88738-83-4Relevant academic research and scientific papers
Ruthenium-catalyzed tandem olefin metathesis-oxidations
Scholte, Andrew A.,Mi, Hyun An,Snapper, Marc L.
, p. 4759 - 4762 (2007/10/03)
(Chemical Equation Presented) The utility of Grubbs' 2nd generation metathesis catalyst has been expanded by the development of two tandem olefin metathesis/oxidation protocols. These ruthenium-catalyzed processes provide cis-diols or α-hydroxy ketones from simple olefinic starting materials.
Control of regioselectivity by the lone substituent through steric and electronic effects in the nitrosoarene ene reaction of deuterium-labeled trisubstituted alkenes
Adam, Waldemar,Krebs, Oliver,Orfanopoulos, Michael,Stratakis, Manolis
, p. 8395 - 8399 (2007/10/03)
For the ene reaction of 4-nitronitrosobenzene (ARNO) with a variety of primary and secondary lone alkyl-substituted substrates, the twix/twin regioselectivity is constant at about 85:15. In contrast, for the lone tert-butyl group and for lone aryl substituents, the twix regioisomer is obtained exclusively. These regioselectivities have been rationalized in terms of steric interactions and coordination between the enophile and the substrates in the transition states of the first reaction step.
Single electron transfer in Michael induced ring closure reactions
Walborsky,Topolski
, p. 7681 - 7684 (2007/10/02)
Substituted cyclopropyl ether 3 is readily available from γ-bromoalkylidene malonate 2 via a Michael Induced Ring Closure (MIRC) reaction with sodium methoxide. Single Electron Transfer mechanism is suggested for the key cyclization step to account for th
DIRECT SYNTHESIS OF Z-UNSATURATED ESTERS. A USEFUL MODIFICATION OF THE HORNER-EMMONS OLEFINATION.
Still, W. Clark,Gennari, Cesare
, p. 4405 - 4408 (2007/10/02)
New phosphonoester reagents and reaction conditions are described which yield Z-alpha,beta-unsaturated esters stereoselectively and in high yield from aliphatic and aromatic aldehydes.
