-products:other boron compds.,;

A n/a
B 46%
C n/a
D n/a
E n/a

...Expand

: 81175-91-9
bis(dimethylamino)[tris(trimethylsilyl)silyl]borane

A: 121-43-7
Trimethyl borate

B: 7318-74-3
(dimethylamino)dimethoxy borane

C: 4375-83-1
tris(dimethylamino)borane

Conditions

Conditions	Yield
With methanol In hexane (under Ar); the borane is dissolved in hexane and treated with MeOH, mixt. is heated to 45°C; monitored by (11)B-NMR;	A 44% B 8% C 6%

...Expand

: 67-56-1
methanol

: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With aluminum oxide; sodium borate; carbon dioxide at 80℃; under 1034.32 Torr; for 4h;	43%
With sodium borate; molecular sieve; carbon dioxide at 80℃; under 1034.32 Torr; for 4h;	38%
With sodium borate; carbon dioxide at 80℃; under 1034.32 Torr; for 4h;	28%

: arachno-9-Et2S-6-SB9H11

: 75-57-0
tetramethlyammonium chloride

A: (CH3)4N(1+)*SB8H11(1-)=(CH3)4N{SB8H11}

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With methanol; potassium hydroxide In methanol; water byproducts: C2H6; N2 atmosphere, refluxing (overnight), evapn. of solvent, dissolving (water), pptn. on addn. of aq. soln. of Me4NCl; recrystn. (acetonitrile/acetone), drying (vac.);	A 32.3% B n/a

...Expand

: 94318-00-0
{bis(dimethylamino)boryl}ethoxyacetylene

A: 126686-31-5
{(dimethylamino)methoxyboryl}ethoxyacetylene

B: 121-43-7
Trimethyl borate

C: 927-80-0
1-ethoxyacetylene

Conditions

Conditions	Yield
With methanol In neat (no solvent) Ar atmospher; addn. of MeOH to (Me2N)2BCCOEt (dropwise, water-cooling), heating (50-60°C, 1 h); fractionation (trap, solid carbon dioxide-cooling); NMR- and IR-spectroscopy;	A 32% B n/a C n/a

...Expand

: arachno-9-Et3N-6-SB9H11

: 75-57-0
tetramethlyammonium chloride

A: (CH3)4N(1+)*SB8H11(1-)=(CH3)4N{SB8H11}

B: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With methanol; potassium hydroxide In methanol; water byproducts: C2H6, H2; N2 atmosphere, refluxing (overnight), evapn. of volatiles, dissolving (water), pptn. on addn. of aq. soln. of Me4NCl; recrystn. (acetonitrile/acetone), drying (vac.);	A 30% B n/a

...Expand

: 30624-33-0
1-I-B5H8

A: 19624-22-7
pentaborane(9)

B: 23556-01-6
2-methoxypentaborane(9)

C: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With (CH3)2O In Dimethyl ether byproducts: CH3I, HB(OCH3)2, H2; at -12°C, 15h;;	A n/a B 25% C n/a

...Expand

: 81175-92-0
bis{tris(trimethylsilyl)silyl} (dimethylamino)borane

: 121-43-7
Trimethyl borate

Conditions

Conditions	Yield
With methanol In chloroform-d1 (under Ar); the borane is dissolved in CDCl3 and treated with MeOH, mixt. is heated to 80°C for 0,5 h; monitored by (11)B-NMR;	6%

: 121-43-7
Trimethyl borate

: C19H31BN2O4

Conditions

Conditions	Yield
Stage #1: 1,1-dimethylethyl (2S)-4-[(3-bromophenyl)methyl]-2-methyl-1-piperazine carboxylate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 20℃; for 2h;	100%

: 3-Bromothioanisole

: 121-43-7
Trimethyl borate

: 128312-11-8
3-methylthiophenylboronic acid

Conditions

Conditions	Yield
With sodium hydroxide; iodine; magnesium In tetrahydrofuran	100%

: 121-43-7
Trimethyl borate

: CH2CHC(O)(OCH2CH2)4OB(OC6H4)2

Conditions

Conditions	Yield
With 2,2'-biphenyldiol; tetraethylene glycol monoacrylate In acetonitrile soln. of B(OCH3)3 and 2,2'-biphenyldiol stirred at 60°C for 1 h; tetraethylene glycol monoacrylate added, stirred at 60°C for 1.5 h; cooled; solvent evapd.; residue dissolved (toluene); insolubles filtered; solvent removed by evapn.;	100%

: 121-43-7
Trimethyl borate

: 92-44-4
2,3-naphthalenediol

: 19812-60-3
tetraethylene glycol monoacrylate

: CH2CHC(O)(OCH2CH2)4O(BO2C10H6)

Conditions

Conditions	Yield
In acetonitrile naphthalene diol reacted with soln. of B(OCH3)3 at 60°C for 1 h; tetraethylene glycol monoacrylate added, stirred for 2 h; cooled; solvent evapd. at 40°C for 24 h;	100%

...Expand

: 121-43-7
Trimethyl borate

: 120-80-9
benzene-1,2-diol

: 19812-60-3
tetraethylene glycol monoacrylate

: CH2CHC(O)(OCH2CH2)4OB(O2C6H4)

Conditions

Conditions	Yield
In acetonitrile stirring of catechol and B(OMe)3 at 60 °C for 1h, addn of tetraethylene glycol monoacrylate, 2 h stirring; cooling, vac. evapn. at 40 °C for 24 h;	100%

...Expand

: 474688-76-1
2-bromo-9,10-di(2-naphthyl)anthracene

: 121-43-7
Trimethyl borate

: 867044-28-8
(9,10-di (naphthalene-2-yl) anthracene-2-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: 2-bromo-9,10-di(2-naphthyl)anthracene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 20℃; for 17h; Inert atmosphere;	100%
Stage #1: 2-bromo-9,10-di(2-naphthyl)anthracene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; for 1h; Stage #3: With hydrogenchloride; water In tetrahydrofuran	70%
Stage #1: 2-bromo-9,10-di(2-naphthyl)anthracene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; for 1h; Stage #3: With hydrogenchloride; water In tetrahydrofuran at 20℃; for 3h;	70%
Stage #1: 2-bromo-9,10-di(2-naphthyl)anthracene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; for 1h; Stage #3: With hydrogenchloride; water In tetrahydrofuran for 3h;	70%
Stage #1: 2-bromo-9,10-di(2-naphthyl)anthracene With n-butyllithium In tetrahydrofuran at -78℃; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; Inert atmosphere; Stage #3: With hydrogenchloride; water In tetrahydrofuran for 3h;

: 121-43-7
Trimethyl borate

: 1073633-62-1
1,1-dimethylethyl (7-bromo-1-methyl-2-oxo-1,2,3,4-tetrahydro-1,5-naphthyridin-3-yl)carbamate

: 1073633-63-2
[7-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-5-methyl-6-oxo-5,6,7,8-tetrahydro-1,5-naphthyridin-3-yl]boronic acid

Conditions

Conditions	Yield
Stage #1: 1,1-dimethylethyl (7-bromo-1-methyl-2-oxo-1,2,3,4-tetrahydro-1,5-naphthyridin-3-yl)carbamate With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; for 3h;	100%

: 872548-85-1
2-bromo-6-methoxy-1-(methoxymethoxy)-3-methylnaphthalene

: 121-43-7
Trimethyl borate

: 872550-84-0
(3-methyl-6-(methyloxy)-1-{[(methyloxy)methyl]oxy}-2-naphthalenyl)boronic acid

Conditions

Conditions	Yield
Stage #1: 2-bromo-6-methoxy-1-(methoxymethoxy)-3-methylnaphthalene With n-butyllithium In tetrahydrofuran; hexanes at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran; hexanes at -78 - 20℃; for 20.5h; Stage #3: With water; ammonium chloride In tetrahydrofuran; hexanes	100%

: 871114-85-1
4-bromo-2,5-dimethyl-4'-(trimethylsilyl)-1,1'-biphenyl

: 121-43-7
Trimethyl borate

: 1256293-81-8
2,5-dimethyl-p-(4'-trimethylsilylphenyl)phenylboronic acid

Conditions

Conditions	Yield
Stage #1: 4-bromo-2,5-dimethyl-4'-(trimethylsilyl)-1,1'-biphenyl; Trimethyl borate With n-butyllithium In tetrahydrofuran Stage #2: With hydrogenchloride In tetrahydrofuran; water	100%

: 121-43-7
Trimethyl borate

: 10097-02-6
2,2-bis(hydroxymethyl)butanoic acid

: 1188369-89-2
C6H9BO4

Conditions

Conditions	Yield
In methanol	100%

: 121-43-7
Trimethyl borate

: 107658-18-4
3-iodo-4-methylfuran

: 1358063-54-3
4-methylfuran-3-ylboronic acid

Conditions

Conditions	Yield
Stage #1: 3-iodo-4-methylfuran With tert.-butyl lithium In tetrahydrofuran; pentane at -78℃; for 0.5h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; pentane at -78 - 20℃; for 1h; Inert atmosphere; Stage #3: With hydrogenchloride; water In tetrahydrofuran; pentane for 0.75h; Inert atmosphere;	100%

: 121-43-7
Trimethyl borate

: 1599475-25-8
C8H9N3S

: 1599475-26-9
C8H10BN3O2S

Conditions

Conditions	Yield
Stage #1: C8H9N3S With n-butyllithium In tetrahydrofuran at -78℃; for 6h; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; Stage #3: With hydrogenchloride; water In tetrahydrofuran for 0.5h;	100%

: 121-43-7
Trimethyl borate

: 1599475-34-9
C8H7N3S

: 1599475-35-0
C8H8BN3O2S

Conditions

Conditions	Yield
Stage #1: C8H7N3S With n-butyllithium In tetrahydrofuran at -78℃; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; Stage #3: With hydrogenchloride; water In tetrahydrofuran for 0.5h;	100%

: 121-43-7
Trimethyl borate

: 12-(4-bromophenyl)-N,N-dimethyldodecan-1-amine

: C20H36BNO2

Conditions

Conditions	Yield
Stage #1: 12-(4-bromophenyl)-N,N-dimethyldodecan-1-amine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 20℃; for 12h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; hexane; water at 20℃; for 0.333333h; pH=9; Inert atmosphere;	100%

: 121-43-7
Trimethyl borate

: (15-(4-bromophenyl)pentadecyloxy)(tert-butyl)dimethylsilane

: C27H51BO3Si

Conditions

Conditions	Yield
Stage #1: (15-(4-bromophenyl)pentadecyloxy)(tert-butyl)dimethylsilane With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 20℃; for 12h; Inert atmosphere;	100%

: 174913-19-0
1-bromo-2,3-dichloro-5-methoxybenzene

: 121-43-7
Trimethyl borate

: (2,3-dichloro-5-methoxyphenyl)boronic acid

Conditions

Conditions	Yield
Stage #1: 1-bromo-2,3-dichloro-5-methoxybenzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran; hexane at 20℃; for 1h;	100%

: 121-43-7
Trimethyl borate

: 130225-27-3, 164297-25-0, 238753-24-7
(SS)-ferrocenyl p-tolylsulfoxide

: (Sp,SS)-2-(p-tolylsulfinyl)ferrocenyl boronic acid

Conditions

Conditions	Yield
Stage #1: (SS)-ferrocenyl p-tolylsulfoxide With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78℃; for 1.5h; Inert atmosphere;	100%

: 121-43-7
Trimethyl borate

: (RS)-ferrocenyl p-tolylsulfoxide

: (Rp,RS)-2-(p-tolylsulfinyl)ferrocenyl boronic acid

Conditions

Conditions	Yield
Stage #1: (RS)-ferrocenyl p-tolylsulfoxide With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78℃; for 1.5h; Inert atmosphere;	100%

: 847490-69-1
4-iodoisoxazole

: 121-43-7
Trimethyl borate

: (isoxazol-4-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: 4-iodoisoxazole With TurboGrignard In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran at 0℃; for 4.5h; Inert atmosphere;	100%

: 121-43-7
Trimethyl borate

: 3-bromo-10-mesityl-10H-phenothiazine

: (10-mesityl-10H-phenothiazin-3-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: 3-bromo-10-mesityl-10H-phenothiazine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Schlenk technique; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere; Schlenk technique; Stage #3: With hydrogenchloride	100%

: 121-43-7
Trimethyl borate

: 4984-62-7
2,6-bis(2,5-dimethyl-1H-pyrrol-1-yl)pyridine

: (2,6-bis(2,5-dimethyl-1H-pyrrol-1-yl)pyridin-4-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: 2,6-bis(2,5-dimethyl-1H-pyrrol-1-yl)pyridine With n-butyllithium In tetrahydrofuran at 0℃; for 0.166667h; Stage #2: Trimethyl borate In diethyl ether at 20℃; for 1h;	100%

: 121-43-7
Trimethyl borate

: 4-bromo-2-(tert-butoxycarbonylamino)-6-chlorobenzo[d]thiazole

: (2-((tert-butoxycarbonyl)amino)-6-chlorobenzo[d]thiazol-4-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: 4-bromo-2-(tert-butoxycarbonylamino)-6-chlorobenzo[d]thiazole With isopropylmagnesium chloride; lithium chloride In tetrahydrofuran at -10 - 20℃; for 2h; Stage #2: Trimethyl borate at -78℃; for 0.5h;	100%

: 121-43-7
Trimethyl borate

: 134364-69-5
2.3-difluoroanisole

: (2,3-difluoro-4-methoxyphenyl)boronic acid

Conditions

Conditions	Yield
Stage #1: 2.3-difluoroanisole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane for 2h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; hexane; water at -30℃; for 2h; Inert atmosphere;	100%
Stage #1: 2.3-difluoroanisole With n-butyllithium In tetrahydrofuran; hexane at -85 - -75℃; for 2h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -85 - -75℃;

: 121-43-7
Trimethyl borate

: 7732-18-5
water

: 4984-62-7
2,6-bis(2,5-dimethyl-1H-pyrrol-1-yl)pyridine

: (2,6-bis(2,5-dimethyl-1H-pyrrol-1-yl)pyridin-4-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: 2,6-bis(2,5-dimethyl-1H-pyrrol-1-yl)pyridine With n-butyllithium In tetrahydrofuran at 0℃; for 0.166667h; Stage #2: Trimethyl borate In tetrahydrofuran; diethyl ether at 0 - 20℃; for 1h; Stage #3: water With hydrogenchloride at 0℃; for 0.166667h;	100%

...Expand

: 121-43-7
Trimethyl borate

: C11H5BrFN

: C11H7BFNO2

Conditions

Conditions	Yield
Stage #1: C11H5BrFN With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at 20℃; for 16h;	100%

: 121-43-7
Trimethyl borate

: C25H25BrClN

: 7732-18-5
water

: C25H27BClNO2

Conditions

Conditions	Yield
Stage #1: C25H25BrClN With n-butyllithium In tetrahydrofuran; hexane at -65℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -65 - 20℃; Inert atmosphere; Stage #3: water With hydrogenchloride In tetrahydrofuran; hexane at 0℃;	100%

...Expand

: 121-43-7
Trimethyl borate

: 6-(2-bromo-3-(di([1,1′-biphenyl]-4-yl)amino)phenoxy)-9,9-dimethyl-N,N-diphenyl-9H-fluoren-2-amine

: dimethyl (2-(di([1,1′-biphenyl]-4-yl)amino)-6-((7-(diphenylamino)-9,9-dimethyl-9H-fluoren-3-yl)oxy)phenyl)boronate

Conditions

Conditions	Yield
Stage #1: 6-(2-bromo-3-(di([1,1′-biphenyl]-4-yl)amino)phenoxy)-9,9-dimethyl-N,N-diphenyl-9H-fluoren-2-amine With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at 20℃; for 2h;	100%
Stage #1: 6-(2-bromo-3-(di([1,1′-biphenyl]-4-yl)amino)phenoxy)-9,9-dimethyl-N,N-diphenyl-9H-fluoren-2-amine With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at 20℃; for 2h; Inert atmosphere;	100%