1,6-Dihydro-3(2H)-pyridinones. VI. Introduction of an amidocarbonylmethyl chain at C-4 of the 1,6-dihydro-3(2H)-pyridinone nucleus via photochemical (2+2) cycloaddition reaction.
نویسندگان
چکیده
منابع مشابه
NMR Spectra of 2,3-Dihydro-4-Pyridinones Derived from Bisdemethoxycurcumin
Problem statement: The studied dihydropyridones were synthesized via microwave assisted reaction of bisdemethoxycurcumin and amines or amine acetates which is new approach in the synthesis of this important class of compounds and the deep study of their NMR spectra seems reasonable. Approach: H NMR spectra of dihydropyridones derived from curcumin were discussed and their structures were elucid...
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Novel 2,3-dihydro-4-pyridinones were synthesized via the reaction of curcumin and primary amines or amine acetates under microwave irradiation. Montmorillonite K-10 was used as a catalyst. Reaction times did not exceed 120 s. The structures of the compounds were established by elemental analysis and from their mass, 1H- and 13C-NMR spectra.
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Photochemical dehydrogenation of various substituted 3,4-dihydro-2-pyridones was achieved in a very efficient way by employing 10-15 mol% of photo-induced electron transfer sensitizers like 9-cyanoanthracene, 9-cyanophenanthrene and 1-cyanonaphthalene in presence of molecular oxygen, for the first time.
متن کاملinv ( 16 ) ( p 13 q 22 ) , t ( 16 ; 16 ) ( p 13 ; q 22 ) , del ( 16 ) ( q 22 )
inv(16)(p13q22) Gbanding (left) Courtesy Jean-Luc Lai and Alain Vanderhaegen; Rbanding center bottom: Courtesy Christiane Charrin, center top and FISH (top right) -Courtesy Pascale Cornillet-Lefebvre and Stephanie Struski; FISH (bottom right) Courtesy Hossein Mossafa; commercial FISH probes, split in the inv(16). t(16;16)(p13;q22) G-banding Courtesy Diane H. Norback, Eric B. Johnson, and Sara M...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1983
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.31.1235