Benzoquinone compounds

Details Benzoquinone compounds Benzoquinone compounds

1991-10-22

1994-02-01

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Cyclohexadiene having atoms double bonded directly at the 1-...

552307, 540200, 540202, 548240, 548250, 5483001, 5483561, 548400, 546 1, 546 84, 546100, 546122, 546123, 546124, 546125, 546146, 546215, 549 1, 549 13, 549 14, 549 20, 549 30, 549 83, 549 88, 549 89, 549356, 549357, 549429, 549430, 549510, 544 1, 544 2, 544 3, 544 7, 544 53, 544 63, 544 66, 544 88, 544 98, 544179, 544180, 544224, 544242, 544336, C07C 5002, C07C22528, C07D20502, C07D23702

Patent

active

052833550

ABSTRACT:
Compounds of the Formula (5) and processes for their preparation and use, particularly in the manufacture of unsymmetrical triphenodioxazine dyes: ##STR1## wherein: Y is H, alkyl, substituted alkyl, alkoxy, Cl or Br;

REFERENCES:
patent: 2229099 (1941-01-01), Langbein
patent: 2267741 (1941-12-01), Langbein
patent: 2288198 (1942-06-01), Langbein
patent: 4519948 (1985-05-01), Hsu et al.
Chemical Abstract, vol. 91, 1979, Abstract No. 175149M, p. 645.

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