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Recherches sur la formation et la transformation des esters LXXIII Sur la préparation d'acides ω-[aryl (ou aralcoyl ou alcoyl) carbamylamino]-alcoylphosphoriques et sur leur vitesse de scission à divers pH

✍ Scribed by Emile Cherbuliez; B. R. Behler; O. Espejo; E. Frankenfeld; S. Jaccard; J. Rabinowitz


Publisher
John Wiley and Sons
Year
1967
Tongue
German
Weight
376 KB
Volume
50
Category
Article
ISSN
0018-019X

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✦ Synopsis


et la transformation des esters LXXIIIl) Sur la preparation d'acides o-[aryl (ou aralcoyl ou alcoyl) carbamylamino]-alcoylphosphoriques et sur leur vitesse de scission A divers pH


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0‐, __m__‐ and __p__‐sulfophenylphosphoric acids have been prepared from PC1~5~ and the corresponding phenolsulfonic acids. The rates of hydrolysis of these phosphoric esters at pH 0 (HCl 1N), 4,5 and 14 (NaOH 1N) and at 100° have been established.

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## Abstract The synthesis and the rate of scission of some new cyanoalkyl‐phosphoric monoesters are described. In the case of β‐cyanoalkyl‐phosphoric monoesters, the monoester group is no more dephosphorylated in alkaline medium when the two H in the β position are substituted by alkyl groups.