NIKOLAEVA et al.
1374
3. Favaro, G., Chidichino, G., Formoso, P., Manfredi, S.,
Mazzucato, U., and Romani, A., J. Photochem. Photo-
biol. A, 2001, vol. 140, p. 229.
6′-CH3), 3.17 m (2H, NCH2), 5.57 br.s (1H, OH),
5.74 d (1H, 3′-H, J = 10.30 Hz), 6.12 s (1H, 7′-H),
6.57 d (1H, 7-H, J = 7.62 Hz), 6.80–6.95 m (3H, 4′-H,
5-H, 5′-H), 7.08 d (1H, 4-H, J = 7.62 Hz), 7.10 t (1H,
6-H). Found, %: C 78.62; H 6.99; N 3.42. C28H31NO4.
Calculated, %: C 78.34; H 7.22; N 3.26.
4. Han, S. and Chen, Y., Dyes Pigm., 2011, vol. 88, p. 235.
5. Natali, N., Soldi, G., and Giordani, S., Tetrahedron,
2010, vol. 66, p. 7612.
6. Metelitsa, A.V., Knyazhansky, M.I., Ivanitsky, V.V.,
Nikolaeva, O.G., Palchkov, V.A., Panina, A.P., Shele-
pin, N.E., and Minkin, V.I., Mol. Cryst. Liq. Cryst.,
1994, vol. 246, p. 37.
10′-Hydroxy-3,3,6′-trimethyl-1-octyl-1,3-dihy-
dro-8′H-spiro[indole-2,2′-pyrano[3,2-g]chromen]-
8′-one (IIe). Yield 27%, mp 157–158°C. IR spectrum,
1
ν, cm–1: 3320, 1690, 1600, 930. H NMR spectrum
7. Ivanitskii, V.V., Nikolaeva, O.G., Metelitsa, A.V., Vol-
bushko, N.V., Luk’yanov, B.S., Palchkov, V.A., and
Shelepin, N.E., Khim. Geterotsikl. Soedin., 1992, p. 601.
(CDCl3), δ, ppm: 0.86 t (3H, CH3), 1.19–1.29 m (14H,
3-CH3, CH2), 1.60 m (4H, CH2), 2.38 s (3H, 6′-CH3),
3.17 m (2H, NCH2), 5.45 br.s (1H, OH), 5.86 d (1H,
3′-H, J = 10.50 Hz), 6.12 s (1H, 7′-H), 6.56–7.25 m
(6H, 4-H, 4′-H, 5-H, 5′-H, 6-H, 7-H). Found, %:
C 78.52; H 7.39; N 3.22. C30H35NO4. Calculated, %:
C 78.62; H 7.96; N 3.06.
8. Nikolaeva, O.G., Gaeva, E.B., Shepelenko, E.N., Tsuka-
nov, A.V., Metelitsa, A.V., Luk’yanov, B.S., Dubono-
sov, A.D., Bren’, V.A., and Minkin, V.I., Russ. J. Org.
Chem., 2009, vol. 45, p. 1091.
9. Nikolaeva, O.G., Shepelenko, E.N., Tsukanov, A.V.,
Kozyrev, V.S., Metelitsa, A.V., Dubonosov, A.D.,
Bren’, V.A., and Minkin, V.I., Vestn. Yuzhn. Nauch.
Tsentra Ross. Akad. Nauk, 2010, vol. 6, no. 3, p. 12.
This study was performed under financial support
by the Ministry of Education and Science of the
Russian Federation (Federal special-purpose program
“Scientific and Scientific–Pedagogical Staff of Innova-
tion Russia 2009–2013,” state contract no. P678, May
20, 2010).
10. Naik, R.M. and Thakor, V.M., J. Org. Chem., 1957,
vol. 22, p. 1626.
11. Guglielmetti, R., Photochromism: Molecules and
Systems, Dürr, H. and Bouas-Laurent, H., Eds., Amster-
dam: Elsevier, 1990, p. 314.
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RUSSIAN JOURNAL OF ORGANIC CHEMISTRY Vol. 47 No. 9 2011