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Structures of 1,1-diphenyl-2-aza-1,3-butadienes. II. 3-Cyano-4-(n-fluorophenyl)-1,1-diphenyl-2-aza-1,3-butadienes (n = 2, 4)

✍ Scribed by Macíček, J. ;Angelova, O. ;Dryanska, V.

Book ID: 114510261
Publisher: International Union of Crystallography
Year: 1993
Tongue: English
Weight: 372 KB
Volume: 49
Category: Article
ISSN: 0108-2701
DOI: 10.1107/s0108270193003166

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## Key twxd.% I,3-Dipolar cycloaddidons; 2-Asa-1,3-butadienesi 2,3-Dehydroamino acIcIs; Sfteselectivity. ## Absawt : Tbe reactivfty and in partJcular the siteselectlvity of [3+2] electrocyclic additions to l,l-dJpJw?nyl-2-aza -1,3-butadknes, substftuted or not on tie term&M carbon wltb metiyJ and