We reported the environmental benign synthesis of chalcones,2-pyrazolines and cyclohexanones under microwave irradiation.Chalcones were obtained by the condensation of each of 2-hydroxyacetophenone derivatives with a-...
Supported by the National Natural Science Foundation of China(No.20877017);the National High Technology Research and Development Program of China (No.2007AA03Z314)
Naphthalene is a common environmental contaminant substance. The toxic effects of naphthalene on Caenorhabditis elegans were investigated at the molecular, biochemical and physiological levels. To assess the molecular...
Supported by the Ministry of Science and Technology of China(No.G2000078101);the National Natural Science Foun-dation of China(No.20172069)
The authors synthesized the electron-rich 1,5-dioxonaphthyl group incorporated foldamers, and linear donors and electron-deficient pyromellitic diimide incorporated foldamers, which were investigated in organic solven...
Supported by the National High Technology Research and Development Program of China(No.2006AA03Z543).
High performance polymers have received considerable attention over the past decade owing to their increased demands as replacements for metals or ceramics in automotive, aerospace, and microelectronic industries. Pol...
Poly( aryl ether ketone) copolymers containing 2,7-naphthylene and hydroquinone(HQ) moieties with various compositions were prepared by the reaction of 4,4'-difluorobenzophenone(DFB) 2,7-naphthylene and hydroqu...
The alkylation of methylnaphthalene(MN) with methanol in the presence of HZSM-5 is a promising route for producing 2,6-dimetylnaphthalene(2,6-DMN) with a high selectivity. However, the conversion of MN is very low...
H-type zeolites( HY, Hβ, and HM) were synthesized and characterized by XRD, NH3-TPD, and Py-IR. Selectively catalytic alkylation of naphthalene with n-hexanol to hexyl-naphthalene over the zeolites was carried out....
Supported by the National Natural Science Foundation of China(No.5 0 2 0 30 0 4 )
A new monomer, 1,4-bis(4-fluorobenzoyl) naphthalene(compound 2) was synthesized via a two-step reaction. 1,4-Naphthalenedicarboxylic acid chloride(compound 1) was prepared by using the acyl chlorization reaction of 1,...
The effects of the protic and aprotic polar solvents on the emission spectrum of the naphthalene-triethyl-amine system in THF were studied under conditions of steady-state illumination. The fluorescence spectrum of th...
Supportby the"86 3"Program(No. 2 0 0 1AA335 0 5 0 ) and the"973"Program(No. 2 0 0 3CB6 15 6 0 0 ) of the People's Re-public of China
A series of polybenzoxazoles(co)polymers bearing crankshaft units in the main chain was synthesized by the conventional solution polycondensation of 4,6-diaminorescinol dihydrochloride, terephthalic acid(TA) and 2,6-n...