The exo and endo transition structures for the ene reaction of methyl acrylate with propene have been located with RHF calculations at the 3-21G and 6-31G levels. Energetics have been evaluated with the 6-31G* basis set and MP2 correlation energy correction. The transition-state geometries ...
2-methyl-3-phenylpentanoic acid View Solution Write down structure of the following compounds: 4-methyl-2-pentanone View Solution Write down structure of the following compounds: 2-methyl-2-propene-1,1-dicarboxylic acid View Solution Exams
Synthesis of unsaturated organoselenium compounds via the reaction of organic diselenides with 2,3-dichloro-1-propene in the hydrazine hydrate-KOH system Dimethyldiselenide reacts with 2,3-dichloro-1-propene at 20–25°C in the hydrazine hydrate-KOH medium to form 2-chloro-3-methylselanyl-1-pr...
Propene polymerization using homogeneous methylalumoxane (MAO)-activated rac -Me 2 Si(2-Me-Benz[e]Ind) 2 ZrCl 2 was studied as a function of both metalloc... S Jüngling,R Mülhaupt - 《Journal of Organometallic Chemistry》 被引量: 103发表: 1995年 Concentration effects of methylalumoxane...
The structure of isopropenyl radical has been calculated using ab initio MO theory. It was found that C C bond is longer and C C bond is shorter than those in propene. Vibrational frequencies of isopropenyl radical (C C stretching, HCH bending, CH2 out of plane wagging, and CCC bending) ...
Crystal structure of [(trimethylsilyl)-bis(dimethylaminoboryl)amino]- (trimethylsilylamino)-(dimethylamino)-borane, [(Me3Si)NH(BNMe2)]N[B(NMe2)2](SiMe3). Zeitschrift für Kristallographie - New Crystal Structures. 2002;217(JG): 95-96. https://doi.org/10.1524/ncrs.2002.217.jg.95 Copied...
The reaction is thought to be initiated by an insertion of ethene into the NiCHbond of to form the intermediate [(dbpe)Ni(CH)(OSOCF)] (), followed by elimination of propene to give the hydride intermediate [(dbpe)Ni(H)(OSOCF)] (), which on insertion of ethene into the NiH bond ...
The molecular weight and molecular weight distribution of polyethene prepared with a modified-polypropene-supported Ziegler catalyst were investigated in t... Hideharu,Mori,Kouki,... - 《Macromolecular Chemistry & Physics》 被引量: 82发表: 1998年 Crystal structure and mechanical properties of UHMWPE...
Draw the structure of the major organic product: 2-methylpropene + H_2/Ni/(EtOH-solvent)/high pressure to (a) Draw the organic starting material needed to produce the products below. (b) Draw the skeletal structure of the major organic product. ...
What is the structural formula for propene? What is the structure of the compound isoprene? What is the resonating structure of chlorobenzene? What is the structure of 1-pentyl p-aminobenzoate? What is hyperconjugation? What is the structure of 1-bromo-3-methyl-2,4-dihexene-4-cyclohexene? Wh...