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Crystal and molecular structure of 3,9-di(4-MeO-phenyl)-and nonsubstituted 2,4,8,10-tetraoxaspiro[5,5]undecanes

✍ Scribed by M. A. Khusainov; S. S. Makarevich; A. E. Obodovskaya; Z. A. Starikova; R. S. Musavirov


Publisher
SP MAIK Nauka/Interperiodica
Year
1989
Tongue
English
Weight
453 KB
Volume
29
Category
Article
ISSN
0022-4766

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13C NMR chemical shifts and uC-31P coupling constants of fourteen derivatives from 3,9-di(aIkylphenoxy)-2,4,S,lO-tetraoxa-3,9-diphosphaspiro[5.5]undecane and of eight derivatives of the 3,g-dioxo type are reported. All investigated compounds possess a chair conformation with the lone pair or the pho