Table 3; Entry 4: tert-butyl
hexylcarbamate: [sup.1]H-NMR (CD[Cl.sub.3], 500 MHz): [delta] 3.0 (t, J = 9.0 Hz, 2H), 1.5 (s, 9H), 1.4 (m, 2H), 1.3 (m, 2H), 1.1 (t, J = 4.4 Hz, 4H), 0.8 (t, J = 4.4 Hz, 3H); IR (KBr): v 3350, 2900, 2800, 1690, 1520, 1100, 770, 640 [cm.sup.-1]; ESIMS: m/z 224 ([M.sup.+]+Na), 201, 144, 128, 73, 57.
Gonzo, "Catalytic reactivity of Cr/Si[O.sub.2] in the liquid phase oxidation of cyclohexanol by tert-butyl
hydroperoxide," Reaction Kinetics and Catalysis Letters, vol.
Decomposition rates of methyl tert-butyl
ether and its by-products by Fenton system in saline wastewaters.
Inhibitory effect of berberine on tert-butyl
hydroperoxide-induced oxidative damage in rat liver.
Potassium carbonate and potassium ferricyanide were used as a secondary oxidant in tert-butyl
alcohol-water mixture (1: 1).
The starting materials such as 7-methoxy-2,3-dihydro-[sup.1]H-inden-1-one (6), N-bromosuccinimide (NBS), 2,2,-azobisisobutyronitrile (AIBN), triethylamine, [alpha], [alpha], [alpha]' [alpha]',-tetrabromo-o-xylene, sodium iodide, boron tribromide, tert-butyl
chloride, and aluminum trichloride were purchased from Merck, ACROS, and Sigma-Aldrich.
Besides, the market prospect of tert-butyl
amines, polyisobutylene amines and tert-butyl
phenol antioxidants with high-purity isobutylene as raw material is also quite favorable.
The Total Return Index surged 2.07% and Al Rayan Islamic Index 2.61% in the week that saw Qatar Fuel Additives Company, an IQ subsidiary, announce its plans to enhance the production of MTBE (methyl tert-butyl
ether), a gasoline additive, in Mesaieed and Ras Laffan due to increasing demand for cleaner fuel.
Data for tert-butyl
1,3-dicyanopropan-2-ylcarbamate (4), Data for tert-butyl
1,3-dicyanopropan-2-ylcarbamate (4) 1HNMR (400 MHz, CDCl3): [delta] 1.41 (s, 9H); 2.73-2.82 (m, 4H,H-2 and H-4); 3.47-3.50 (m, 1H, H-3); 5.06 (bs, 1H, NHBoc).
The stoichiometry of complex was determined by means of the integration data between the tert-butyl
protons in OXA and H1' proton of the HP-[beta]-CD .
The Rabigh expansion packages secured by Korea's GS are CP3 and CP4, and involve plants for the production of ethylene-vinylacetate, low density polyethylene and ethylene propylene, methyl tert-butyl
ether and methyl methacrylate.
KEYWORDS / Butanol / Entropy / Interfacial Tension / Spinning Drop / TBA / Tert-Butyl