formaldehyd
p-cresol
tert-butyl methyl ether
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With sulfonated multi-walled carbon nanotubes In neat (no solvent) at 100℃; for 2.5h; Catalytic behavior; regiospecific reaction; | 100% |
Dimethoxymethane
2-tert-Butyl-4-methylphenol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With acid clay at 170℃; for 2h; Reagent/catalyst; Temperature; | 97% |
With sulfuric acid at 60 - 70℃; for 2h; | 70% |
With cation exchanger KU-2; sulfuric acid at 100℃; for 3h; Kinetics; Mechanism; Rate constant; other time, other temperature; |
formaldehyd
2-tert-Butyl-4-methylphenol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With sodium tetramethoxyborate In dimethyl sulfoxide at 150℃; for 0.5h; Reagent/catalyst; Temperature; Solvent; | 95% |
In xylene at 175℃; for 10h; | 85% |
With montmorillonite KSF In octane for 2h; Reflux; | 79% |
formaldehyd
2,4-di-tert-Butylphenol
A
2,2'-methylenebis(4,6-di-tert-butylphenol)
B
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With montmorillonite KSF In n-heptane for 2h; Reflux; | A 85% B 77% |
formaldehyd
2-tert-Butyl-4-methylphenol
A
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In toluene at 100℃; for 1h; Condensation; acetalisation; | A 35% B 48% |
Dimethoxymethane
2-tert-Butyl-4-methylphenol
A
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
B
2-(tert-butyl)-6-(methoxymethyl)-4-methylphenol
Conditions | Yield |
---|---|
With ion-exchange resin at 100℃; Product distribution; |
formaldehyde diethyl acetal
2-tert-Butyl-4-methylphenol
A
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With ion-exchange resin at 100℃; Product distribution; |
2-tert-Butyl-4-methylphenol
2-(tert-butyl)-6-(methoxymethyl)-4-methylphenol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With cation exchanger KU-2; sulfuric acid at 100℃; for 3h; Kinetics; Mechanism; Rate constant; other time, other temperature; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / 60 °C 2: aq.-ethanolic HCl View Scheme |
Dimethoxymethane
2-tert-Butyl-4-methylphenol
sulfuric acid
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
at 100℃; |
6-tert-butyl-2-(2'-methoxy-3'-tert-butyl-5'-methylbenzyl)-4-methylphenol
A
2-tert-Butyl-6-methylphenol
B
2,4-dimethyl-6-tert-butylphenol
C
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With zinc(II) oxide; sodium hydroxide In methanol at 220℃; for 4h; |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
A
1-methoxy-2-propanol
B
Hexadecane
C
2,6-di-tert-butyl-4-methyl-phenol
D
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
E
NSC 59850
Conditions | Yield |
---|---|
With montmorillonite K10-immobilized ZnO nanocomposite pH=4.5; Catalytic behavior; Reagent/catalyst; pH-value; Concentration; Sonication; |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium(IV)isopropoxide
bis(2,2'-methylene-bis(6-t-butyl-4-methylphenoxide))titanium
Conditions | Yield |
---|---|
In diethyl ether Ar atmosphere, addn. of Ti compound to soln. of phenol at room temp., stirring (room temp., 2 h); removement of volatiles, drying (120°C); elem. anal.; | 99% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
(cyclopentadienyl)Nb(2,2'-methylenebis(6-tert-butyl-4-methylphenoxo))(tetrahydrofuran)2
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar); a soln. of ligand added slowly to a soln. of Nd complex, stirred for 1 h at 40°C; evapd. (vac.), extd. (toluene), crystd. at -10°C; elem. anal.; | 99% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
CpY(2,2'-methylene-bis(6-tert-butyl-4-methyl-phenoxo)(tetrahydrofuran)2
Conditions | Yield |
---|---|
In tetrahydrofuran under Ar; a THF soln. of a ligand (4.50 mmol) was slowly added to a THF soln. of Y-contg. compd. (3.45 mmol); the mixt. was stirred for 6 h at 50°C; the solvent was removed under vac.; toluene was added; crystals were obtained from toluene at -5°C; elem. anal.; | 99% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In acetonitrile at 75℃; for 1.5h; | 98% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium tetramethoxide
dimethoxy[2,2'-methylenebis(6-tert-butyl-4-methylphenoxy)]titanium
Conditions | Yield |
---|---|
In hexane Ar atmosphere, stirring (room temp., 3 d); filtration, washing (hexane), drying (vacuum); elem. anal.; | 97% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
N,N'-bis(dichlorophosphino)aniline
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at -5 - 25℃; | 95% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
acrylic acid
2-(2-hydroxy-3-tert-butyl-5-methylbenzyl)-4-methyl-6-tert-butylphenyl acrylate
Conditions | Yield |
---|---|
With triethylamine; trichlorophosphate In nitrogen; toluene | 95% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
acryloyl chloride
2-(2-hydroxy-3-tert-butyl-5-methylbenzyl)-4-methyl-6-tert-butylphenyl acrylate
Conditions | Yield |
---|---|
With triethylamine In nitrogen; toluene | 95% |
With triethylamine In nitrogen; toluene | 72.7% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
trimethylaluminum
bis[Al(methyl)(2,2'-methylenebis(6-tert-butyl-4-methylphenolato))] complex
Conditions | Yield |
---|---|
In hexane byproducts: CH4; under Ar, std. Schlenk or glovebox techniques; soln. of Al(CH3)3 added slowly; heat observed; mixt. cooled; ppt. filtered off; washed with cold hexane; dried in vac.; elem. anal.; | 95% |
In hexane; toluene under Ar; 2 M soln. of AlMe3 in hexane added to soln. of bis(phenol) in toluene at room temp. (molar ratio = 1:1), mixt. stirred for 5 h; solid filtered off and washed twice with hexane; elem. anal.; | 65% |
In hexane; toluene Ar; hexane soln. of AlMe3 added to toluene/hexane soln. of ligand (1:1 molar ratio) at -78°C, slowly warmed to room temp., stirred for 8 h under O2; ppt. filtered off, washed (hexane), elem. anal.; | 52% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
With sodium In tetrahydrofuran at 20℃; for 12h; Inert atmosphere; | 95% |
poly(methacrylic acid)
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
2-(2-hydroxy-3-tert-butyl-5-methylbenzyl)-4-methyl-6-tert-butylphenyl acrylate
Toluene-2-sulfonyl chloride
2-t-butyl-6-[1-(3-t-butyl-2-hydroxy-5-methylphenyl)ethyl]-4-methylphenyl acrylate
Conditions | Yield |
---|---|
With triethylamine In nitrogen; toluene | 94% |
methanol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
2,4-dimethyl-6-tert-butylphenol
Conditions | Yield |
---|---|
With zinc(II) oxide; sodium hydroxide at 250℃; for 8h; | 94% |
tetrahydrofuran
methanol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
[(2,2'-methylenebis(6-tert-butyl-4-methylphenoxo))Nd(μ-OMe)(tetrahydrofuran)2]2
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar); a soln. of 2,2'-methylenebis(6-tert-butyl-4-methylphenol) added slowly to a soln. of Nd complex at 40°C, stirred for 1 h at 40°C, methanol added, stirred overnight at room temp.; centrifuged; also isolated from the concd. soln.; elem. anal.; | 93% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium(IV)isopropoxide
methylenebis(6-tert-butyl-4-methylphenoxy-2-yl) diisopropoxytitanium(IV)
Conditions | Yield |
---|---|
In diethyl ether Ar atmosphere, addn. of soln. of phenol to soln. of Ti compound at 0°C; concn., crystn. (-20°C), filtration; elem. anal.; | 92% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
CpLa(2,2'-methylene-bis(6-tert-butyl-4-methyl-phenoxo)(tetrahydrofuran)3
Conditions | Yield |
---|---|
In tetrahydrofuran under Ar; a THF soln. of a ligand (4.50 mmol) was slowly added to a THF soln. of La-contg. compd. (3.00 mmol); the mixt. was stirred for 6 h at 50°C; the solvent was removed under vac.; toluene was added; crystals were obtained from toluene at -5°C; elem. anal.; | 92% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
titanium tetrachloride
methylenebis(6-tert-butyl-4-methylphenoxy-2-yl) dichlorotitanium(IV)
Conditions | Yield |
---|---|
In hexane Ar atmosphere, addn. of TiCl4 to soln. of phenol, stirring (room temp., 24 h); crystn. (-20°C, 18 h), filtration, drying (vacuum); elem. anal.; | 91% |
In hexane byproducts: HCl; TiCl4 was dropped to a soln. of MBPH2 in hexane. After 12 h standing at room temp. red crystals are formed.; | 88% |
In hexane byproducts: HCl; under nitrogen, stirring for 12 h; filtration, washing with pentane; | 88% |
In hexane at -40 - 20℃; for 16h; | 69% |
diethyl ether
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
triisobutylaluminum
(diethyl ether)-isobutyl-(2,2'-methylene-bis(4-methyl-6-tert-butylphenolato))aluminum(III)
Conditions | Yield |
---|---|
In diethyl ether; hexane dry N2-atmosphere; addn. of Al-i-Bu3 (in hexane) to 1 equiv. ligand (in Et2O) at 0°C, stirring for 2 h; evapn. (vac.), extn. into Et2O, filtration, concn., crystn. (4°C); elem. anal.; | 91% |
In diethyl ether byproducts: isobutane; under Ar; soln. of 2,2'-methylene-bis(6-tert-butyl-4-methylphenol) added to soln. of triisobutylaluminum (5 min, room temp.); stirred (2 h); ether removed; solid recrystd. (Et2O); elem.anal.; | 63% |
borane-THF
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaborocine
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: H2; (N2); after stirring in THF removal of volatiles in vacuo and heating to100°C for 90 min; crystn. (hexane); elem. anal.; | 91% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In toluene under N2; soln. of ligand in toluene added to suspn. of Sm(AlMe4)2 in toluene; brought to boiling; vol. reduced; cooled to room temp.; crystd. for 24 h; elem. anal.; | 91% |
tetrahydrofuran
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
at 50℃; for 6h; Schlenk technique; Inert atmosphere; | 91% |
bis[N,N-bistrimethylsilylamido]bis(tetrahydrofuran)ytterbium(II)
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
bis(2,2'-methylenebis(6-tert-butyl-4-methylphenolate))tetrakis(tetrahydrofuran)diytterbium(II)
Conditions | Yield |
---|---|
In hexane; toluene under Ar; addn. of a soln. of ytterbium complex in hexane to a soln. of ligand in toluene, stirring at room temp. for 5 h; centrifugation, ppt. washed with hexane; elem. anal.; | 90.1% |
methanol
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
trimethyl indium
[Me6In3(OMe)(2,2'-methylenebis(4-methyl-6-tert-butylphenolate)]
Conditions | Yield |
---|---|
In methanol; diethyl ether byproducts: CH4; (N2); std. Schlenk technique; soln. of MeOH in Et2O was added to stirredsoln. of Me3In in Et2O at -76°C; warmed to room temp.; soln. of ligand in Et2O was added at -76°C; filtered; washed (Et2O); dried (vac.); elem. anal.; | 90% |
N,N,N,N,N,N-hexamethylphosphoric triamide
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
Conditions | Yield |
---|---|
In toluene at 20 - 100℃; Inert atmosphere; | 90% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaborocine
Conditions | Yield |
---|---|
With dimethylsulfide borane complex In toluene for 18h; Reflux; | 90% |
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
dimethyl sulfide borane
4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaborocine
Conditions | Yield |
---|---|
In toluene under N2; phenol-compd. added to B-compd. in toluene, heated at reflux for 18 h; | 90% |
Sm(N(SiMe3)2)2(THF)2
2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane
bis(2,2'-methylenebis(6-tert-butyl-4-methylphenolate))hexakis(tetrahydrofuran)disamarium(II)
Conditions | Yield |
---|---|
In hexane; toluene under Ar; addn. of a soln. of samarium complex in hexane to a soln. of ligand in toluene, stirring at room temp. for 5 h; centrifugation, ppt. washed with hexane; elem. anal.; | 89.6% |
The CAS register number of 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) is 119-47-1. It also can be called as 6,6'-Di-tert-butyl-2,2'-methylenedi-p-cresol and the IUPAC name about this chemical is 2-tert-butyl-6-[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenol. The molecular formula about this chemical is C23H32O2 and the molecular weight is 340.50. It belongs to the following product categories, such as Industrial/Fine Chemicals; Organics; Diphenylmethanes (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research; Polymer Additives; Polymer Science; Stabilizers and so on. This chemical can be used in styrenic and olefin polymers and polyoxymethylene homo and copolymers.
Physical properties about 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) are: (1)ACD/LogP: 7.03; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.03; (4)ACD/LogD (pH 7.4): 7.03; (5)ACD/BCF (pH 5.5): 129927.87; (6)ACD/BCF (pH 7.4): 129912.6; (7)ACD/KOC (pH 5.5): 159208.34; (8)ACD/KOC (pH 7.4): 159189.64; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 18.46Å2; (13)Index of Refraction: 1.55; (14)Molar Refractivity: 105.75 cm3; (15)Molar Volume: 331.6 cm3; (16)Polarizability: 41.92x10-24cm3; (17)Surface Tension: 37.3 dyne/cm; (18)Enthalpy of Vaporization: 71.02 kJ/mol; (19)Boiling Point: 428.6 °C at 760 mmHg; (20)Vapour Pressure: 6E-08 mmHg at 25°C.
Preparation: this chemical can be prepared by formaldehyde and 2-tert-butyl-4-methyl-phenol. This reaction will need reagent KOH.
Uses of 2,2'-Methylenebis(6-tert-butyl-4-methylphenol): it can be used to produce 2-(2-Hydroxy-5-methylbenzyl)-6-tert-butyl-4-methylphenol at temperature of 25 ℃. This reaction will need reagent AlCl3 and solvent toluene with reaction time of 2 hours. The yield is about 60%.
Antioxidant 264 can be produced by the reaction of P-cresol with Isobutylene, and this chemical can be used to produce the intermediate product of 2 - tert-Butyl -4-- cresol, this intermediate product can react with Formaldehyde to produce 2,2'-Methylenebis(6-tert-butyl-4-methylphenol).
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes. When you are using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: Oc1c(cc(cc1C(C)(C)C)C)Cc2cc(cc(c2O)C(C)(C)C)C
(2)InChI: InChI=1/C23H32O2/c1-14-9-16(20(24)18(11-14)22(3,4)5)13-17-10-15(2)12-19(21(17)25)23(6,7)8/h9-12,24-25H,13H2,1-8H3
(3)InChIKey: KGRVJHAUYBGFFP-UHFFFAOYAD
(4)Std. InChI: InChI=1S/C23H32O2/c1-14-9-16(20(24)18(11-14)22(3,4)5)13-17-10-15(2)12-19(21(17)25)23(6,7)8/h9-12,24-25H,13H2,1-8H3
(5)Std. InChIKey: KGRVJHAUYBGFFP-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | oral | 11gm/kg (11000mg/kg) | Journal of Toxicological Sciences. Vol. 19, Pg. 77, 1994. | |
rat | LDLo | oral | 10gm/kg (10000mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(8), Pg. 28, 1973. |
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