Roushown Ali
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View article: Effect of Flexible Chain on Mesomorphic Properties of Alkyloxy Substituted 4-Chloroazobenzene Liquid Crystals
Effect of Flexible Chain on Mesomorphic Properties of Alkyloxy Substituted 4-Chloroazobenzene Liquid Crystals Open
Three rod-shaped alkyloxy substituted 4-chloroazobenzene liquid crystals, 1-(4-chlorophenyl)-2-[4- (alkyloxy)phenyl]diazene (hexayl, octyl and nonyl as flexible oxyalkyl chain) have been synthesized by diazotization of p-chloroaniline with…
View article: Synthesis of azido end-functional polystyrene: Azidoethyl-2-bromo-2-methylpropanoate initiator and effect of time on polymerization
Synthesis of azido end-functional polystyrene: Azidoethyl-2-bromo-2-methylpropanoate initiator and effect of time on polymerization Open
Azidoethyl-2-bromo-2-methylpropanoate (AEBMP) has been synthesized from 2-azidoethanol and 2-bromo-2-methylpropionyl bromide under nitrogen atmosphere. The azido end-functional polystyrene (PS-N3) has been synthesized by Atom Transfer Radi…
View article: Synthesis of Cationic Pd(II) Complexes with 5-Membered Ring Chelating Iminoylcarbene Ligand and Its Catalytic Activity on Norbornene Polymerization
Synthesis of Cationic Pd(II) Complexes with 5-Membered Ring Chelating Iminoylcarbene Ligand and Its Catalytic Activity on Norbornene Polymerization Open
Iminoyl N-heterocyclic carbine ligand with cationic allyl Pd(II) complex (3) was successfully synthesized by transmetallation of corresponding Ag complex with one equivalent of [Pd(allyl)(COD)]+SbF6–. A slightly distorted square planer str…
View article: Synthesis of internal- and mid-alkyne functional polystyrene by atom transfer radical polymerization
Synthesis of internal- and mid-alkyne functional polystyrene by atom transfer radical polymerization Open
Well-defined alkyne functional polystyrenes were prepared using α-bromoesters 2-bromo-2-methyl-propionic acid-4-hydroxy-but-2-ynyl ester (BPE) and 2-bromo-2-methylpropionic acid-but-2-ynyl diester (BPDE) as initiator by Cu-mediated Atom Tr…
View article: Ytterbia doped nickel–manganese mixed oxide catalysts for liquid phase oxidation of benzyl alcohol
Ytterbia doped nickel–manganese mixed oxide catalysts for liquid phase oxidation of benzyl alcohol Open
Nickel–manganese mixed oxides doped with 1, 3, 5 mol% ytterbia have been prepared by co-precipitation method and used in the catalytic oxidation of benzyl alcohol. Catalytic activity of these oxides calcined at 400 °C and 500 °C was studie…
View article: Synthesis of Well-Defined Vinyl End-Functional Polystyrene Using Multifunctional Initiator by Atom Transfer Radical Polymerization
Synthesis of Well-Defined Vinyl End-Functional Polystyrene Using Multifunctional Initiator by Atom Transfer Radical Polymerization Open
Atom Transfer Radical Polymerization (ATRP) has proven to be a powerful technique to obtain polymers with narrow polydispersities and controlled molecular weight. It also offers control over chain-ends. N-allyl-2-bromopropinamide (ABPN) wa…