Azaporphyrin derivatives

Details Azaporphyrin derivatives Azaporphyrin derivatives

1991-08-23

1992-06-23

Ford, John M.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

548455, 548465, 548505, 548506, 548518, C07D48722

Patent

active

051244497

ABSTRACT:
Azaporphyrin derivatives of the formula ##STR1## where R.sup.1 and R.sup.2 are each, independently of one another, hydrogen, unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or unsubstituted or substituted phenyl, or two adjacent R.sup.1 radicals form, together with the carbon atoms to which they are bonded, an unsaturated or aromatic 5- to 7-membered carbocyclic ring,

REFERENCES:
patent: 4657554 (1987-04-01), Reinert et al.
patent: 4798891 (1989-01-01), Franck et al.
Ann. Chem., 1976, pp. 1637-1658, J. Engel, et al., "Synthese Neuer Biladien-a,c-Derivate und Ihre Cyclisierung zu Uroporphyrin-III-, 12-Descarboxyuroporhyrin-III- und Phyriaporphyrin-III-Methylestern.sup.1 ".
The Journal of Organic Chemistry, vol. 41, No. 17, 1976, pp. 2826-2835, J. B. Paine III.sup.1, et al., "Pyrrole Chemistry. The Cyanovinyl Aldehyde Protecting Groups".

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