Tritylamine (triphenylmethylamine) in organic synthesis; III. The synthesis of 1-aminoalkylphosphonic acids in the reaction of N-(triphenylmethyl)alkanimines with phosphorus trichloride in acetic acid or with phosphonic acid in acetic anhydride.
作者:Miroslaw Soroka、Waldemar Goldeman
DOI:10.3998/ark.5550190.0011.b29
日期:——
The reaction of phosphorus trichloride in acetic acid or phosphonic (phosphorous) acid in aceticanhydride, with N-(triphenylmethyl)alkanimines gives 1-acetylaminoalkylphosphonic acids 1a-j, which after hydrolysis give 1-aminoalkylphosphonic acids 2a-j in good yields.
1-(<i>N</i>-Acylamino)alkylphosphonic acids—Deacylation in aqueous solutions
作者:Marek Cypryk、Jozef Drabowicz、Bartlomiej Gostynski、Marcin H. Kudzin、Zbigniew H. Kudzin、Pawel Urbaniak
DOI:10.1080/10426507.2017.1286494
日期:2017.6.3
1-(N-acylamino)alkylphosphonic acids (AC)-AAP, including 1-(N-acetylamino)alkyl-phosphonic Ac-AAP, 1-(N-chloroacetylamino)alkylphosphonic acids Mca-AAP, 1-(N-trifluoroacetylamino)alkylphosphonic acids TFA-AAP, and 1-(N-benzoylamino)-alkylphosphonic Bz-AAP, derived from representative 1-aminoalkylphosphonic acids AAP (GlyP, AlaP, ValP, PglP, and PheP) in neutral and 2 M HCl solutions.