CAS No.56792-69-9,(3,3-DIMETHYL-1-BUTYNE)DICOBALT HEXACARBONYL Suppliers

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Henan Tianfu Chemical Co., Ltd.

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Shanghai Minstar Chemical Co., Ltd

Product Name: (3,3-DIMETHYL-1-BUTYNE)DICOBALT HEXACARBONYL Synonyms: Dicobalt hexacarbonyl t-butylacetylene, 99%;(3,3-DIMETHYL-1-BUTYNE)DICOBALT HEXACARBONYL;(3,3-Dimethyl-1-butyne)dicobalthexacarbonyl,98%;Cobalt, hexacarbonyl[M-[(1,2-h:1,2-h)-

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Cobalt, hexacarbonyl[m-[(1,2-h:1,2-h)-3,3-dimethyl-1-butyne]]di-, (Co-Co) (9CI)

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(3,3-Dimethyl-1-butyne)dicobalt hexacarbonyl

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Antimex Chemical Limied

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Hydrazine, butyl-,hydrochloride (1:1)

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(3,3-DIMETHYL-1-BUTYNE)DICOBALT HEXACARBONYL CAS No.56792-69-9

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Hangzhou Fandachem Co.,Ltd

(3,3-DIMETHYL-1-BUTYNE)DICOBALT HEXACARBONYLAppearance: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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Strem Chemicals, Inc.

1.High Quality Specialty Chemicals2.Expertise and Experience in Manufacturing High Purity, High Quality Chemicals3.Long Term Focus in Inorganics, Organometallics and Metals4.ISO 9001 CertifiedAppearance:dark red liq.

(3,3-Dimethyl-1-butyne)dicobalt hexacarbonyl, 98% CCTBA

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Ereztech LLC

Element:CO Weight: 368.07Appearance:dark red liquid

(3,3-Dimethyl-1-butyne)dicobalt hexacarbonyl

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Dicobalt hexacarbonyl tert-butylacetylene Port:Atlanta

Cobalt, hexacarbonyl[m-[(1,2-h:1,2-h)-3,3-dimethyl-1-butyne]]di-, (Co-Co) (9CI)

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(3,3-DIMETHYL-1-BUTYNE)DICOBALT HEXACARBONYL

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Synthetic route

: 15226-74-1, 61091-28-9, 61117-58-6
dicobalt octacarbonyl

: 917-92-0
2,2-dimethyl-3-butyne

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

Conditions

Conditions	Yield
With ionic liquid-modified graphene oxide material at 30℃; for 10h; Inert atmosphere;	88.7%
In diethyl ether at 20℃; for 3h; Inert atmosphere;	71%
In diethyl ether at 20℃; for 3h; Inert atmosphere;	71%

: dicobalt octacarbonyl

: 917-92-0
2,2-dimethyl-3-butyne

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

Conditions

Conditions	Yield
In hexane N2-atmosphere; equimolar amts., room temp., few min; chromy. (SiO2, hexane);

: 917-92-0
2,2-dimethyl-3-butyne

: 15226-74-1, 61091-28-9, 61117-58-6
dicobalt octacarbonyl

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

Conditions

Conditions	Yield
In hexane (N2 or Ar); using Schlenk techniques; treatment of 1.0 equiv. of Co2(CO)8 with (t-Bu)CCH in hexane at room temp.;

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 201230-82-2
carbon monoxide

: Co2(CO)7(C4HO2C(CH3)3)

Conditions

Conditions	Yield
In hexane High Pressure; dry, deoxygenated solvent and gases; dissolution in hexane, charging into autoclave (Ar atmosphere), changing of Ar for CO, pressurization (p(CO) = 27 MPa), heating (90+/-5°C, 12 h, CO supplementation each hour), cooling (room temp., 40 min); filtration, concn., chromy. (silica gel, hexane); elem. anal.;	92%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: (-)-(1S,4S,6R,8R)-4-diphenylphosphino-11,11-dimethyl-5-oxa-3-thiatricyclo[6.2.1.0(1,6)]undecane borane complex

: [Co2(μ-Me3CCCH)(CO)4(μ-C23H27OPS)]

Conditions

Conditions	Yield
With DABCO In toluene byproducts: CO; charging of Co2(CO)6(HCC(t-Bu)), Me2C9H11SOPPh2BH3 (1 equiv.), DABCO (1.5 equiv.) and toluene in a Shlenk flask under N2, heating at 60°Cfor 20 h and then at 80°C under CO atmosphere for 66 h; monitoring by TLC, removal of solvent in vac., flash chromy. on SiO2, NMR analysis, as mixt. of two diastereoisomers in 2:1 ratio;	90%

: 15226-74-1, 61091-28-9, 61117-58-6
dicobalt octacarbonyl

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: C(CH3)3CH2CCo3(CO)9

Conditions

Conditions	Yield
With hydrogen In benzene reaction of complexes in benzene with 3-4 atm of H2 at 65°C for 5 days in a sealed vessel; filtration, evapn., chromy. (silica, hexane), recrystn. (methanol); elem. anal.;	80%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: (+)-(1S,4S,6R,8R)-4-diphenylphosphino-4,11,11-trimethyl-5-oxa-3-thiatricyclo[6.2.1.0(1,6)]undecane borane complex

: [Co2(μ-Me3CCCH)(CO)4(μ-C24H29OPS)]

Conditions

Conditions	Yield
With DABCO In toluene byproducts: CO; charging of Co2(CO)6(HCCCMe3), Me3C9H10SOPPh2BH3 (1 equiv.), DABCO (1.5 equiv.) and toluene in a Shlenk flask under N2, heating t 65°C for 18 h; filtration through a pad of silica (hexane/AcORt), NMR analysis, as mixt. of two diastereoisomers in 20:1 ratio;	80%

: 12176-06-6
hydrido(tricarbonyl)(cyclopentadienyl)molybdenum

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 87226-35-5
Co2(CO)6Mo(C5H5)(CO)2(CCH2C4H9)

Conditions

Conditions	Yield
In benzene 45°C, 20 h; elem. anal.;	75%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 121-45-9
phosphorous acid trimethyl ester

: 84896-06-0
H((CH3)3C)C2Co2(CO)5(P(OCH3)3)

Conditions

Conditions	Yield
In acetonitrile byproducts: CO; Electrolysis; inert gas; -0,82 V; 5 min; solvent was removed; chromatographed;	74%
In hexane byproducts: CO; inert gas; 3 h; boiling hexane; solvent was removed; chromatographed;	69%
With benzophenone ketyl In tetrahydrofuran byproducts: CO; inert gas; a small amount benzophenone ketyl was added to a solution ofthe Co-complex and the phosphite; 293 K; solvent was removed; chromatographed;	61%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 1605-53-4
diethyl-phenyl-phosphine

: 63395-25-5
Co2(CO)5(diethylphenylphosphine)(HCC-t-Bu)

Conditions

Conditions	Yield
In n-heptane N2-atmosphere; addn. of 2 equiv. of phosphine to Co-complex, stirring (30°C, 4 h); filtration, concn. (vac.), chromy. (SiO2, petroleum ether, dark red band), evapn.; elem. anal.;	60%

: 51501-24-7
2,3-bis(diphenylphosphino)maleic anhydride

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 179921-68-7, 179921-70-1
Co2(CO)4(2,3-bis(diphenylphosphino)maleic anhydride)(μ-t-BuC.tplbond.CH)

Conditions

Conditions	Yield
With Me3NO In tetrahydrofuran addn. of 2 equiv. Me3NO to equimolar mixt. of Co-complex and anhydride, stirring for 1 h; solvent removal, chromy. (-78°C, SiO2, CH2Cl2/petroleum ether=3:1), recrystn. (CH2Cl2/pentane); elem. anal.;	57%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 84896-07-1
H((CH3)3C)C2Co2(CO)5(P(C6H5)3)

Conditions

Conditions	Yield
With triphenyl phosphine In hexane inert gas; 3 h; boiling hexane; solvent was removed; chromatographed;	54%
With benzophenone ketyl; triphenyl phosphine In tetrahydrofuran byproducts: CO; inert gas; a small amount benzophenone ketyl was added to a solution ofthe Co-complex and the phosphine; 293 K; solvent was removed; chromatographed;	42%
With triphenyl phosphine In acetonitrile byproducts: CO; Electrolysis; inert gas; -0,82 V; 5 min; solvent was removed; chromatographed;	17%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 917-92-0
2,2-dimethyl-3-butyne

: Co2(CO)4C18H30

Conditions

Conditions	Yield
In petroleum ether	30%

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 148461-16-9
(S)-4-tert-butyl-2-[2-(diphenylphosphino)phenyl]-4,5-dihydro-1,3-oxazol

: [[2-[(4S)-4-(tert-bytyl)(1,3-oxazolin-2-yl)]phenyl]diphenylphosphine]Co2((CH3)3CCCH)(carbonyl)5

: [[2-[(4S)-4-(tert-bytyl)(1,3-oxazolin-2-yl)]phenyl]diphenylphosphine]Co2((CH3)3CCCH)(carbonyl)5

Conditions

Conditions	Yield
In toluene under N2; to a soln. of the Co complex in toluene was added the ligand, the mixt. was stirred at 70°C for 3 h; chromy. (SiO2);	A 21% B 16%

...Expand

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: C(CH3)3CH2CCo3(CO)9

Conditions

Conditions	Yield
In not given by heating, in acidic medium;
In not given by heating, in acidic medium;

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: Co2(CO)4(μ-η(2):η(2):η(1):η(1)-t-BuC=C(H)PPh2C=C(PPh2)C(O)OC(O))

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: Me3NO / tetrahydrofuran 2: 1,2-dichloro-ethane 3: 1,2-dichloro-ethane View Scheme

: 56792-69-9
(3,3-dimethyl-1-butynyl)hexacarbonyl dicobalt

: 179921-68-7, 179921-70-1
Co2(CO)4(2,3-bis(diphenylphosphino)maleic anhydride)(μ-HC.tplbond.C-t-Bu)

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Me3NO / tetrahydrofuran 2: 1,2-dichloro-ethane View Scheme

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