CAS No.593-90-8,TRIMETHYLBORON Suppliers,MSDS download

Dayang Chem (Hangzhou) Co.,Ltd.

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

Trimethylboron

Cas:593-90-8

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Chemwill Asia Co., Ltd.

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

Trimethylborane

Cas:593-90-8

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Hangzhou J&H Chemical Co., Ltd.

J&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

Borane, trimethyl-

Cas:593-90-8

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Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

3-(2-Formyl-1H-pyrrol-1-yl)propanenitrile , 97%

Cas:593-90-8

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

TriMethylborane

Cas:593-90-8

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Shandong Baizhou Pharmaceutical Technology Co., Ltd.

Shandong Baizhou Pharmaceutical Technology Co., Ltd. is a subsidiary of Jinwotai Chemical Co., Ltd. Heze Jinwotai Chemical Co., Ltd. is located in Tancheng Industrial Park, Heze City, covering an area of 110 acres. The company has more than 150 e

Trimethylboron

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Asia Pacific Gas Enterprise Company Limited

Formula B(CH3)3 Application Trimethylborane has been used as a neutron counter. For this use it has to be very pure. It is also used in chemica…

Borane, trimethyl-

Cas:593-90-8

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Changzhou Foreign Trade Corp

CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio

trimethylborane

Cas:593-90-8

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Synthetic route

: (methyl)3boron*NH3

A: 593-90-8
trimethylborane

B: 7664-41-7
ammonia

Conditions

Conditions	Yield
at 130.0°C, 74.1 Torr equilibrium;	A 99.6% B 99.6%
at 130.0°C, 74.1 Torr equilibrium;	A 99.6% B 99.6%
at 54.8°C, 57.6 Torr equilibrium;	A 90.8% B 90.8%
at 54.8°C, 57.6 Torr equilibrium;	A 90.8% B 90.8%

: 5419-55-6
Triisopropyl borate

: 917-54-4
methyllithium

A: dimethylisopropoxyborane

B: 593-90-8
trimethylborane

C: 86595-27-9
diisopropoxymethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 1% B <1 C 98%

...Expand

: 22238-17-1
tri-sec-butylborate

: 917-54-4
methyllithium

A: (CH3)2B(OCH(CH3)CH2CH3)

B: 86595-29-1
CH3B(OCH(CH3)CH2CH3)2

C: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 1% B 98% C <1

...Expand

: 13195-76-1
triisobutyl borate

: 917-54-4
methyllithium

A: (CH3)2B(OCH2CH(CH3)2)

B: 86595-30-4
CH3B(OCH2CH(CH3)2)2

C: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 1% B 98% C <1

...Expand

: 917-54-4
methyllithium

: 94242-85-0
2,4,4,5,5-pentamethyl-[1,3,2]dioxaborolane

A: 97782-68-8
(CH3)2BOC(CH3)2C(CH3)2OH

B: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether byproducts: LiCl; 1 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 98% B <1

...Expand

: 856617-42-0
trimethyl-borane; compound with trimethylamine

A: 593-90-8
trimethylborane

B: 75-50-3
trimethylamine

Conditions

Conditions	Yield
at 111.3°C, 64.5 Torr equilibrium;	A 96% B 96%
at 111.3°C, 64.5 Torr equilibrium;	A 96% B 96%
at 65.8°C, 47.5 Torr equilibrium;	A 63.8% B 63.8%

: 917-54-4
methyllithium

: 86595-27-9
diisopropoxymethylborane

A: dimethylisopropoxyborane

B: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether byproducts: LiCl, 2-propanol; 2 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 95% B <1
With hydrogenchloride In diethyl ether byproducts: LiCl, 2-propanol; 1 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 95% B <1

...Expand

: 917-54-4
methyllithium

: 51901-48-5
2-methyl-[1,3,2]dioxaborinane

A: 765242-40-8
(CH3)2BO(CH2)3OH

B: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether byproducts: LiCl; 2 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 92% B <7

...Expand

: 62948-84-9
bis[tert-butyl(dimethylboryl)amino]methylphosphanoxide

A: 593-90-8
trimethylborane

B: 62948-89-4
1,3-di-tert-butyl-2,4-dimethyl-1,3,2,4-diazaphosphaboretidine-2-oxide

Conditions

Conditions	Yield
In neat (no solvent) heating at 160-170°C for 5 h in a stream of N2 with condensationof the volatiles in a trap cooled at -78°C;; distn.; elem. anal.;;	A 88% B 75%

: 75-16-1
methylmagnesium bromide

: 10294-34-5
boron trichloride

: 593-90-8
trimethylborane

Conditions

Conditions	Yield
In diethyl ether at room temp. for 2 h, molar ratio BCl3:ether:MeMgBr01:2:3; by fractional condensation;	87%
In diethyl ether at room temp. for 2 h, molar ratio BCl3:ether:MeMgBr01:2:3; by fractional condensation;	87%

: 5158-50-9
dimethylboron bromide

: 17940-08-8
bis(tert-butylamino)dimethylsilane

A: 593-90-8
trimethylborane

B: 62948-94-1
1,3-di-tert-butyl-2,2,4-trimethyl-1,3,2,4-diazasilaboretidine

Conditions

Conditions	Yield
With n-butyllithium In hexane; cyclohexane under N2 atmosphere; lithiation of the amine with n-BuLi in hexane; refluxing for 20 h; dropwise addn. of a soln. of B compd. in cyclohexane tothe suspn. of the Li compd. at -78°; slow warming to room temp.;; filtration; removal of volatiles from filtrate; fractional distn.; elem. anal.;;	A 83.5% B 67%

...Expand

: 688-74-4
boric acid tributyl ester

: 917-54-4
methyllithium

A: (CH3)2B(OC4H9)

B: 593-90-8
trimethylborane

C: 86595-28-0
methyldi-n-butoxyborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 9% B <1 C 82%

...Expand

: 854457-30-0
trimethyl-borane; compound with methylamine

A: 593-90-8
trimethylborane

B: 74-89-5
methylamine

Conditions

Conditions	Yield
at 130.0°C, 77.4 Torr equilibrium;	A 81.95% B 81.95%
at 130.0°C, 77.4 Torr equilibrium;	A 81.95% B 81.95%
at 85.4°C, 52.5 Torr equilibrium;	A 38.86% B 38.86%
at 85.4°C, 52.5 Torr equilibrium;	A 38.86% B 38.86%

: 75-16-1
methylmagnesium bromide

: 10294-33-4
boron tribromide

: 593-90-8
trimethylborane

Conditions

Conditions	Yield
In diethyl ether	80%
In diethyl ether	80%
In benzene
In benzene

: 124665-16-3
2,8-dibromo-3,4,6,7-tetrathia-1-aza-2,5,8-triborabicyclo{3.3.0(1,5)}octane

: 27484-88-4
bis(dimethylboryl)disulphane

A: 124665-19-6
9-methyl-2,3,5,6,8,10-hexathia-11-aza-1,4,7,9-tetraboratricyclo{6.2.1.0(1,11)}undecane

B: 593-90-8
trimethylborane

C: 5158-50-9
dimethylboron bromide

D: 25592-09-0
3,5-dimethyl-1,2,4-trithia-3,5-diborolane

Conditions

Conditions	Yield
In toluene N2 atmosphere; addn. of soln. of (Me2BS)2 to soln. of BN(BBr2)2 (room temp., stirring), heating (70°C, 36 h); sepn. of solid, removal of volatiles, sepn. of educt (sublimation, 110°C, 1.3 Pa); elem. anal.;	A 76% B n/a C n/a D n/a

...Expand

: 856622-99-6
trimethyl-borane; compound with dimethylamine

A: 593-90-8
trimethylborane

B: 124-40-3
dimethyl amine

Conditions

Conditions	Yield
at 125.6°C, 66.3 Torr equilibrium;	A 74.2% B 74.2%
at 125.6°C, 66.3 Torr equilibrium;	A 74.2% B 74.2%
at 85.1°C, 45 Torr equilibrium;	A 31.6% B 31.6%
at 85.1°C, 45 Torr equilibrium;	A 31.6% B 31.6%

: 5419-55-6
Triisopropyl borate

: 823-96-1
Trimethylboroxine

A: 593-90-8
trimethylborane

B: 86595-27-9
diisopropoxymethylborane

Conditions

Conditions	Yield
In tetrahydrofuran	A n/a B 70%

...Expand

: 150-46-9
triethyl borate

: 917-54-4
methyllithium

A: 86595-26-8
diethoxymethylborane

B: 593-90-8
trimethylborane

C: 86610-16-4
Dimethan-borinsaeure-ethylester

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 65% B 7% C 10%

...Expand

: 819-38-5
CH3B(O-t-C4H9)2

: 917-54-4
methyllithium

A: 593-90-8
trimethylborane

B: 38109-66-9
Dimethylborinsaeure-tert.-butylester

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether byproducts: LiCl, 2-propanol; 1 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, allowing to warm to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 32% B 58%

...Expand

: 21482-59-7
tetramethyl diborane

: 74-85-1
ethene

A: 593-90-8
trimethylborane

B: 819-58-9
(dimethyl)trifluoropropylborane

C: 689-46-3
Methyl-bis-<3,3,3-trifluor-propyl>-boran

Conditions

Conditions	Yield
	A 30% B 45% C 8%
	A 30% B 45% C 8%

...Expand

: 868-81-5
chlorodimethoxyborane

: 917-54-4
methyllithium

A: 593-90-8
trimethylborane

B: 4443-43-0
methoxy-dimethyl-borane

C: 7318-81-2
bis(methoxy)methylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 16% B 6% C 43%

...Expand

: 2467-18-7
boric acid tribenzyl ester

: 917-54-4
methyllithium

A: (CH3)2B(OCH2C6H5)

B: CH3B(OCH2C6H5)2

C: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 25% B 42% C 4%

...Expand

: diborane

: 544-97-8
dimethyl zinc(II)

A: 14018-82-7
zinc dihydride

B: 593-90-8
trimethylborane

C: methylzinc tetrahydroborate

Conditions

Conditions	Yield
In neat (no solvent) (exclusion of moisture); room temp., 16 h; purifn. by trap-to-trap distn.;	A n/a B n/a C 40%

...Expand

: 121-43-7
Trimethyl borate

: 75-24-1
trimethylaluminum

: 593-90-8
trimethylborane

Conditions

Conditions	Yield
In mineral oil B(OCH3)3 condensed onto Al(CH3)3 soln. with -196°C trap, opened to closed vol., warmed slowly to room temp. with stirring, repeated twice; pumped into -196°C trap, passed through -132°C into -196°C trap;	38%

: 21482-59-7
tetramethyl diborane

: 74-85-1
ethene

A: 593-90-8
trimethylborane

B: 1113-22-0
dimethylethylborane

C: 97-94-9
triethyl borane

D: 1115-07-7
methyldiethylborane

Conditions

Conditions	Yield
	A 25% B 34% C 0.5% D 19%
	A 25% B 34% C 0.5% D 19%

...Expand

: 5158-50-9
dimethylboron bromide

: 999-97-3
1,1,1,3,3,3-hexamethyl-disilazane

A: 593-90-8
trimethylborane

B: 5314-85-2
2,4,6-Trimethyl-[1,3,5,2,4,6]triazatriborinane

C: 19163-15-6
bis(dimethylboryl)methylamine

Conditions

Conditions	Yield
byproducts: (CH3)3SiBr; 50°C, 20 h, in closed tube;	A n/a B n/a C 34%

...Expand

: 917-54-4
methyllithium

: 10294-34-5
boron trichloride

A: 593-90-8
trimethylborane

B: 4443-43-0
methoxy-dimethyl-borane

C: 7318-81-2
bis(methoxy)methylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 32% B 3% C <1

...Expand

: 51901-49-6
2-bromo-1,3,2-benzodioxaborole

: 917-54-4
methyllithium

A: 97782-69-9
(CH3)2BOC6H4OH

B: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether byproducts: LiCl; 1 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 20% B 30%

...Expand

: 367-46-4
fluorodimethoxyborane

: 917-54-4
methyllithium

A: 593-90-8
trimethylborane

B: 4443-43-0
methoxy-dimethyl-borane

C: 7318-81-2
bis(methoxy)methylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether under N2; to cold (-78 °C) soln. of boron compd. in Et2O slowly added MeLi, stirred for 0.5 h, warmed to room temp., stirred for 0.5 h,Li(BMe4) detected by (11)B NMR, cooled to 0 °C, added soln. of HCl in Et2O, stirred for 15 min, warmed; not isolated, monitored by (11)B NMR;	A 28% B <1 C 10%

...Expand

: 917-54-4
methyllithium

: 37003-57-9
2-methyl-1,3,2-dioxaborolane

A: 97782-66-6
(CH3)2BO(CH2)2OH

B: 593-90-8
trimethylborane

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether byproducts: LiCl; 1 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;	A 21% B 26%

...Expand

: 593-90-8
trimethylborane

: 5587-42-8
imidazolyl sodium

: Na(1+)*C3H3N2(B(CH3)2)2(1-)*2C4H8O = Na[C3H3N2(B(CH3)2)2]*2C4H8O

Conditions

Conditions	Yield
In tetrahydrofuran (Ar); warming from -78°C to room temp. (10 h); evapn.; elem. anal.;	99%

: 593-90-8
trimethylborane

: 89201-97-8
(tert-butylimino)(2,2,6,6-tetramethylpiperidino)borane

: [(tert-butyl)(methyl(2,2,6,6-tetramethylpiperidino)boryl)amino]dimethylborane

Conditions

Conditions	Yield
In hexane	97%
In hexane Schlenk technique, a soln. of iminoborane frozen at -196°C, borancondenced onto it, allowed to slowly thaw, stirred for 4 h; solvent removed (50 Torr); elem. anal.;	97%

: boron trioxide

: 593-90-8
trimethylborane

: 823-96-1
Trimethylboroxine

Conditions

Conditions	Yield
In neat (no solvent) synthesis of small amounts: condensation of 0.061 mol B(CH3)3 onto 0.061mol B2O3 (-192 °C), heating in a sealed tube at 300°C for 6h;; condensation in vac. into a trap at -78°C;;	96%
In neat (no solvent) synthesis of small amounts: condensation of 0.061 mol B(CH3)3 onto 0.061mol B2O3 (-192 °C), heating in a sealed tube at 300°C for 6h;; condensation in vac. into a trap at -78°C;;	96%

: 593-90-8
trimethylborane

: 10325-39-0
dichloroborane

: 10294-34-5
boron trichloride

: 7318-78-7
dichloro-methyl-borane

Conditions

Conditions	Yield
at ambient temp. 24 h in presence of 1 vol.% HBCl2;	95%
at ambient temp. 24 h in presence of 1 vol.% HBCl2;	95%

...Expand

: 593-90-8
trimethylborane

: 120850-91-1
(S,S)-(-)-1,2-dicyclohexyl-ethane-1,2-diol

: (4S,5S)-4,5-dicyclohexyl-2-methoxy-1,3,2-dioxaborolane

Conditions

Conditions	Yield
In neat (no solvent) byproducts: methanol; Ar-atmosphere; stirring; distg.;	95%

: 593-90-8
trimethylborane

: 10294-33-4
boron tribromide

: 5158-50-9
dimethylboron bromide

Conditions

Conditions	Yield
With alkene; tetraethyldiborane(6) react. of two equiv B(CH3)3 with one equiv BBr3 at room temp., decompn. of catalyst with alkene; distn.;	91%
tetraethyldiborane(6)

: 593-90-8
trimethylborane

: 2-[bis(2-hydroxyethyl)amino]-1,1-diphenyl-1-ethanol

: 928853-47-8
3,3-diphenylboratrane

Conditions

Conditions	Yield
In chloroform (Ar), Me3B added to soln. of ligand in CHCl3, stirred for 24 h at room temp.; fconcd.(vac.), pptd.(pentane), filtered, washed (pentane), dried (vac.);	90%

: 76-09-5
2,3-dimethyl-2,3-butane diol

: 593-90-8
trimethylborane

: 262266-33-1
1,5-anhydro-2-deoxy-4,6-O-bis(tert-butylsilylidene)-3-O-triisopropylsilyl-D-arabino-hex-1-enitol

: 842132-50-7
(1,5-anhydro-2-deoxy-4,6-O-bis(tert-butylsilylidene)-3-O-triisopropylsilyl-D-arabino-hex-1-enitol)boronic acid pinacol ester

Conditions

Conditions	Yield
Stage #1: 1,5-anhydro-2-deoxy-4,6-O-bis(tert-butylsilylidene)-3-O-triisopropylsilyl-D-arabino-hex-1-enitol With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; Inert atmosphere; Large scale; Stage #2: trimethylborane In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Large scale; Stage #3: 2,3-dimethyl-2,3-butane diol In toluene at 20℃; for 12h; Large scale;	90%

...Expand

: 593-90-8
trimethylborane

: 1421312-33-5
methyl 4-hydroxy-1-chloro-7-phenoxyisoquinoline-3-carboxylate

: 1421312-35-7
1-methyl-4-hydroxy-7-phenoxyisoquinoline-3-carboxylic acid

Conditions

Conditions	Yield
Stage #1: trimethylborane; methyl 4-hydroxy-1-chloro-7-phenoxyisoquinoline-3-carboxylate With bis-triphenylphosphine-palladium(II) chloride; sodium phosphate In 2-methoxy-ethanol; water at 90 - 100℃; for 4h; Stage #2: With hydrogenchloride In water at 20 - 30℃; pH=2 - 3;	88%

: 593-90-8
trimethylborane

: 18000-27-6
trimethylsilyllithium

: 72442-81-0
Li(1+)*B(Si(CH3)3)(CH3)3(1-)=Li{B(Si(CH3)3)(CH3)3}

Conditions

Conditions	Yield
In hexane at -196°C in high vac., pptn. during warming up; the solvent was decanted, the product was washed with pentane, then dissolved in benzene and crystd. with pentane; elem. anal.;	86%

: 593-90-8
trimethylborane

: methyl (4-hydroxy-1-chloro-7-phenoxyisoquinoline-3-carboxamido)acetate

: [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid

Conditions

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0); water; potassium carbonate In ethanol at 110℃; for 4h;	86%

: 15243-33-1
dodecacarbonyl-triangulo-triruthenium

: 593-90-8
trimethylborane

: potassium hydride

: 80662-65-3
K(1+)*HRu3(CO)11(1-)=KHRu3(CO)11

Conditions

Conditions	Yield
In tetrahydrofuran byproducts: CO; distg. of THF onto mixt. of Ru3(CO)12 and KH at -78°C in inert atmosphere, distg. of B(CH3)3 at -196°C, warming to 25°C, CO evolves, the soln. turns bright red; evapn. in vac. after 2 h, dissolving in min. amt. of CH2Cl2, addn. of hexane, filtn., washing (hexane);	83%

...Expand

: 593-90-8
trimethylborane

: erythro-2-[bis(2-hydroxyethyl)amino]-1,2-diphenyl-1-ethanol

: erythro-3,4-diphenylboratrane

Conditions

Conditions	Yield
In chloroform (Ar), Me3B added to soln. of ligand in CHCl3, stirred for 24 h at room temp.; filtered, washed (CHCl3), dried (vac.);	82%

: 593-90-8
trimethylborane

: 538-93-2
1-phenyl-2-methylpropane

: 4755-77-5
Ethyl oxalyl chloride

: 15687-27-1
ibuprofen

Conditions

Conditions	Yield
Stage #1: 1-phenyl-2-methylpropane; Ethyl oxalyl chloride With aluminum (III) chloride Stage #2: trimethylborane With phosphorous acid trimethyl ester Stage #3: With lithium hydroxide	82%

...Expand

: 593-90-8
trimethylborane

: 683-84-1
(dimethylamino)dimethylphosphine

: 1113-30-0
Tetramethylborazen

Conditions

Conditions	Yield
byproducts: (CH3)3B*P(CH3)3; in 77 day;	78%
byproducts: (CH3)3B*P(CH3)3; in 77 day;	78%

: 76-09-5
2,3-dimethyl-2,3-butane diol

: 593-90-8
trimethylborane

: 108-18-9
diisopropylamine

: 74-95-3
1,2-dibromomethane

: 87921-48-0
2-(dibromomethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Conditions

Conditions	Yield
With n-butyllithium; hydrogen bromide In tetrahydrofuran; diethyl ether; hexane (i-Pr)2NH in ether mixed with n-BuLi in n-hexane at 0°C, THF added, cooled to -100°C, CH2Br2 in THF added under stirring over 1 h, kept for 30 min at this temp., BMe3 added, after 40 min aq. HBr added at -100°C, warmed to room temp.; filtered, washed (ether), concd., residue taked up (ether), Me2C(OH)C(OH)Me2 added, petroleum ether added, stirred for 1 h, org. phase separated and washed (H2O, 4 times), dried (Na2SO4), concd., distilled at 0.5 Torr (100-110°C); elem. anal.;	77%

Yield

With n-butyllithium; hydrogen bromide In tetrahydrofuran; diethyl ether; hexane (i-Pr)2NH in ether mixed with n-BuLi in n-hexane at 0°C, THF added, cooled to -100°C, CH2Br2 in THF added under stirring over 1 h, kept for 30 min at this temp., BMe3 added, after 40 min aq. HBr added at -100°C, warmed to room temp.; filtered, washed (ether), concd., residue taked up (ether), Me2C(OH)C(OH)Me2 added, petroleum ether added, stirred for 1 h, org. phase separated and washed (H2O, 4 times), dried (Na2SO4), concd., distilled at 0.5 Torr (100-110°C); elem. anal.;

77%

...Expand

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