ChemInform Abstract: Prototropic Migrations in Phosphorylated 2‐Azaallyl Systems. Part 4. Phosphorylation of N‐Benzylidene‐2,2,2‐trifluoro‐1‐chloroethylamine and Its Prototropic Isomers with Dialkyl Fluorophosphites and Sterically Hindered Trialkyl Phosphites.

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AbstractThe chloro imine (I) and the imidoyl chloride (V) are coupled with the fluorophosphites (II) or the phosphites (VI) to give the corresponding α‐amino phosphonates (III), (VII), and (VIII) or the α‐imino phosphonates (IV) and (IX).