TRIACIDIC SALTS OF TRIS(AMINOMETHYL)PHOSPHINES AND THEIR OXIDES
- 1 June 1981
- journal article
- research article
- Published by Taylor & Francis in Phosphorus and Sulfur and the Related Elements
- Vol. 10 (2) , 255-259
- https://doi.org/10.1080/03086648108077514
Abstract
Tris(aminomethyl)phosphines and their oxides form triacidic salts that, unlike the free bases, are air-stable and non-hygroscopic. The salts of the unsubstituted compounds, (NH3 +CH2)3 P(O)n 3X−(3b: n = O, X = Br; 4a-c: n = 1, X = Cl, Br, or I), may be prepared directly from 1,3,5-triaza-7-phosphaadamantane (1) or its oxide (2) or from tris(N-carbomethoxylaminomethyl)phosphine oxide (9) by hydrolysis with the appropriate acid. The behaviour of the compounds towards acids and nucleophilic reagents is discussed.Keywords
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