Benzoquinone compounds

Details Benzoquinone compounds Benzoquinone compounds

C - Chemistry, Metallurgy

07

C

C07C 50/28 (2006.01) C07C 46/00 (2006.01) C07C 50/30 (2006.01) C07C 221/00 (2006.01) C07C 225/28 (2006.01) C07C 225/36 (2006.01) C07C 303/22 (2006.01) C07C 309/53 (2006.01) C07D 295/04 (2006.01) C09B 19/00 (2006.01) C09B 19/02 (2006.01) C07C 309/49 (2006.01)

Patent

CA 2054293

SMC 35998 ABSTRACT Benzoquinone Compounds Compounds of the Formula (5) and processes for their preparation and use, particularly in the manufacture of unsymmetrical triphenodioxazine dyes: Image (5) wherein: Y in H, alkyl, substituted alkyl, alkoxy, C1 or Br; R is a group of Formula (3) Image (3) R1 and R2 are each independently alkyl, or R1 and R2 together with the carbon atom to which they are attached form an optionally substituted 4, 5 or 6 membered alicyclic or heterocyclic ring; R3 is H; Z is C1, Br or A-NH; and A is H or the residue of a primary amine.

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