Porphyrins and their synthesis from dipyrromethanes and aldehydes
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United States of America Patent
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Jun 2, 1998
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N/A
app pub date -
Jun 25, 1996
filing date -
Jan 2, 1987
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Expired
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Abstract
The invention comprises new compositions of matter, which are iron, manganese, cobalt or ruthenium complexes of porphyrins having hydrogen, haloalkyl or haloaryl groups in meso positions, two of the opposed meso atoms or groups being hydrogen or haloaryl, and two of the opposed meso atoms or groups being hydrogen or haloalkyl, but not all four of the meso atoms or groups being hydrogen. The invention also comprises new compositions of matter in which all four of the meso positions are substituted with haloalkyl groups and the beta positions are substituted with halogen atoms. A new method of synthesizing porphyrinogens is also provided.
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