PHOTOREACTION OF PHTHALIMIDES POSSESSING AN ORTHO-METHYLPHENYL GROUP IN THEIR N-SIDE CHAIN. SYNTHESIS OF TETRACYCLIC NITROGEN HETEROCYCLES

DOI: 10.3987/R-1987-10-2683

Source and publish data:

Heterocycles p. 2683 - 2690 (1987)

Update date:2022-08-02

Topics:

Authors:

Machida, Minoru

Nakamura, Mayumi

Oda, Kazuaki

Takechi, Haruko

Ohno, Kosei

et al. et al.

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Article abstract of DOI:10.3987/R-1987-10-2683

Upon irradiation phthalimides (5 and 8) possesing o-methylphenyl group in their N-side chain gave mainly the tetracyclic ring systems (9 and 10).It was shown that the photocyclization occurs at ε- or ζ-position across the carbons of the benzene ring (B-ring).

Full text of DOI:10.3987/R-1987-10-2683

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