A further improvement in the molecular weight to nearly 40,000 daltons, well within the range that is technically interesting, was achieved by using 1,2-dimethoxybenzene or 1,3-dimethoxybenzene as the polymerization solvent. 1995 John Wiley & Sons, Inc....
Low molecular weight atactic polypropylene (APP) was functionalized with 4-allyl-2-methoxyphenol (eugenol), 4-allyl-1,2-dimethoxybenzene (DMAB), 4-propenylanisole(trans-anethole), cis-2,4,5-trimethoxypropenylbenzene (#beta#-asarone) and 4-allyl-2,6-dimethoxyphenol (ADMP) in the presence of...
The low molecular weight dendritic polymers of this instant invention (herein called "dendroids") are of formula ##STR2## or a pharmaceutically acceptable salt thereof wherein: A is a "core" monomer such as 1,2,3,5-tetrasubstituted or 1,2,4- or 1,3,5-trisubstituted benzene; 2,3,4...
What is its molecular weight? What alcohol is an isomer of dimethyl ether? *Express answer as a condensed structural formula. What is the condensed structural formula for 1,2-dimethoxybenzene? What is the condensed structural formula of 2-pentene? What is the condensed structural formula for 3-...
A series of inorganic and organic compounds, including AgNO3(Ag+), CuSO4(Cu2+), FeCl3(Fe3+), CrCl3(Cr3+), NiCl2(Ni2+), CoCl2(Co2+), sudan II (SD), 1,4-bis-(α-cyano-4-methoxystyryl)−2,5-dimethoxybenzene (BDD), and tetrakis(4-hydroxyphenyl)ethylene (AIE), was selected to...
Preparation of 1-amino-3,5-difluoro-2,4-dimethoxybenzene (2): The nitro group of 3,5-difluoro-2,4-dimethoxynitrobenzene (10.9 g, 49.7 mmol) is reduced by catalytic hydrogenation at 40 psi in ethanol/ethyl acetate over 10% Pd/carbon. Progress is monitored by TLC. When the reaction is...
Number average molecular weight (M n ), intrinsic viscosity ([η]) and glass transition temperature (T g ) of low molecular weight atactic polypropylene (APP) grafted with 4-allyl-1,2-dimethoxybenzene (DMAB), 4-allyl-2-methoxyphenol (eugenol) and 4-propenylanisole (trans-anethole) in the ...
an organo aluminium compound having the formula AlR3 in which R is a hydrocarbon radical containing 1-10 carbon atoms, and III. an external electron donor selected from the group of 1,2-dimethoxybenzene, 1,2,4-trimethoxybenzene, 1,2-diethoxybenzene, 2,3-dimethoxytoluene, 1-allyl-3,4-...
Low molecular weight atactic polypropylene (APP) was functionalized with 4-allyl-2-methoxyphenol (eugenol), 4-allyl-1,2-dimethoxybenzene (DMAB), 4-propenylanisole(trans-anethole), cis-2,4,5-trimethoxypropenylbenzene (β-asarone) and 4-allyl-2,6-dimethoxyphenol (ADMP) in the presence of ...
an organo aluminium compound having the formula AlR3 in which R is a hydrocarbon radical containing 1-10 carbon atoms, and III. an external electron donor selected from the group of 1,2-dimethoxybenzene, 1,2,4-trimethoxybenzene, 1,2-diethoxybenzene, 2,3-dimethoxytoluene, 1-allyl-3,4-...