Bicyclic reductone developing agents

Details Bicyclic reductone developing agents Bicyclic reductone developing agents

1979-02-05

1982-12-21

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

2604045, 260545R, 430218, 430234, 430239, 430249, 430419, 430442, 430456, 450484, 546186, 560107, 560118, 560252, 562500, 564152, 564153, 564217, 564460, C07C 9707, C07C10206, C07C10344, C07C10346, C07C11900, C07C11906

Patent

active

043650856

ABSTRACT:
The present invention relates to novel bicyclic compounds useful as photographic silver halide developing agents, to the preparation of these compounds and to photographic products, processes and compositions employing the same. The subject compounds may be represented by the formula ##STR1## wherein R.sub.1 and R.sub.2, the same or different, each represents hydrogen, a hydrocarbon moiety, preferably an alkyl group, --COOH or --COOR.sup.1 wherein R.sup.1 is an alkyl group; R.sub.3 and R.sub.4, the same or different, each represent hydrogen or an alkyl group, R.sub.5 represents hydrogen or --COR.sup.2 wherein R.sup.2 is an alkyl group; R.sub.6 represents hydrogen when R.sub.5 is hydrogen and represents hydrogen or --OCOR.sup.3 wherein R.sup.3 is an alkyl group the same as R.sup.2 when R.sub.5 represents --COR.sup.2 ; X represents --OH, --NH.sub.2 or --NHCOR.sup.4 wherein R.sup.4 represents an alkyl group the same as R.sup.2 ; Y represents --OH or --OCOR.sup.5 wherein R.sup.5 represents an alkyl group the same as R.sup.2 ; and Z represents .dbd.O or .dbd.NCOR.sup.6 wherein R.sup.6 is an alkyl group the same as R.sup.2.

REFERENCES:
patent: 2691589 (1954-10-01), Henn et al.
patent: 3615440 (1971-10-01), Bloom et al.
patent: 3664835 (1972-05-01), Youngquist
patent: 3672896 (1972-06-01), Gabrielsen et al.
patent: 3690872 (1972-09-01), Gabrielsen et al.
patent: 3816137 (1974-06-01), Gabrielsen et al.
Meisenheimer, Justus Liebigs Ann. Chem., 323, 205, 1902.
Kohashi et al., Chem. Pharm. Bull. (Tokyo), 18, 2151, 1970; 19, 213, 1971.
Kabeya et al., Chem. Pharm. B (Tokyo) 19,645 (1971).
Straus et al., J. Org. Chem., 35, 383 (1970); 36, 856 (1971).

Affiliated with

Also associated with

Rating

Bicyclic reductone developing agents does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bicyclic reductone developing agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bicyclic reductone developing agents will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-407136