Imidobisphosphoric acids, process for their preparation and their use

摘要

Imidobisphosphoric acid cpds. of formula (I) and their salts are new: R1 = 1-10C alkyl, 1-8C alkanoyl, 6-10C aryl or Het (all opt. substd. by 1-6 halo, OH, NH2, NHCOR7, OCOR7, N(R8)2) or XA; X = a bond or 1-10C alkyl; A = 3-10C cycloalkyl (opt. substd. by ≤ 3 R6 gps.); R6 = 1-6C alkyl (opt. substd. by 1-6 halo or NHCOR7); R7 = 1-6C alkyl; R8 = H or 1-3C alkyl; R2-R5 = H, 1-5C alkyl, Li, Na, K or Si(R) (sic); R = 1-5C alkyl; with the following cpds. excluded: (a) R1 = Me and R2-R5 = Me, Et, Pr, i-Pr, Bu or i-Bu; (b) R1 = Me or Et, R2, R3 =Et and R4, R5=Me; (c) R1 = Et and R2-R5=Et, Pr, i-Pr, Bu or i-Bu; (d) R1 = i-Pr, R2, R3 = i-Pr and R4, R5 = Me; (e) R1 = Bu and R2-R5 = Et, i-Pr or Bu; (f) R1 = i-Bu or 1-tert. butyl-1,1'-dimethyl propyl and R2-R5=Et; (g) R1 = pentyl and R2-R5 = Et, Pr or Bu; (h) R1 = dodecyl and R2-R = Bu; Het = opt. partly or completely unsatd. 5 or 6 membered monocyclic or 8-10 membered bicyclic ring contg. 1-3 heteroatoms (N, O or S), pref. piperidinyl, pyrrolidinyl, piperazinyl, pyridinyl, morpholinyl, imidazolyl or pyrazolyl.