New Strategies in Preparing Organo-Substituted Cyclophosphazenes |
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| Authors: | J C Van De Grampel P L Buwalda A A Van Der Huizen T Wilting A Meetsma F Van Bolhuis |
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| Institution: | 1. Department of Inorganic Chemistry Molecular Structure Department , University of Groningen , Nijenborgh 16, 9747, AG Groningen, The Netherlands;2. Department of Molecular Structure Department , University of Groningen , Nijenborgh 16, 9747, AG Groningen, The Netherlands |
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| Abstract: | Abstract Nucleophilic addition of a copper-phosphazene anion (NPCl2)2NPR]2Cu (R = alkyl) to an aldehyde or ketone, followed by acid hydrolysis, leads to the formation of geminal alkyl(hydroxy-alkyl) derivatives in reasonable to high yields. Isocyanato cyclophosphazenes provide another entrance to organo-substituted derivatives, in which (NPCl2)2 NPNH2 NCO appears to be a versatile starting material. Interesting differences are observed between the reactions of (NPCl2)3 with alkali cyanates and silver cyanate in the presence of an alcohol, using acetonitrile as a solvent. |
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