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Citation: Fu Xiangkai, Wen Shuying, Kang Wei. Quaternary Compounds of Zirconium Dibutylamino-methylphosphonate and Thier PTC Activities[J]. Chinese Journal of Applied Chemistry, ;1995, 12(2): 20-23. shu

Quaternary Compounds of Zirconium Dibutylamino-methylphosphonate and Thier PTC Activities

Department of Chemistry, Southwest China Normal University, Chongqing 630715

Received Date: 29 June 1994
Revised Date: 19 September 1994

Zirconium dibutylaminomethylphosphonate-phosphites Zr(HPO₃)_2-x·(O₃PCH₂N-Bu₂)_x·H₂O (ZPDBN-ZP,x=0.8,0.6,0.5,0.4,0.35) have been prepared for the first time. Partly quaternized ZPDBN-ZP with benzylbromide, zirconium (benzyldibutylammo-niomethylphosphonate bromide-dibutylammoniomethylphosphonate-phosphite) Zr(HPO₃)_2-x·(O₃PCH₂NBu₂)_x-y·(O₃PCH₂N⁺Bu₂PhCH₂Br^-)y·H₂O (ZPBBDB-ZPDBN-ZP, y< x) have been obtained. Heterogeneous PTC reactions of nucleophilic substitution, etherifica-tion,esterification, and addition of dichlorocarbene by using ZPBBDB-ZPDBN-ZP have been carried out successfully. The catalysts can easily be recovered with recovery of 70%~100%. No obvious loss of the catalytic activity was found after more than ten times repeated use.
- zirconium dibutylaminomethylphosphonate,
- zirconium phosphite,
- PTC reaction,
- quaternization,
- nucleophilic substitution,
- etherification,
- esterification,
- carbene addition
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