Alkoxy carbonium ions. II. NMR examination of 2-aryl-1,3-dioxolenium cations
โ Scribed by Donald A. Tomalia; Harold Hart
- Publisher
- Elsevier Science
- Year
- 1966
- Tongue
- French
- Weight
- 207 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
The only quantitative correlation of carbonium ions by nmr chemical s'hifts in the literature was reported recently by Taft and McKeever,
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Careful investigation by Olah and Comisarowl of the reaction between dicarboxylic acid fluorides and+antimony pentafluoride showed that allcylene dioxodicarbonium ions (acyl dications) were not formed unless the acyl groups were insulated by at least three methylene groups. It was considered of int
## Abstract The conformation of some 2โฯโ1,3,2โdioxaphospholanes (ฯ=OAlkyl, CI) is studied. The determination of the ^2^__J__(POC) and ^3^__J__(POCC) coupling constants, which are influenced by the bulk of the alkoxy group, is a means of obtaining information about the rotation around the P๏ฃฟOR bond