On the geometric isomers of ethyl 2-nitro-3-ethoxyacrylate, ethyl 2-nitro-3-phenylaminoacrylate and ethyl 2-cyano-3-phenylaminoacrylate
✍ Scribed by E. Knippel; M. Knippel; M. Michalik; H. Kelling; H. Kristen
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- French
- Weight
- 321 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.002 A Ê Disorder in main residue R factor = 0.038 wR factor = 0.124 Data-to-parameter ratio = 11.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
The title compound, C 10 H 12 N 4 O 5 , shows an orthogonal relationship between the ®ve-membered rings.
Single-crystal X-ray study T = 168 K Mean '(C±C) = 0.003 A Ê R factor = 0.052 wR factor = 0.088 Data-to-parameter ratio = 10.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
The reaction of the DABCO salts 2, generated in situ from the Baylis-Hillman acetates 1, and KCN in aqueous THF gave ethyl 3-cyano-2-methylcinnamates 4a-d and 3-cyano-2-methylcinnamonitriles 4e-f in good yields.