Studies on sulfenanilides. V. Anodic oxidation of 4'-substituted 2-nitrobenzenesulfenanilides at a reticulated vitreous carbon electrode.
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Constant current electrolysis of 4'-substituted 2-nitrobenzenesulfenanilides (4'-OMe (1a), 4'-Me (1b), 4'-Cl (1c), 4'-COOEt (1d)) was carried out in acetonitrile containing 0.1 M ethyltributylammonium trifluoromethanesulfonate (ETBT), 1% trifluoroacetic acid, and 1% trifluoroacetic anhydride at a reticulated vitreous carbon (RVC) electrode. The quantity of electricity to be fed into the electrolytic cell was determined from the anodic potential-time curves. The yields of 2, 7-disubstituted phenazines (di-OMe (2a), di-Me (2b), di-Cl (2c), di-COOEt (2d)) were 56%, 24%, 42%, and 33%, respectively. The RVC anode was found to be useful for preparative electrolysis of 1a-d, since the considerable yields of phenazines were obtained within several minutes without the use of an expensive potentiostat.
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 28 (12), 3707-3710, 1980
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
- 1390001204167307264
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- NII論文ID
- 110003623906
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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
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可