Patent ID: 6531632
Filing Date: 2003-03-11
Classification: C07C,C07D

Abstract:
Bis-o-aminophenols and o-aminophenolcarboxylic acids represented by respective structures: whereineach of A1 to A7 is a univalent ring substituent independently selected from the group consisting of H, F, CH3, CF3, OCH3 and OCF3; T is a bivalent polycyclic linking member selected from the group consisting of: wherein independently at each occurrence Q is selected from the group consisting of Câ€”H, Câ€”F, Câ€”CH3, Câ€”CF3, Câ€”OCH3, Câ€”OCF3 or N, provided that at least one Q signifies N and a maximum of two N atoms may be present in a single ring wherein each of A8 to A21 is a univalent ring substituent independently selected from the group consisting of H, F, CH3, CF3, OCH3 and OCF3; wherein X signifies CH2, CF2, C(CH3)2, C(CF3)2, C(OCH3)2, C(OCF3)2, C(CH3) (C6H5), C(6H5)2, O, Nâ€”H, Nâ€”CH3 or Nâ€”C6H5; â€ƒwherein independently at each occurrence Qâ€² is selected from the group consisting of Câ€”H, Câ€”F, Câ€”CH3, Câ€”CF3, Câ€”OCH3, Câ€”OCF3 or N, and M is a bivalent linking member selected from the group consisting of