From phenylalkylcyanamides to heterocyclic selenazadiphospholaminediselenides and carbamidoyl(phenyl) phosphinodiselenoic acids
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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%).
Hua , G , Zhang , Q , Li , Y , Slawin , A M Z & Woollins , J D 2008 , ' From phenylalkylcyanamides to heterocyclic selenazadiphospholaminediselenides and carbamidoyl(phenyl) phosphinodiselenoic acids ' Dalton Transactions , no. 41 , pp. 5563-5566 . DOI: 10.1039/b813406p
This is the author's version of an article in Dalton Transactions. The published version (c)Royal Society of Chemistry is available from DOI: 10.1039/b813406p
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