PdII‐Catalyzed Spiroannulation of Cyclic N‐Sulfonyl Ketimines with Aryl Iodides through C–H Bond Activation
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DOI: 10.1002/ejoc.201700569
Abstract: A new strategy has been developed for the first time for the synthesis of spirofluorenyl benzosultams through the annulation of aryl iodides with cyclic N-sulfonyl ketimines. This method involves a readily available Pd(II) catalyst for… read more here.
Keywords: pdii catalyzed; aryl iodides; catalyzed spiroannulation; activation ... See more keywords
Synthesis of Sultams and Cyclic N-Sulfonyl Ketimines via Iron-Catalyzed Intramolecular Aliphatic C-H Amidation.
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DOI: 10.1021/acs.orglett.9b01732
Abstract: Cyclic sulfonamides (sultams) play a unique role in drug discovery and synthetic chemistry. A direct synthesis of sultams by an intramolecular C(sp3)-H amidation reaction using an iron complex in situ derived from Fe(ClO4)2 and aminopyridine… read more here.
Keywords: iron catalyzed; synthesis sultams; cyclic sulfonyl; iron ... See more keywords
Asymmetric organocatalyzed reaction sequence of 2-hydroxy cinnamaldehydes and acyclic N-sulfonyl ketimines to construct diverse chiral bridged polycyclic aminals
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DOI: 10.1039/c9qo01116a
Abstract: 2-Hydroxy cinnamaldehydes and acyclic N-sulfonyl ketimines were used as multisite substrates in an iminium catalysis triggered sequential process, leading to diverse chiral bridged polycyclic aminals in a highly regio- and stereoselective manner. read more here.
Keywords: cinnamaldehydes acyclic; diverse chiral; chiral bridged; acyclic sulfonyl ... See more keywords
DABCO- and DBU-promoted one-pot reaction of N-sulfonyl ketimines with Morita–Baylis–Hillman carbonates: a sequential approach to (2-hydroxyaryl)nicotinate derivatives
Sign Up to like & getrecommendations! Published in 2018 at "Beilstein Journal of Organic Chemistry"
DOI: 10.3762/bjoc.14.254
Abstract: An intriguing DABCO-catalyzed and DBU-promoted one-pot synthesis of an important class of (2-hydroxyaryl)pyridine derivatives bearing a carboxylate or a nitrile group suitably placed at C3 position of the aza-ring has been achieved in acceptable chemical… read more here.
Keywords: hydroxyaryl; one pot; promoted one; dbu promoted ... See more keywords