2,2'-Bipyridine,4,4'-bis(1,1-dimethylethyl)- supplier

Name
4 4'-DI-TERT-BUTYL-2 2'-DIPYRIDYL 98
EINECS
CAS No. 72914-19-3
Article Data12
CAS DataBase
Density 0.977 g/cm³
Solubility
Melting Point 159-161 °C(lit.)
Formula C₁₈H₂₄N₂
Boiling Point 395.4 °C at 760 mmHg
Molecular Weight 268.402
Flash Point 150.2 °C
Transport Information
Appearance
Safety 26-36
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 4,4'-Bis(t-butyl)-2,2'-bipyridine;4,4'-Bis(tert-butyl)-2,2'-bipyridine;4,4'-Di-t-butyl-2,2'-bipyridyl;4,4'-Di-tert-butyl-2,2'-bipyridine;4,4'-Di-tert-butyl-2,2'-bipyridyl;4,4'-Di-tert-butyl-2,2'-dipyridyl;4,4'-Di-tert-butylbipyridine;BBBPY;
PSA 25.78000
LogP 4.73860

Synthetic route

: 81167-60-4
2-chloro-4-(1,1-dimethylethyl)pyridine

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
With manganese; nickel(II) bromide trihydrate In N,N-dimethyl-formamide at 20 - 60℃; for 20h; Inert atmosphere;	90%

: 3978-81-2
4-tert-butylpyridine

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
With sodium In tetrahydrofuran; paraffin oil at 50℃; for 6h;	80%
With nickel In neat (no solvent) for 10h; Heating;	63.7%
With sodium amide at 145℃; for 6h; Dimerization;	6.79 g

: 3978-81-2
4-tert-butylpyridine

A: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

B: 4,4',4-tri-tert-butyl-2,2':6',2-terpyridine

Conditions

Conditions	Yield
With sodium In tetrahydrofuran; paraffin oil at 25℃; for 24h;	A 78% B 9%
Stage #1: 4-tert-butylpyridine With [(DippNacnac)Mg(2,2,6,6-tetramethylpiperidide)] In tetrahydrofuran at 70℃; Inert atmosphere; Stage #2: Overall yield = 51 %; Overall yield = 55 mg;

: 6-ethoxy-2,10-di-tert-butyldipyrido[1,2-c;2',1'-e]imidazolium tetrafluoroborate

A: 1187755-05-0
2,10-di-tert-butyldipyrido[1,2-c;2',1'-e]imidazol-6-one

B: 2,10-di-tert butyldipyrido[1,2-c:2',1'-e]imidazolium tetrafluoroborate

C: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
With sodium tetrahydroborate In water; acetonitrile at -30 - 20℃; Inert atmosphere;	A 9 %Spectr. B 77% C n/a

...Expand

: tetramethylammonium tris(pyrazolyl)borate

: (dtbpy)Ni(Ph)(CF3)

A: C16H15BF3N6Ni(1-)*C4H12N(1+)

B: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
In acetonitrile Inert atmosphere;	A 71% B n/a

...Expand

: tetramethylammonium tris(pyrazolyl)borate

: (dtbpy)Ni(Ph)(CF3)

A: C11H13BF3N6Ni(1-)*C4H12N(1+)

B: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
In acetonitrile Inert atmosphere;	A 41% B n/a

...Expand

: 6-ethoxy-2,10-di-tert-butyldipyrido[1,2-c;2',1'-e]imidazolium tetrafluoroborate

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
With sodium trimethoxyborohydride In acetonitrile Inert atmosphere;

: 1268488-94-3
6-dimethylamino-2,10-di-tert-butyldipyrido[1,2-c;2',1'-e]imidazolium chloride

A: 2,10-di-tert butyldipyrido[1,2-c:2',1'-e]imidazolium tetrafluoroborate

B: 2,2',10,10'-tetra-tert-butyl-6,6'-bis(dipyrido-[1,2-c;2',1'-e]imidazolium) bis-tetrafluoroborate

C: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: water; sodium hydroxide / 1.5 h / 100 °C / Inert atmosphere 2: acetonitrile / -35 - 20 °C / Inert atmosphere 3: sodium tetrahydroborate / acetonitrile / Inert atmosphere View Scheme

...Expand

: 1268488-94-3
6-dimethylamino-2,10-di-tert-butyldipyrido[1,2-c;2',1'-e]imidazolium chloride

A: 2,10-di-tert butyldipyrido[1,2-c:2',1'-e]imidazolium tetrafluoroborate

B: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: water; sodium hydroxide / 1.5 h / 100 °C / Inert atmosphere 2: acetonitrile / -35 - 20 °C / Inert atmosphere 3: sodium tetrahydroborate / acetonitrile / Inert atmosphere View Scheme
Multi-step reaction with 3 steps 1: water; sodium hydroxide / 1.5 h / 100 °C / Inert atmosphere 2: acetonitrile / -35 - 20 °C / Inert atmosphere 3: sodium tetrahydroborate / water; acetonitrile / -30 - 20 °C / Inert atmosphere View Scheme

: 1268488-94-3
6-dimethylamino-2,10-di-tert-butyldipyrido[1,2-c;2',1'-e]imidazolium chloride

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: water; sodium hydroxide / 1.5 h / 100 °C / Inert atmosphere 2: acetonitrile / -35 - 20 °C / Inert atmosphere 3: sodium trimethoxyborohydride / acetonitrile / Inert atmosphere View Scheme
Multi-step reaction with 3 steps 1: water; sodium hydroxide / 1.5 h / 100 °C / Inert atmosphere 2: acetonitrile / -35 - 20 °C / Inert atmosphere 3: potassium hydride / acetonitrile / Inert atmosphere View Scheme

: dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [(4,4′-ditert-butyl-2,2′-bipyridine)Rh(Cp*)Cl]Cl

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 4h;	100%

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 13939-06-5, 199620-15-0
molybdenum hexacarbonyl

: 82794-59-0
[Mo(CO)4(4,4'-di-tert-butyl-2,2'-bipyridine)]

Conditions

Conditions	Yield
In toluene Ar-atmosphere; refluxing equimolar amts. for 2 h; solvent removal, washing (pentane); elem. anal.;	99%
In toluene other Radiation; loading of glass vessel with toluene, Mo(CO)6 and di-t-Bu-bipy (1 equiv.) ; heating in the microwave oven at 110°C for 30 min; cooling to room temp.; transferring to Schlenk tube; washing with n-hexane and pentane; vac. drying;	92%

: (η5-indenyl)(η5-cyclopentadienyl)bis(acetonitrile)molybdenum(IV) tetrafluoroborate

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [(indenyl)Mo(cyclopentadienyl)(4,4'-di-tert-butyl-2,2'-bipyridine)][BF4]2

Conditions

Conditions	Yield
In acetone N2-atmosphere; stirring soln. of Mo-complex with bipyridine for 1 h at room temp.; evapn., recrystn. (CH2Cl2/Et2O); elem. anal.;	99%

: [Pt(IV)2Me8(μ-SMe2)2]

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 187602-00-2
[PtMe4(4,4'-di-tert-butyl-2,2'-bipyridine)]

Conditions

Conditions	Yield
In diethyl ether N2-atmosphere; stirring (15 min); evapn. (vac.); elem. anal.;	99%

: [(diphenylmethane(-2H))Pt(diethyl sulfide)]

: 7732-18-5
water

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [(diphenylmethane(-2H))Pt(4,4'-di-tert-butyl-2,2'-bipyridine)]*0.5water

Conditions

Conditions	Yield
In benzene-d6 byproducts: (CH3CH2)2S; Sonication; (inert atm.); addn. of bipyridine deriv. to suspn. of platinum compd. inC6D6, sonication for 1 min, refluxing for 5 min; evapn., washing with benzene and hexane, elem. anal.;	99%

...Expand

: 10026-10-5
uranium(IV) chloride

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: UCl4(4,4′-di-tert-butyl-2,2′-bipyridyl)2

Conditions

Conditions	Yield
In tetrahydrofuran for 16h;	99%

: sodium hexaflorophosphate

: dibromido-1,1'-dimethyl-3,3'-(1,3-propanediyl)dibenzimidazolin-2,2'-diylidenenickel(II)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: C37H44N6Ni(2+)*2F6P(1-)

Conditions

Conditions	Yield
Stage #1: dibromido-1,1'-dimethyl-3,3'-(1,3-propanediyl)dibenzimidazolin-2,2'-diylidenenickel(II); 4,4'-di-tert-butyl-2,2'-bipyridine In methanol at 20℃; for 2h; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: sodium hexaflorophosphate In methanol; water for 2h; Inert atmosphere; Schlenk technique; Glovebox;	99%

...Expand

: tetrakis(acetonitrile)copper(I)tetrafluoroborate

: 161265-03-8
4,5-bis(diphenylphosphino)-9,9-dimethylxanthene

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: C57H56CuN2OP2(1+)*BF4(1-)

Conditions

Conditions	Yield
Stage #1: tetrakis(acetonitrile)copper(I)tetrafluoroborate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In dichloromethane at 20℃; for 1h; Stage #2: 4,4'-di-tert-butyl-2,2'-bipyridine In dichloromethane at 20℃; for 1h;	99%

...Expand

: tetrakis(acetonitrile)copper(I)tetrafluoroborate

: 166330-10-5
bis[2-(diphenylphosphino)phenyl] ether

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: C54H52CuN2OP2(1+)*BF4(1-)

Conditions

Conditions	Yield
Stage #1: tetrakis(acetonitrile)copper(I)tetrafluoroborate; bis[2-(diphenylphosphino)phenyl] ether In dichloromethane at 20℃; for 1h; Stage #2: 4,4'-di-tert-butyl-2,2'-bipyridine In dichloromethane at 20℃; for 1h;	99%

...Expand

: 10025-99-7
potassium tetrachloroplatinate(II)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 138736-35-3
dichloro(4,4'-di-tert-butyl-2,2'-bipyridine)platinum(II)

Conditions

Conditions	Yield
With hydrogenchloride In methanol; water at 89.84℃; for 5h;	98%
With hydrogenchloride In chloroform; water at 95℃; for 24h; Inert atmosphere; Schlenk technique;	96.6%
In further solvent(s) N2-atmosphere, 6 N HCl; refluxing (6 h); filtering, washing (H2O, EtOH, Et2O), drying (vac., room temp., P2O5, several h); elem. anal.;	93.2%

: ammonium hexafluorophosphate

: [iridium(2',6'-dimethoxy-4-methyl-2,3'-bipyridine)2(μ-Cl)]2

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: C44H50IrN6O4(1+)*F6P(1-)

Conditions

Conditions	Yield
Stage #1: [iridium(2',6'-dimethoxy-4-methyl-2,3'-bipyridine)2(μ-Cl)]2; 4,4'-di-tert-butyl-2,2'-bipyridine In 2-ethoxy-ethanol at 130℃; for 14h; Inert atmosphere; Schlenk technique; Stage #2: ammonium hexafluorophosphate In 2-ethoxy-ethanol; water Inert atmosphere; Schlenk technique;	98%

...Expand

: ammonium hexafluorophosphate

: C48H44Cl2Ir2N8O8

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: C42H46IrN6O4(1+)*F6P(1-)

Conditions

Conditions	Yield
Stage #1: C48H44Cl2Ir2N8O8; 4,4'-di-tert-butyl-2,2'-bipyridine In 2-ethoxy-ethanol at 130℃; for 14h; Inert atmosphere; Schlenk technique; Stage #2: ammonium hexafluorophosphate In 2-ethoxy-ethanol; water Inert atmosphere; Schlenk technique;	98%

...Expand

: 17084-13-8
potassium hexafluorophosphate

: tetrakis[2-(4',6'-dimethoxy-3',5'-pyrimidyl)-4-methylpyridinato-N,C2']-bis(μ-chloro)diiridium(III)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: iridium(III) bis[2-(4',6'-dimethoxy-3',5'-pyrimidyl)-4-methylpyridinato-N,C2']-N,N'-(4,4'-di-tert-butyl-2,2'-bipyridine) hexafluorophosphate

Conditions

Conditions	Yield
Stage #1: tetrakis[2-(4',6'-dimethoxy-3',5'-pyrimidyl)-4-methylpyridinato-N,C2']-bis(μ-chloro)diiridium(III); 4,4'-di-tert-butyl-2,2'-bipyridine In methanol; dichloromethane at 40℃; for 19h; Inert atmosphere; Schlenk technique; Sealed tube; Stage #2: potassium hexafluorophosphate In dichloromethane; water at 20℃; for 1h; Inert atmosphere; Schlenk technique;	98%

...Expand

: 53152-44-6, 29666-18-0, 22512-00-1
bis(tetrahydrofurane)oxovanadium(IV) dichloride

: 75-09-2
dichloromethane

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: cis-[V(IV)OCl(4,4'-dtbipy)2]Cl*0.5CH2Cl2

Conditions

Conditions	Yield
In dichloromethane under Ar atm. to suspn. (VOCl2(THF)2) in CH2Cl2 4,4'-di-tert-butyl-2,2'-bipyridine was added and stirred for 1 h; react. mixt. was evapd. to dryness, residue was triturated with Et2O anddried in vacuo; elem. anal.;	97%

...Expand

: dichloro(1,5-cyclooctadiene)ruthenium(II)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [Ru(4,4'-di-tert-butyl-2,2'-bipyridine)2Cl2]

Conditions

Conditions	Yield
In N,N-dimethyl-formamide other Radiation; a suspn. of Ru-complex and bipyridine-compound in DMF was reacted for 45min under microwave irradiation (microwave set-up; 30 s, 600 W; 45 min, 200 W; 10 min, ventilation); the solvent was immediately removed on the rotary evaporator, the solid was washed with diethyl ether and dried on air;	97%

: 14104-20-2
silver tetrafluoroborate

: 53152-44-6, 29666-18-0, 22512-00-1
bis(tetrahydrofurane)oxovanadium(IV) dichloride

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: cis-[V(IV)O(BF4)(4,4'-dtbipy)2]BF4

Conditions

Conditions	Yield
In dichloromethane byproducts: AgCl; under Ar atm. to suspn. (VOCl2(THF)2) in CH2Cl2 4,4'-di-tert-butyl-2,2'-bipyridine and AgBF4 were added and stirred in absence of light at room temp. for 24 h; ppt. was filtered off, filtrate was evapd. to dryness, residue was triturated with Et2O and dried in vacuo; elem. anal.;	97%

...Expand

: 956591-75-6
[Rh(Cp(*))Cl2(NH2Me)]

: 73491-36-8
thallium(I) triflate

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [Rh(Cp(*))(NH2Me)(4,4'-di-tert-butyl-2,2'-bipyridine)](TfO)2

Conditions

Conditions	Yield
In acetone byproducts: TlCl; Tl salt and ligand added to a soln. of Rh complex, stirred for 7 h at room temp.; filtered, evapd. (vac.), Et2O added, filtered, suction-dried; elem. anal.;	97%

...Expand

: 1159373-59-7
N,N'-di-tert-butyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)phenylcarbamate

: 73183-34-3
bis(pinacol)diborane

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: N,N'-di-tert-butyl-2,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)phenylcarbamate

Conditions

Conditions	Yield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer In tetrahydrofuran at 80℃; for 16h; Inert atmosphere;	97%

...Expand

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 96259-26-6
4,4'-bis(1,1-dimethylethyl)-2,2'-bipyridine 1,1'-dioxide

Conditions

Conditions	Yield
With dihydrogen peroxide In water; acetic acid at 100℃; for 8h;	96%
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 48h; Ambient temperature;	78%

: tetrakis(dimethyl(phenyl)silylmethyl)-bis-(μ-dimethylsulphide)diplatinum(II)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: bis-(dimethyl(phenyl)silylmethyl)(4,4'-di-tert-butyl-2,2'-bipyridyl)platinum(II)

Conditions

Conditions	Yield
In toluene Ar atmosphere; standing (ambient temp., 4 d); removal of excess of ligand on washing with aq. FeSO4, concn., pptn. on addn. of hexane and cooling (-20°C); elem. anal.;	96%

: silver hexafluoroantimonate

: 53152-44-6, 29666-18-0, 22512-00-1
bis(tetrahydrofurane)oxovanadium(IV) dichloride

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: cis-[V(IV)O(SbF6)(4,4'-dtbipy)2]SbF6

Conditions

Conditions	Yield
In dichloromethane byproducts: AgCl; under Ar atm. to suspn. (VOCl2(THF)2) in CH2Cl2 4,4'-di-tert-butyl-2,2'-bipyridine and AgSbF6 were added and stirred in absence of light at roomtemp. for 24 h; ppt. was filtered off, filtrate was evapd. to dryness, residue was triturated with Et2O and dried in vacuo; elem. anal.;	96%

...Expand

: [Pd{C,N-C6H4{C(NH2)=NOH}-2}((4,4'-di-tert-butyl-bipyridine)2)]ClO4

: 3375-31-3
palladium diacetate

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [{Pd(4,4'-ditert-butylbipyridine)}2{C,N,N',O-C6H4{C(NH)=NO}-2}]ClO4

Conditions

Conditions	Yield
In acetone	96%

...Expand

: ammonium hexafluorophosphate

: 870987-64-7
bis-(μ)-chlorotetrakis[2-(2’,4’-difluorophenyl)-5-trifluoromethylpyridinato]-(C2,N)diiridium(III)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 870987-63-6
[4,4′-bis(1,1-dimethylethyl)-2,2′-bipyridine-N1,N1′]bis{3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-κN]phenyl-κC}iridium(III) hexafluorophosphate

Conditions

Conditions	Yield
Stage #1: bis-(μ)-chlorotetrakis[2-(2’,4’-difluorophenyl)-5-trifluoromethylpyridinato]-(C2,N)diiridium(III); 4,4'-di-tert-butyl-2,2'-bipyridine In ethylene glycol at 150℃; for 18h; Inert atmosphere; Stage #2: ammonium hexafluorophosphate In water for 0.333333h; Cooling with ice;	96%
Stage #1: bis-(μ)-chlorotetrakis[2-(2’,4’-difluorophenyl)-5-trifluoromethylpyridinato]-(C2,N)diiridium(III); 4,4'-di-tert-butyl-2,2'-bipyridine In ethylene glycol for 15h; Reflux; Inert atmosphere; Stage #2: ammonium hexafluorophosphate In water	75%
Stage #1: bis-(μ)-chlorotetrakis[2-(2’,4’-difluorophenyl)-5-trifluoromethylpyridinato]-(C2,N)diiridium(III); 4,4'-di-tert-butyl-2,2'-bipyridine In ethylene glycol at 150℃; for 15h; Inert atmosphere; Stage #2: ammonium hexafluorophosphate In water; ethylene glycol	74%
Stage #1: bis-(μ)-chlorotetrakis[2-(2’,4’-difluorophenyl)-5-trifluoromethylpyridinato]-(C2,N)diiridium(III); 4,4'-di-tert-butyl-2,2'-bipyridine In ethylene glycol at 150℃; for 15h; Inert atmosphere; Stage #2: ammonium hexafluorophosphate In water	121 mg

...Expand

: [Mo3S4(thiourea)8(H2O)]Cl4*4H2O

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: [Mo3S4Cl3(4,4'-di-tert-butyl-2,2'-bipyridine)3]Cl

Conditions

Conditions	Yield
In acetonitrile for 5h; Reflux;	96%

: [UO2Cl2(THF)2]2

: LiN(SiHMe2)tBu

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: (4,4′-di-tert-butyl-2,2′-dipyridine)UO2(N(SiHMe2)tBu)2

Conditions

Conditions	Yield
Stage #1: [UO2Cl2(THF)2]2; 4,4'-di-tert-butyl-2,2'-bipyridine In tetrahydrofuran for 0.166667h; Stage #2: LiN(SiHMe2)tBu In tetrahydrofuran at -108 - 20℃; for 0.5h;	96%

...Expand

: iron(II) tetrafluoroborate hexahydrate

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: Fe(4,4′-di(tert-butyl)-2,2′-bipyridine)3(BF4)2

Conditions

Conditions	Yield
In methanol at 20℃;	96%

: ammonium hexafluorophosphate

: 115542-47-7
trichloro(4,4',4''-tri-tert-butyl-2,2',6',2''-terpyridin)ruthenium(III)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 115542-51-3
{(4,4',4''-tri-tert-butyl-2,2',2''-terpyridine)(4,4'-di-tert-butyl-2,2'-bipyridine)RuCl}PF6

Conditions

Conditions	Yield
With triethylamine In ethanol; water refluxed; soxhlet extn. (toluene);	95%

...Expand

: perrhenic acid anhydride

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 167103-37-9
(4,4'-di-tert-butyl-2,2'-bipyridine)dirhenium heptaoxide

Conditions

Conditions	Yield
In tetrahydrofuran N2-atmosphere; stirring Re2O7 with 2 equiv. of base (20 min, pptn.); filtration, washing (THF, Et2O), drying (vac.); elem. anal.;	95%

: Re2(17)O7

: 10442-39-4
tetra-n-butylammonium cyanide

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 212397-74-5
(4,4'-bis(tert-butyl)-2,2'-bipyridine)cyano trioxorhenium(VII)

Conditions

Conditions	Yield
In tetrahydrofuran Ar-atmosphere; stirring equimolar amts. of Re2O7 and Bu4N-salt for 5 min, addn. of 1 equiv. of bipyridine derivative (pptn.), stirring for 15 min; filtration, washing (Et2O), drying (vac.); elem. anal.;	95%

...Expand

: tetrachloro(η-pentamethylcyclopentadienyl)tungsten(V)

: 72914-19-3
4,4'-di-tert-butyl-2,2'-bipyridine

: 242487-58-7
WCl3(C5(CH3)5)(C18H24N2)

Conditions

Conditions	Yield
With (Me2N)2C=C(NMe)2 In dichloromethane (N2); addn. of (Me2N)2C=C(NMe2)2 in CH2Cl2 to W complex and org. ligand in CH2Cl2 at room temp., stirring (room temp., 1 h); filtration (Celite), concn. (vac.), pptn. by addn. of Et2O, filtration, washing (Et2O and pentane), drying (high vac.); elem. anal.;	95%

2,2'-Bipyridine,4,4'-bis(1,1-dimethylethyl)- Specification

The 2,2'-Bipyridine,4,4'-bis(1,1-dimethylethyl)-, with the CAS registry number 72914-19-3, is also known as 4,4'-Di-tert-butyl-2,2' bipyridyl. It belongs to the product categories of C9 to C46; Heterocyclic Building Blocks; Pyridines. This chemical's molecular formula is C₁₈H₂₄N₂ and molecular weight is 268.3966. Its systematic name is called 4,4'-di-tert-butyl-2,2'-bipyridine.

Physical properties of 2,2'-Bipyridine,4,4'-bis(1,1-dimethylethyl)-: (1)ACD/LogP: 4.66; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.5; (4)ACD/LogD (pH 7.4): 4.66; (5)ACD/BCF (pH 5.5): 1422.32; (6)ACD/BCF (pH 7.4): 2041.34; (7)ACD/KOC (pH 5.5): 5665.36; (8)ACD/KOC (pH 7.4): 8131.04; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 25.78 Å²; (13)Index of Refraction: 1.522; (14)Molar Refractivity: 83.8 cm³; (15)Molar Volume: 274.5 cm³; (16)Polarizability: 33.22×10^-24cm³; (17)Surface Tension: 34.4 dyne/cm; (18)Density: 0.977 g/cm³; (19)Flash Point: 150.2 °C; (20)Enthalpy of Vaporization: 62.03 kJ/mol; (21)Boiling Point: 395.4 °C at 760 mmHg; (22)Vapour Pressure: 4.21E-06 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing when you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1.SMILES: n1ccc(cc1c2nccc(c2)C(C)(C)C)C(C)(C)C
2.InChI: InChI=1/C18H24N2/c1-17(2,3)13-7-9-19-15(11-13)16-12-14(8-10-20-16)18(4,5)6/h7-12H,1-6H3
3.InChIKey: TXNLQUKVUJITMX-UHFFFAOYAH

Product Name

4 4'-DI-TERT-BUTYL-2 2'-DIPYRIDYL 98

Synthetic route

2,2'-Bipyridine,4,4'-bis(1,1-dimethylethyl)- Specification

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