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Wide-line 2H n.m.r. study of perdeuterated pyridine imbibed in a premium coal

✍ Scribed by Antoni Jurkiewicz; James S. Frye; Gary E. Maciel

Book ID: 107756476
Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 418 KB
Volume: 69
Category: Article
ISSN: 0016-2361
DOI: 10.1016/0016-2361(90)90198-y

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## Abstract Seven isomeric 4,5,6‐trimethyl‐2‐oxo‐1,3,2‐dioxathians, __cis__‐4‐__trans__‐6‐dimethyl‐__r__‐2‐oxo‐1,3,2‐dioxathian and two isomeric 4,5,5,6‐tetramethyl‐2‐oxo‐1,3,2‐dioxathians were prepared and their ^1^H n.m.r. spectra analysed. The values of the vicinal coupling constants reported ea