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Etude, par RMN, des conformations d'aldehydes α et β pyrroliques C-substitues. Stereospecificite des couplages lointains.

✍ Scribed by M. Farnier; T. Drakenberg


Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
217 KB
Volume
14
Category
Article
ISSN
0040-4039

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Transmission de l'effet de substituant à
✍ Serge Geribaldi; Marcel Azzaro 📂 Article 📅 1982 🏛 Elsevier Science 🌐 English ⚖ 324 KB

The i.r. stretching frequencies of the carbonyl group and the chemical shift of the ethylenic proton in three series of aJi-unsaturated ketones, 3-substituted-5,5-dimethyl-2-cyclohexen-1-ones s-trans p-substituted-4-aryl-3-buten-2-ones and p-substituted-3-aryl-5,5-dimethyl-2-cyclohexen-l-ones, have