l-Prolinamidium hydrogensquarate
✍ Scribed by Kolev, Tsonko ;Yancheva, Denitsa ;Spiteller, Michael ;Sheldrick, William S. ;Mayer-Figge, Heike
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 174 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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The novel salt of a geminal diol 4-(dihydroxymethyl)pyridinium hydrogensquarate was derived from isonicotinaldehyde and squaric acid in water. Two polymorphs were characterized by means of single crystal X-ray diffraction and linear-polarized infrared (IR-LD) spectroscopy of oriented colloids in nem
IR-LD spectroscopy of oriented solid-samples as a suspension in nematic liquid crystal has been applied for IR-characteristic bands assignment of 6-acetylcodeine and its hydrogensquarate. A stereo-structural prediction of both compounds has been shown as well, comparing with known single crystal X-r