Results 181 to 190 of about 14,858 (206)
Some of the next articles are maybe not open access.
Organic Letters
Described herein is a nickel(II)-catalyzed regioselective rearrangement of 5,5-disubstituted cyclopentadienes to fully functionalized CH2-cyclopentadienes via successive 1,5-sigmatropic shifts of the ester group on the quaternary carbon and hydrogen under mild basic conditions.
Hongyan Bi +3 more
openaire +2 more sources
Described herein is a nickel(II)-catalyzed regioselective rearrangement of 5,5-disubstituted cyclopentadienes to fully functionalized CH2-cyclopentadienes via successive 1,5-sigmatropic shifts of the ester group on the quaternary carbon and hydrogen under mild basic conditions.
Hongyan Bi +3 more
openaire +2 more sources
Zur Kenntnis des Cyclopentadiens und Methyl‐cyclopentadiens.
Berichte der deutschen chemischen Gesellschaft (A and B Series), 1933N. D. Zelinsky, R. J. Lewina
openaire +1 more source
1994
1,2,3,4-Tetramethylfulvene reacts with lithium tert-butylamide, lithium anilide and lithium tert-butylphosphide to give, after hydrolysis, the corresponding substituted cyclopentadiene systems 1-3 in high yield.
HEIDEMANN, T, Jutzi, Peter
openaire +1 more source
1,2,3,4-Tetramethylfulvene reacts with lithium tert-butylamide, lithium anilide and lithium tert-butylphosphide to give, after hydrolysis, the corresponding substituted cyclopentadiene systems 1-3 in high yield.
HEIDEMANN, T, Jutzi, Peter
openaire +1 more source
Tetrachlor-diazo-cyclopentadien aus Hexachlor-cyclopentadien
Angewandte Chemie, 1964openaire +1 more source
Chlorination of cyclopentadiene
The Journal of Organic Chemistry, 1974Victor L. Heasley +4 more
openaire +1 more source
Cyclopentadienyldicarbonyl (?-cyclopentadiene) niobium
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1970A. N. Nesmeyanov +3 more
openaire +1 more source