Tetrahedron p. 7021 - 7034 (1997)
Update date:2022-07-31
Topics:
Szabo, Andras
Csampai, Antal
Koermendy, Karoly
Boecskei, Zsolt
On the effect of acetic and propionic anhydrides 2,3-dihydroimidazo[2,1-a]phthalazin-4-ium-6-olates (1c-j) underwent ring transformation (1→7.8). Alternative mechanisms are applied to reason the characteristic substituent-dependent asymmetric induction observed for the transformations of the 2-monosubstituted precursors. The structures of products were determined by IR. MS. 1H- and 13C-NMR (1D- and 2D) measurements supported by single crystal X-ray analysis.
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Doi:10.1021/acscatal.1c01150
(2021)Doi:10.1021/om970207+
(1997)Doi:10.1134/S107036320912024X
(2009)Doi:10.1016/S0022-328X(98)01108-5
(1999)Doi:10.1021/ja01006a028
(1968)Doi:10.1246/bcsj.41.424
(1968)
