From phenylalkylcyanamides to heterocyclic selenazadiphospholaminediselenides and carbamidoyl(phenyl) phosphinodiselenoic acids

Guoxiong Hua, Qingzhi Zhang, Yang Li, Alexandra Martha Zoya Slawin, J Derek Woollins

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The reaction of 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4- diselenide (Woollins' Reagent, WR) with phenylalkyl-cyanamides (RR'NC N, R = PhCH2CH2, R' = CH3 and R = PhCH2CH2CH2, R' = H) in refluxing toluene led to novel heterocyclic selenazadiphospholaminediselenides 1 and 2 (43% and 42% yields), the latter being hydrolyzed to the unusual zwitterionic carbamidoyl(phenyl) phosphinodiselenoic acids 3 and 4 in excellent yields (96% and 98%).

Original languageEnglish
Pages (from-to)5563-5566
Number of pages4
JournalDalton Transactions
Issue number41
Early online date26 Aug 2008
DOIs
Publication statusPublished - Nov 2008

Keywords

  • Phosphorus-selenium Heterocycles
  • Ray crystal-structures
  • P-SE Heterocycles
  • Woollins reagent
  • Reactivity
  • Derivatives
  • Cynamides
  • Complexes
  • System
  • Anions

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