Substitution von molekularen Klammern an den Naphthalin ...

Experimenteller Teil
13 C-NMR (126 MHz, CDCl3): δ [ppm] = 21.00 (q, C-23, C-24), 48.14, 48.18, 48.42
(d, C-6, C-8, C-15, C-17), 64.86, 65.00 (t, C-19, C-20), 118.98 (d, C-3), 120.23,
120.28 (d, C-9, C-14), 120.38 (d, C-5), 121.92 (d, C-18), 124.33 (d, C-1), 125.54,
125.56 (d, C-11, C-12), 127.74, 127.79 (d, C-10, C-13), 129.2 (d, C-4), 131.15 (s,
C-4a), 132.20 (s, C-7/C-16), 132.22 (s, C-9a, C-13a), 135.50 (s, C-18a), 137.48 (s,
C-7/C-16), 139.99, 140.23 (s, C-6a, C-16a), 141.30, 141.37 (s, C-7a, C-15a ),
145.24 (s, C-2), 145.8 (s, C-8a, C-14a), 148.45 (s, C-5a/C-17a), 150.86 (s, C-5a
/C-17a), 168.68 (s, C-21, C-22).
Eine genaue Zuordnung der 13 C-Signale der Atomen 7, 16, 5a, 7a, 15a, 16a, 17a
konnte nicht getroffen werden.
IR (KBr): ν ~ (cm -1 ) = 2994 (CH), 1767 (C-O), 1768 (C-O), 1531 (N-O), 1341 (C=C-
N=O), 1203 (C-O), 1173 (C-O).
MS-ESI (480 eV): Molmasse: 567.168 ber. C36H25O6
568.173 gef. C36H26O6
590.155 C36H25NaO6
286