18729-47-0Relevant academic research and scientific papers
New carboxylic acid amides of the pyrrole series: Synthetic routes and biological aspects
Walter, Harald
scheme or table, p. 351 - 362 (2009/01/31)
Complex II inhibitors play an important role in agrochemical fungicide research and have been known for more than 40 years. With the introduction of ortho-substituted heterocyclic amides, a breakthrough in activity level and spectrum within this class was achieved. In the meantime all major agrochemical companies have entered this field. In this paper, a special complex II subclass, the pyrrole carboxamides, will be introduced in more detail and the synthesis of selected compounds as well as a short biological SAR analysis of the pyrrole subclass will be discussed.
Cerium-catalyzed α-hydroxylation reactions of α-cyclopropyl β-dicarbonyl compounds with molecular oxygen
Christoffers, Jens,Kauf, Thomas,Werner, Thomas,Roessle, Michael
, p. 2601 - 2608 (2007/10/03)
Three α-cyclopropyl β-dicarbonyl compounds have been used as probes for α-radicals as electrophilic reaction intermediates in a cerium-catalyzed α-hydroxylation reaction with molecular oxygen. Since the cyclopropyl group did not ring-open to products with a butenyl moiety, but was retained in the products, a localized unpaired electron at the α position can be excluded during the course of the reaction. The α-cyclopropyl- substituted substrates were prepared by aldol or Claisen reactions. Other substrates with α-methyl, α-isopropyl, and α-tert-butyl substituents were prepared and converted under the α-hydroxylation conditions in order to estimate steric influences on the yield of the reaction. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.
MERCURY(II)-MEDIATED CYCLISATION OF HYDROPEROXYALKYLCYCLOPROPANES: A NEW ROUTE TO CYCLIC PEROXIDES
Bloodworth, A. J.,Korkodilos, Despoina
, p. 6953 - 6956 (2007/10/02)
Aldehydes, RCHO (R = Me, Et, iPr, and c-C6H11) have been converted via alkylation, cyclopropanation, oxidation, condensation with p-tosylhydrazine, reduction and perhydrolysis into 2-hydroperoxyalkylcyclopropanes RCH(OOH)CH2c-C3H5, and thence by cycloperoxymercuriation and reductive demercuriation into the corresponding 3-alkyl-5-ethyl-1,2-dioxolanes.
