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Issue 41, 2008
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From phenylalkylcyanamides to heterocyclic selenazadiphospholaminediselenides and carbamidoyl(phenyl)phosphinodiselenoic acids

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Abstract

The reaction of 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4-diselenide (Woollins’ Reagent, WR) with phenylalkylcyanamides (RR′NC[triple bond, length as m-dash]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%).

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

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Publication details

The article was received on 01 Aug 2008, accepted on 04 Aug 2008 and first published on 26 Aug 2008


Article type: Communication
DOI: 10.1039/B813406P
Dalton Trans., 2008, 5563-5566

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

    G. Hua, Q. Zhang, Y. Li, A. M. Z. Slawin and J. D. Woollins, Dalton Trans., 2008, 5563
    DOI: 10.1039/B813406P

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