Intramolecular nucleophilic displacement compound and use in pho

Details Intramolecular nucleophilic displacement compound and use in pho Intramolecular nucleophilic displacement compound and use in pho

1988-06-02

1990-03-27

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430566, 430598, 430601, 430955, 430957, 430958, 430959, G03C 102, G03C 106, G03C 726

Patent

active

049120280

ABSTRACT:
Intramolecular nucleophilic displacement compound or a precursor thereof wherefrom during photographic processing a photographically useful group can be split off, said intramolecular nucleophilic displacement compound or precursor thereof corresponding to the following general structure (I): ##STR1## wherein Nu.sup.1 represents a nucelophilic group e.g. HO, H.sub.2 N or Hs, or a precursor of such nucleophilic group e.g. an oxidized nucleophilic group e.g. O.dbd. or HN.dbd., or RO wherein R is an alkyl, an acyl, an aryl or a trialkylsilanyl group, which groups may be substituted, the said nucleophilic group or precursor thereof being located in adjacent position to C(R.sup.1 R.sup.2) so as to make possible elimination of PUG through a nucleophilic displacement reaction;

REFERENCES:
patent: 4371604 (1983-02-01), Van de Sande et al.
patent: 4537853 (1985-08-01), Van de Sande et al.
patent: 4559290 (1985-12-01), Sawada et al.
patent: 4639408 (1987-01-01), Kitaguchi et al.
patent: 4668615 (1987-05-01), Kawata et al.
patent: 4731321 (1988-03-01), Sato et al.
patent: 4734353 (1988-03-01), Ono et al.

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