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The basicity of phosphinamides and the site of protonation

โœ Scribed by Paul Haake; Toru Koizumi


Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
116 KB
Volume
11
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES


Protonation of phosphinamides: the coupl
โœ Kenneth E. DeBruin; Amphlett G. Padilla; David M. Johnson ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 90 KB

The suggestion has been made' that the most stahle form of protonated phosphinamides has the proton on nitrogen rather than on the phosphoryl oxygen. Among other evidence, the coupling constant, J PNCH, was observed to decrease upon protonation of two different phosphinamides, lb -\_

Theoretical calculations of proton affin
โœ Javier Fernรกndez Sanz; Julio Anguiano; Jaume Vilarrasa ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 594 KB

Theoretical calculations at the 3-21G and 3-21+G ab initzo levels and at the MNDO and AM1 semiempirical levels of several six-membered nitrogenated heterocycles and their protonated species have been carried out. The 3-21G calculated proton affinities are systematically too high, in relation to the

The site of protonation in amino-substit
โœ K. L. Kapoor ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 302 KB

## Abstract SCFโ€LCAOโ€MOโ€CI calculations made on 2โ€ and 4โ€aminoโ€, and 2,4โ€diaminopteridines indicate that the most favorable site where the protonation can take place is Nโ€1.