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Irradiation of several 2-(β-arylvinyl) pyrazines at room temperature using a high pressure mercury lamp afforded aza-phenanthrenes in moderate yields. The ring closure of 2-[β-(3-pyridyl) vinyl] pyrazine (IIIb) occurred only at the 4-position of the pyridine ring, whereas 2-[β-(2-naphthyl) vinyl] pyrazine (IIIe) cyclized at the 1-position of the naphthalene ring. 2, 5-Distyrylpyrazine (VIa) and 2, 5-bis [β-(2-pyridyl) vinyl] pyrazine (VIb) were also irradiated in refluxing benzene to give dibenzo [a, h] phenazine (XVI) and dipyrido [3, 2-α : 3´, 2´-h] phenazine (XVII), respectively.
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 27 (11), 2596-2601, 1979
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204165239936
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- NII論文ID
- 110003623506
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- NII書誌ID
- AA00602100
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- ISSN
- 13475223
- 00092363
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可