Conversion of 1and 2-tetralone was investigated over acid HY zeolite under various reaction conditions in the vapor phase. Reactions were conducted in a fixed-bed reactor at 300, 400 and 500 C in hydrogen atmospheric pressure. It was found that 1and 2-tetralone are thermally unstable and thermal reaction has a contribution, particularly at high temperatures. The reactivity of 2-tetralone was si...

There are two independent mol-ecules in the asymmetric unit of the title compound, C(21)H(21)NO(2), which was synthesized by the one-pot reaction of 2-naphthol, morpholine and benzaldehyde. The dihedral angles between the naphthalene ring systems and the benzene rings are 84.03 (7) and 75.76 (8)° in the two mol-ecules and an intra-molecular O-H⋯N hydrogen bond occurs in each independent mol-ecule.

The title compound, C(26)H(24)O(3), was synthesized via the coupling of 2-methoxy-benzaldehyde, 2-naphthol and 5,5-dimethyl-cyclo-hexane-1,3-dione. The pyran ring adopts a boat conformation, while the cyclo-hexenone ring is in an envelope conformation. The 2-methoxy-phenyl ring is almost perpendic-ular to the plane through the four C atoms of the pyran ring [dihedral angle = 88.76 (9)°].

In the title compound, C(23)H(25)NO, the dihedral angle between the naphthyl-ene ring system and the benzene ring is 78.17 (10)°. The mol-ecular conformation is stabilized by a strong intra-molecular O-H⋯N hydrogen bond.

1. The purification to homogeneity of stable highly active preparations of UDP-glucuronyltransferase from liver of phenobarbital-treated rats is briefly described. 2. A single polypeptide was visible after sodium dodecyl sulphate/polyacrylamide-gel electrophoresis, of mol.wt.57000. 3. Antiserum raised against the pure enzyme produces a single sharp precipitin line after Ouchterlony double-diffu...

Abstract Hydrochar a carbon-rich material resulting from hydrothermal carbonization of biomass, has received substantial attention because its potential application in various areas such as carbon sequestration, bioenergy production and environmental amelioration. A series hydrochars were prepared by metal chloride-assisted rice husk characterized elemental analysis, zeta potential, X-ray diffr...