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Showing 1 to 3 of 3 for “"oxazolones"”.
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ΜΕΛΕΤΗ ΑΝΤΙΔΡΑΣΕΩΝ 1,3-ΔΙΠΟΛΙΚΗΣ ΚΥΚΛΟΠΡΟΣΘΗΚΗΣ ΣΕ ΕΤΕΡΟΚΥΚΛΙΚΑ ΣΥΣΤΗΜΑΤΑ
… REACTIONS TO SUBSTITUTED EXOMETHYLENE-OXAZOLONES AND THIAZOLONES AND TO EXAMINE THESE REACTIONS AS A POSSIBLE SOURCE OF HETEROCYCLIC A-AMINOACID DERIVATIVES. (Z)- AND (E)-2- PHENYL-4-ARYLIDENE-5(4H)-OXAZOLONES REACT WITH NITRILIMINES AND (Z)-2-PHENYL-4-ARYLIDENE-5(4H)-THIAZOLONES WITH …
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Strategies for the synthesis of bioactive compounds: biomimetic approaches to the Salinosporamides and the hexadehydro-Diels-Alder reaction
… form a 5(4H)-oxazolone. It is known that 5(4H)-oxazolones readily tautomerize to 4-hydroxyoxazoles, which are in equilibrium with their mesoionic Münchnone forms. Valence bond isomerism interconverts Münchnones to amidoketenes. Spontaneous ketene-ketone [2+2] cycloaddition would siphon the …
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Synthesis and Spectroscopic Study of Anticancer agent A-007 Prodrugs and Progress Towards the Synthesis of Tetramic acid Antibiotics
4, 4'-Dihydroxybenzophenone-2, 4-dinitrophenylhydrazone (A-007) has recently completed a phase-I clinical trial, and objective responses were seen in advanced breast cancer, lung cancer, ovarian cancer, melanoma, skin cancer and non-Hodgkin's lymphoma. Despite the promising results in the clinical …