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New bis-phosphines based on pamoic acid have been synthesised by the reaction of pamoic acid with PCl 3 . Alternatively new amides were synthesised from pamoic acid and n-butylamine, using N,N'-carbonyldiimidazole as an activation agent. The reaction of these amides with phosphorus trichloride in toluene leads easily to the highly sensitive chlorophosphines which react with trimethylsilylmorpholine...
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