Results 101 to 110 of about 14,858 (206)

A B3LYP/6-31G(d) study of Diels-Alder reactions between cyclopentadiene and (E)-2-arylnitroethenes

open access: yesOpen Chemistry, 2011
Jasiński Radomir   +2 more
doaj   +1 more source

Asymmetrische Katalyse durch Vitamin B12: Isomerisierung achiraler 1,4-Epiperoxide zu optisch aktiven 4-Hydroxycycloalk-2-en-1-onen

open access: yesCHIMIA, 1991
Achiral cyclic 1,4-epiperoxides undergo fast isomerization to optically active 4-hydroxycycloalk-2-en-1-ones in presence of catalytic amounts of cob(II)alamin (B12r).
Susi Essig, Rolf Scheffold
doaj   +2 more sources

Analyses of the Nmr Spectra of the Vinyl Protons of Cyclopentadiene and Cyclohexadiene Using Spin Decoupling [PDF]

open access: yes
Nuclear magnetic resonance spectra of vinyl protons of cyclopentadiene and cyclohexadiene from spin ...
Elleman, D. D., Manatt, S. L.
core   +1 more source

A novel addition polyimide adhesive [PDF]

open access: yes
An addition polyimide adhesive, LARC 13, was developed which shows promise for bonding both titanium and composites for applications which require service temperatures in excess of 533 K.
Progar, D. J., St.clair, T. L.
core   +1 more source

Cyclopentadiene evolution during pyrolysis-gas chromatography of PMR polyimides [PDF]

open access: yes
The effect of formulated molecular weight (FMW), extent of cure, and cumulative aging on the amount of cyclopentadiene (CPD) evolved from Polymerization of Monomeric Reactants (PMR) polyimides were investigated by pyrolysis-gas chromotography (PY-GC ...
Alston, William B.   +2 more
core   +1 more source

PMR polyimide composites for aerospace applications [PDF]

open access: yes
Fiber reinforced PMR polyimides are finding increased acceptance as engineering materials for high performance structural applications. Prepreg materials based on this novel class of highly processable, high temperature resistant polyimides, are ...
Serafini, T. T.
core   +1 more source

SYNTHESIS OF NORBORNENE FURYL ESTERS AND THEIR ENZYMATIC KINETIC RESOLUTION BY PIG LIVER ESTRASE (PLE) [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1999
The reaction of furylacrylic acid with cyclopentadiene in toluene gave the expected Diels-Alder endo-and exo-adductsin -1 : 1 ratio. The adducts were separated by iodolactonization method to provide 3-endo-(2'-furyl) bicyclo 12.2.11 hept-5-ene- 2-exo ...
doaj  

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