Heterocyclic compounds and porphyrin compounds obtainable theref

Details Heterocyclic compounds and porphyrin compounds obtainable theref Heterocyclic compounds and porphyrin compounds obtainable theref

1992-01-17

1992-11-10

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548471, 524 88, C07D48722, C07D20944, C07D20962, G03G 506

Patent

active

051625180

ABSTRACT:
Porphyrins of the formula ##STR1## in which the substituents have the meaning given in the description are obtained by heating compounds of the formula ##STR2## if appropriate in the presence of compounds of the formula ##STR3## The porphyrins are used as pigments.

REFERENCES:
patent: 3657272 (1972-04-01), Brach et al.
patent: 3723421 (1973-03-01), Diana
patent: 4022770 (1977-05-01), L'Eplattenier
patent: 4051099 (1977-09-01), von der Crone
Journal of the Chemical Society, 1939, pp. 1809-1820, The Chemical Society, Letchworth, GB P.A. Barrett et al.
"Justus Liebigs Annalen Der Chemie" vol. 529, 1937, pp. 205-211 Weinheim, DE J. H. Helberger.
Journal of the Chemical Society, 1940, pp. 1079-1092, The Chemical Society, Letchword, GB: P. A. Barrett et al.

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