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Conformational analysis of 4-methyl-2-trimethylsiloxy-1,3,2-dioxaphosphinane

✍ Scribed by Ya. A. Vereshchagina, E. A. Ishmaeva, D. V. Chachkov, A. Z. Alimova

Book ID
118725878
Publisher
SP MAIK Nauka/Interperiodica
Year
2012
Tongue
English
Weight
189 KB
Volume
48
Category
Article
ISSN
1070-4280

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Crystal and molecular structures of isom
Crystal and molecular structures of isomeric 2-morpholino-2-thiono-4-methyl-1,3,2-dioxaphosphinane and 2-morpholino-2-oxo-4-methyl-1,3,2-dioxaphosphinane
✍ Michał W. Wieczorek; Wiesław R. Majzner; Renata Kaczmarek; Janina Baraniak; Wojc 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 297 KB 👁 1 views

Two isomeric pairs of compounds, cis-and trans-2morpholino-2-thiono-4-methyl-1,3,2-dioxaphosphinane (1A ‫ם‬ 1B) and 2-morpholino-2-oxo-4-methyl-1,3,2-dioxaphosphinane (2A ‫ם‬ 2B) were obtained and separated into the pure compounds by silica gel chromatography. Attempts at crystallization afforded 1A

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In the title compound, C 24 H 25 Cl 2 N 2 O 3 P, the P atom adopts a distorted tetrahedral configuration. Weak intermolecular N-HÁ Á ÁN and C-HÁ Á ÁO hydrogen bonds are observed, and C-HÁ Á Á interactions also contribute to the crystal packing.