Synthesis of phosphono-substituted porphyrin compounds for...

Details Synthesis of phosphono-substituted porphyrin compounds for... Synthesis of phosphono-substituted porphyrin compounds for...

2007-11-09

2009-06-30

Shameem, Golam M. M. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S413000

Reexamination Certificate

active

07553977

ABSTRACT:
A method of making a phosphono-substituted dipyrromethane comprises reacting an aldehyde or acetal having at least one phosphono group substituted thereon with pyrrole to produce a phosphono-substituted dipyrromethane; and wherein the phosphono is selected from the group consisting of dialkyl phosphono, diaryl phosphono, and dialkylaryl phosphono. Additional methods, intermediates and products are also described.

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Rao et al.; “Rational Syntheses of Porphyrins Bearing up to Four Different Meso Substituents”J. Org. Chem.2000 65, 7323-7344 (2000).
Lindsey et al., “Investigation of the Synthesis of Ortho-Substituted Tetraphenylphorphyrins,” Apr. 21, 1988, J. Org. Chem., vol. 54, pp. 828,836, especially p. 833.
Kim et al., “Curing of Epoxides with O,O-Di-t-butyl Phenylphosphonate as Thermally Latent Initiator,” Sep. 29, 2000, J. Applied Polymer Science, vol. 81, pp. 2347-2351, especially p. 2349.

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