Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1987-10-15
1989-01-17
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
540121, 540145, C07D48722
Patent
active
047988916
ABSTRACT:
Compounds of the general formula I ##STR1## where the symbols n independently of one another are each 0, 1 or 2, m is 0 or 1, A.sup..crclbar. is an anion, the radicals X independently of one another are each hydrogen, methyl or ethyl and the radicals R independently of one another are each hydrogen, unsubstituted or substituted alkyl, cycloalkyl or aryl, or two adjacent radicals R may furthermore be alkylene or, together with the carbon atoms to which they are bonded, may form an unsaturated or aromatic ring, with the proviso that one or more symbols n are not 0.
REFERENCES:
R. A. Berger and Eugene LeGoff; "The Synthesis of A 22.pi.-Electron Tetrapyrrolic Macrocycle, [1,3,1,3,] Platyrin"; Pergamon Press Ltd. 1978; pp. 4225-4228 Tetrahedron Letters, No. 44.
E. LeGoff, and O. G. Weaver; "Synthesis of a [1,5,1,5,] Platyrin, a 26.pi.-Electron Tetrapyrrolic Annulene"; J. Org. Chem. 1987, 52, 710-711.
Franck Burchard
Gosmann Martin
BASF - Aktiengesellschaft
Raymond Richard L.
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