Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2007 m. Nr. 4 Michael addition of Fisher’s base to (E)-β-nitrostyrenes
Michael’s addition reaction of 1,3,3-trimethyl-2-methylene-2,3-dihydro-1H-indole (Fisher’s base) with (E)-β-nitrostyrenes afforded (E)-2-[2-(phenyl)-3-nitropropylidene]-1,3,3-trimethyl-2,3-dihydro-1H-indoles as a major product. The geometry of (E)-2-[2-(4-methoxyphenyl)-3-nitropropylidene]-1,3,3-trimethyl-2,3-dihydro-1H-indole was established by single crystal X-ray analysis. Keywords: Fisher’s base, (E)-β-nitrostyrene, Michael addition, X-ray crystal structure |
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