5-Nitro-6-substituted-2-norbornenes: determination of Diels-Alder isomer ratios from nuclear magnetic resonance spectra
書誌事項
- 公開日
- 1967-12-01
- 権利情報
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- http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining
- DOI
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- 10.1139/v67-479
- 公開者
- Canadian Science Publishing
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説明
<jats:p> The nuclear magnetic resonance spectra of representative 5-nitro-6-substituted-2-norbornenes (II–VII) are described. From the spectra, ratios of the two possible endo–exo trans stereoisomers derived from the Diels–Alder reaction of cyclopentadiene with the appropriate trans nitroölefin are estimated as shown in Table II. For all cases, there was predominance (3:1 to 9:1) of the 5-endo-nitro trans stereoisomer. The synthesis of the 6-(p-nitrophenyl) (V), 6-(2-furyl) (VI), and 6-(2-thienyl) (VII) derivatives is reported and the 6-ethyl derivative (III) has been characterized </jats:p>
収録刊行物
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- Canadian Journal of Chemistry
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Canadian Journal of Chemistry 45 (23), 2969-2978, 1967-12-01
Canadian Science Publishing
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詳細情報 詳細情報について
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- CRID
- 1361699995346995968
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- DOI
- 10.1139/v67-479
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- ISSN
- 14803291
- 00084042
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- データソース種別
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- Crossref
