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Organic Phosphorus Compounds 60. The direct synthesis of tris(N-substituted carbamoylethyl) phosphine oxides

✍ Scribed by Ludwig Maier

Publisher
John Wiley and Sons
Year
1973
Tongue
German
Weight
409 KB
Volume
56
Category
Article
ISSN
0018-019X

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✦ Synopsis

II CH2= CHCNHCH,CH,. R.p. 68-70"/0.033 Torr (Lit. [14] b.p. 85-86°/10 Torr). lH-NMR. (in CCI,): a) 1.15 (t, 3.09H); b) 3.25 and 3.37 (2q%, 2.03H); c) 5.47 (Jsem. -4.7, Jtrans = 8, 0.88H); d) 6.186.31 ( m , 2.03H); e) 8.2 (br0.97H).

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Organic Phosphorus Compounds 68. The dir
Organic Phosphorus Compounds 68. The direct synthesis of tri(alkyl- and arylseleno)phosphites and of tris(p-anisyltelluro)phosphite [1]
✍ Ludwig Maier 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 German ⚖ 352 KB

## Abstract White phosphorus reacts with organic diselenides in a dipolar aprotic solvent in the presence of a base with the formation of tri(alkyl‐ or aryl‐seleno)phosphites in good yield. Tri(methylseleno)phosphitc shows a 31P‐chemical shift = −107 ppni (__J__P, ^77^Se = 233 Hz). It is readily o