Effect of ultraviolet radiation on 2-oxo-4-aryl-5-carbethoxy-6-alkyl-1,2,3,4-tetrahydropyrimidines
โ Scribed by Henry A. Rutter Jr.; Lillie O. Gustafson; William G. Batt
- Publisher
- Elsevier Science
- Year
- 1955
- Tongue
- English
- Weight
- 84 KB
- Volume
- 260
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## Abstract A general method is described for the synthesis of 1โarylโ2โalkylโ1,4,5,6โtetrahydropyrimidines 1, by cyclization of __N__โacylโ__N__โฒโaryltrimethylenediamines 2 with trimethylsilyl polyphosphate. Precursors 2 were obtained by aminolysis of the corresponding __N__โ(3โbromopropyl)amides
Further proof of structure of 2-oxo-4-(3,4-diethoxyphenyl)-5-carbethoxy-6-trifluoromethyl-l,2,3,4-tetrahydropyrimidine was obtained by comparison of the infrared spectrum\* of the compound with that of the 6-methyl analog. The spectra are identical except that a strong band for the C-F bond was foun
Single-crystal X-ray study T = 294 K Mean (C-C) = 0.005 A R factor = 0.052 wR factor = 0.148 Data-to-parameter ratio = 12.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.