Photoreactions of Succinimides with an N-Acyl Group in the Side Chain. Synthesis and Stereochemistry of Tricyclic Pyrrolo[1, 2-α]pyrazine Ring Systems

HARUKO TAKECHI; SUMIKO TATEUCHI(nee OYADOMARI); MINORU MACHIDA; YOSHIHIKO NISHIBATA; KEIICHI AOE; YASUHIKO SATO; YUICHI KANAOKA

doi:10.1248/cpb.34.3142

HARUKO TAKECHI, SUMIKO TATEUCHI(nee OYADOMARI), MINORU MACHIDA, YOSHIHIKO NISHIBATA, KEIICHI AOE, YASUHIKO SATO, YUICHI KANAOKA

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Keywords: tricyclic diamine

JOURNAL FREE ACCESS

1986 Volume 34 Issue 8 Pages 3142-3152

DOI https://doi.org/10.1248/cpb.34.3142

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Abstract

Photocyclization of succinimides with an N-acyl group in the side chain gave bi- and tricyclic phyrrolo[1, 2-a]pyrazines, some of which were converted to tricyclic amines by reduction. The stereochemistry of pyrrolo[1, 2-a]pyrazine derivatives is discussed on the basis of the results of X-ray analysis and carbon-13 nuclear magnetic resonance spectroscopy.

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